Kolkata
+919029362692

'combination'

Items tagged with 'combination'

product image
U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered solutions designed to protect boiler, superheater, and heat exchanger tubes from erosion, scaling, slag buildup, and high-temperature corrosion. These shields are widely used in systems that operate under extreme thermal and mechanical stress, particularly in industries such as power generation, petrochemical processing, and waste heat recovery. The half-round design ensures easy and secure installation over straight or curved tube surfaces, helping to extend service life and reduce operational downtime. SS 304 U Type Inner Half Round Tube Shield The SS 304 U Type Inner Half Round Tube Shield is manufactured from austenitic stainless steel grade 304, which contains chromium and nickel as its primary alloying elements. This grade offers a combination of good corrosion resistance, oxidation resistance, and mechanical strength. The inner U-type configuration is specifically designed to cover the inner arc of U-bend tubes in boilers and heat exchangers, an area that typically experiences accelerated wear due to flue gas turbulence, scaling, and heat stress. • Inner U Type Half Round Tube Shield – Shields the internal curvature of U-bend tubes from corrosion, turbulent flow-induced erosion, and thermal scaling. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SS 304 U Type Inner Half Round Tube Shields, delivering durable and cost-effective shielding for critical industrial applications. Chemical Composition of SS 304 – Austenitic Stainless Steel • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 18.0 – 20.0% • Nickel (Ni): 8.0 – 11.0% • Iron (Fe): Balance Applications: Ideally suited for clean to mildly corrosive environments, including thermal and chemical plants where moderate oxidation and corrosion resistance is needed under elevated temperatures. Uses • Inner surface protection for U-bend tubes in superheaters and reheaters exposed to turbulent gas flow • Applied in return bends of waste heat recovery boilers (WHRBs) and HRSGs • Installed in curved sections of heat exchangers, steam reformers, and process heaters • Suitable for flue gas ducts, evaporators, and condensers with moderate thermal cycling • Used in chemical and refining systems where steam and mildly acidic gases are present Features • Good corrosion and oxidation resistance – Suitable for a broad range of service conditions • Inner arc coverage – Protects the inner bend area from scaling and erosion caused by turbulent flue gases • Durable performance – Offers dependable protection at temperatures up to 870°C • Precise fit – Fabricated to match the exact bend radius and tube dimensions for a secure installation • Easy mounting – Can be installed using clamps, stainless steel banding, or tack welding • Cost-effective solution – Provides a balance of performance, longevity, and affordability for standard industrial applications Applications • thermal power plants – Used in inner U-bends of superheaters and economizers to minimize scaling and erosion • petrochemical industries – Shields inside tube curves exposed to combustion gases and steam • waste heat systems – Protects internal arcs of curved tubes in WHRBs and HRSGs from slag and heat damage • chemical and refinery plants – Provides resistance against moderate levels of corrosion in return bends • industrial heating systems – Ensures extended tube life in furnaces, heat exchangers, and flue gas systems Conclusion The SS 304 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a practical and reliable solution for protecting the inner arc of U-bend tubes in moderate to high-temperature industrial environments. With its balance of corrosion resistance, mechanical durability, and ease of installation, this shield is ideal for a wide range of power and process industry applications. For technical consultation, custom sizes, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Outer Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-crafted protective components used to shield boiler and heat exchanger tubes from high-temperature oxidation, slag accumulation, erosion, and thermal fatigue. These shields are essential in industrial systems where tubes are exposed to flue gases, particulate flow, and repeated heating cycles. Their half-round design enables efficient and secure installation over straight or curved tube sections, significantly extending tube life and reducing maintenance frequency. 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield The 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield is manufactured from a high-temperature resistant austenitic alloy containing 25% chromium, 20% nickel, and 2% silicon. This combination offers excellent oxidation resistance, strong thermal stability, and enhanced anti-scaling performance at elevated temperatures. Designed specifically to cover the outer arc of U-bend tubes, this shield protects surfaces most exposed to hot gases, flame impingement, and corrosive particles in demanding thermal environments. • Outer U Type Half Round Tube Shield – Protects the external arc of U-bend tubes from direct exposure to slag, high-velocity flue gas, and oxidizing atmospheres. Ladhani Metal Corporation is a reputed manufacturer, supplier, and exporter of 1Cr25Ni20Si2 U Type Outer Half Round Tube Shields, offering durable and heat-resistant solutions for thermal, petrochemical, and metallurgical applications. Chemical Composition of 1Cr25Ni20Si2 – Austenitic Heat-Resistant Alloy • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.50 – 2.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Best suited for environments requiring resistance to oxidation, thermal cycling, and high-temperature corrosion, especially in furnaces and exhaust systems. Uses • Outer arc protection of U-bend tubes in reheaters and superheaters exposed to slag, flame, and flue gas in power plants • Shielding external curves of return bends in waste heat recovery units (WHRBs) and HRSGs • Applied in radiant coils and heat exchanger bends operating in high-temperature industrial furnaces • Suitable for petrochemical processing units, steam reformers, and chemical heaters handling oxidizing or carburizing gases • Ideal for high-heat metallurgical and cement kiln systems requiring thermal fatigue and scale resistance Features • Excellent high-temperature oxidation resistance – High chromium and silicon content forms a stable protective scale layer • Enhanced anti-scaling performance – Withstands prolonged exposure to oxidizing environments up to 1150°C • Outer bend protection – Shields the most exposed section of U-bend tubes from erosion, slag, and thermal impact • Precision fitment – Custom-made to match tube radius and diameter for secure, rattle-free installation • Easy to install – Secured by clamps, stainless steel bands, or tack welding without disassembling the system • Long operational lifespan – Reduces tube wear and replacement frequency in aggressive thermal service conditions Applications • power generation – Used on U-bend outer arcs in superheaters and reheaters for oxidation and slag protection • petrochemical plants – Shields tube bends in reformers and high-temperature heaters exposed to process gas erosion • waste heat recovery boilers – Installed in WHRBs and HRSGs operating under fluctuating temperatures and gas flow • cement and metallurgy industries – Protects curved tubes and heat exchanger bends exposed to high-temperature dust and gas streams • furnace and incineration systems – Applied to outer arcs in radiant coils subjected to direct flame and extreme heat Conclusion The 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield by Ladhani Metal Corporation—manufacturer, supplier, and exporter—is a high-performance shielding component designed for the most demanding high-temperature industrial environments. With its superior oxidation resistance, scale protection, and thermal fatigue strength, it provides lasting protection to U-bend tubes in boilers, furnaces, and heat exchangers across the power, petrochemical, and metallurgical sectors. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are high-performance components designed to protect heat exchanger and boiler tubes from thermal damage, erosion, and high-temperature corrosion. These shields play a vital role in extending tube life and ensuring stable operation in demanding industrial environments such as petrochemical plants, power generation facilities, and high-temperature furnaces. 1Cr25Ni20Si2 Half Round Tube Shield The 1Cr25Ni20Si2 Half Round Tube Shield is a semi-cylindrical tube protector made from a heat-resistant alloy consisting of 25% chromium, 20% nickel, and 2% silicon. This alloy is known for its outstanding resistance to oxidation, carburization, and scaling at elevated temperatures, often exceeding 1100°C. The presence of silicon further enhances its oxidation resistance by forming a stable protective film on the surface. These shields are precision-formed in a half-round profile for easy clamping or welding over the tube surface, delivering a tight and durable fit. Chemical Composition of 1Cr25Ni20Si2 – Heat-Resistant ss Austenitic Alloy • Carbon (C): ≤ 0.20% • Silicon (Si): 1.50 – 2.50% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Uses • Superheater and Reheater Tube Protection – Shields tubes from oxidation and metal dusting under high steam and flue gas temperatures in utility boilers. • Furnace Tube Protection – Prevents damage from flame impingement, scaling, and spalling in radiant and convection furnace zones. • Reforming and Cracking Units – Used in petrochemical plants to protect process tubes from carburization and oxidation during prolonged high-temperature service. • Air Preheaters and Heat Recovery Systems – Guards tubes from thermal fatigue and corrosive ash erosion in waste heat systems. • Gas-Fired and Biomass Boilers – Applied to protect critical tube sections exposed to high-velocity combustion gases and corrosive deposits. Features • Superior Oxidation Resistance – The combination of chromium, nickel, and silicon provides long-term stability in oxidizing environments above 1000°C. • Excellent Carburization and Sulfidation Resistance – Performs well in carbon-rich and sulfur-laden atmospheres, making it ideal for petrochemical service. • High Mechanical Strength – Retains structural integrity under thermal cycling and mechanical load at elevated service temperatures. • Precision Half-Round Design – Ensures easy fitment over existing tubes with minimal disruption to equipment layout or flow design. • Enhanced Surface Protection – Silicon contributes to the formation of a dense oxide scale, minimizing material loss due to scaling. • Custom Dimensions – Available in a range of thicknesses, diameters, and lengths with optional surface treatments like bright annealing and passivation. Applications • Thermal Power Plants – Used in critical boiler zones such as superheaters and economizers where high-temperature oxidation resistance is required. • Petrochemical and Refining Industries – Deployed in reformers, ethylene crackers, and process gas heaters where tubes face carburizing and oxidizing atmospheres. • Metallurgical Furnaces – Protects tubes and gas paths in steel, non-ferrous, and heat treatment furnaces operating under extreme thermal conditions. • Waste-to-Energy Systems – Shields boiler tubes and superheaters from corrosive ash and high flue gas temperatures in incinerators and biomass units. • Cement and Glass Plants – Guards heat recovery and exhaust handling tubes from scaling and thermal wear in rotary kilns and regenerative chambers. Conclusion The 1Cr25Ni20Si2 Half Round Tube Shield by Ladhani Metal Corporation is engineered for high-performance protection in environments where conventional stainless steels may fail. Its exceptional resistance to oxidation, carburization, and high-temperature scaling makes it a preferred solution for boiler, furnace, and heat exchanger tube protection across several heavy industries. With customizable sizes, expert fabrication, and material certifications, Ladhani Metal Corporation delivers reliable and long-lasting shielding components designed to enhance system integrity, reduce maintenance costs, and ensure uninterrupted operation under extreme thermal stress. For specification or to request a quotation, please contact Ladhani Metal Corporation.

Send Message
product image
half round tube shields

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are high-precision protective elements designed to safeguard boiler and heat exchanger tubes against mechanical wear, erosion, and high-temperature gas attack. These shields are essential in industrial systems where exposure to thermal cycling, high-velocity gases, and abrasive particles can rapidly degrade unprotected tubing. SS 410 Half Round Tube Shield The SS 410 Half Round Tube Shield is a semi-cylindrical tube protector manufactured using stainless steel grade 410. As a martensitic stainless steel, SS 410 offers a unique combination of good corrosion resistance, high mechanical strength, and excellent wear resistance. It is particularly suitable for environments with moderate corrosion exposure and significant mechanical stress. The half-round shape is precisely formed to ensure a tight fit over exposed tubes, providing a durable and reliable barrier that extends tube service life in industrial boilers, heat exchangers, and process equipment. Chemical Composition of SS 410 – Martensitic Stainless Steel • Carbon (C): 0.08 – 0.15% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 11.5 – 13.5% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Uses • Boiler Tube Protection – Provides abrasion and erosion resistance in utility and industrial boilers where tubes face harsh combustion environments. • Heat Exchanger Shielding – Reduces mechanical wear caused by high flow velocities and particulate impact in condensers and evaporators. • Furnace Tube Safeguarding – Protects radiant and convection tubes from scale buildup and flame impingement in high-temperature furnace applications. • Steam and Process Line Protection – Extends the life of piping systems in moderately corrosive environments with mechanical stress. • Air Preheater and Economizer Units – Shields tubes from dust-laden gas erosion in flue gas recovery systems. Features • Excellent Wear Resistance – High hardness and toughness of SS 410 make it ideal for shielding tubes exposed to abrasive flows or soot-blowing operations. • Good Oxidation Resistance – Performs reliably in mildly corrosive and oxidizing environments up to 650°C (1200°F). • High Strength – Provides superior mechanical durability under vibration, pressure, and impact loading conditions. • Easy to Fabricate and Install – Half-round design allows for quick field installation and secure clamping or welding without altering system layout. • Economical Option – Offers a cost-effective tube protection solution where severe corrosion resistance is not critical. • Customization – Available in different thicknesses, diameters, lengths, and surface finishes (pickled or bright annealed). Applications • Thermal Power Plants – Used in boiler and superheater tubes to resist wear from flue gas erosion and thermal fluctuations. • Cement and Steel Industries – Protects tubes in high-wear areas exposed to dust, ash, and scale in kilns, coolers, and furnaces. • Oil Refineries – Applied in areas where high strength is required along with moderate corrosion resistance, such as preheaters or tube bundles. • Chemical Plants – Suitable for process tubes in mildly corrosive environments with strong flow dynamics or steam load cycling. • Pulp and Paper Industry – Shields tubes in recovery and power boilers exposed to high-pressure steam and abrasive residues. • Biomass and Waste-to-Energy Plants – Guards against erosion from fly ash and combustion residues in environmentally demanding systems. Conclusion The SS 410 Half Round Tube Shield from Ladhani Metal Corporation is a robust and reliable solution for protecting critical tube systems subjected to mechanical wear and thermal stress. Its excellent hardness and strength make it especially effective in applications involving high-velocity gas flow, abrasive particles, and fluctuating temperatures. While not suited for highly corrosive environments, SS 410 excels in systems where durability, cost-efficiency, and resistance to erosion are key priorities. With customizable sizing and expert engineering support, Ladhani Metal Corporation ensures dependable, application-specific shielding solutions for a wide range of industries. For technical specifications, fabrication assistance, or pricing inquiries, please contact Ladhani Metal Corporation.

Send Message
product image
Super Duplex Flanges

DIN 2633 super duplex steel flanges PN 16 are high-performance weld neck flanges manufactured in accordance with the DIN 2633 standard. Engineered for medium-pressure piping systems with a pressure rating of up to 16 bar (232 psi), these flanges are made from super duplex stainless steels, which offer a superior combination of high mechanical strength and outstanding corrosion resistance. They are specifically designed for critical applications in aggressive environments where standard stainless or duplex steels may not provide sufficient durability. Ladhani Metal Corporation is a globally recognized manufacturer and supplier of super duplex steel flanges, known for precision manufacturing, strict quality control, and compliance with international material and dimensional standards. Each flange is tested for performance, safety, and resistance to harsh operating conditions. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for systems requiring secure, corrosion-resistant, and high-strength connections under moderate pressure. Flange Type: • Weld Neck Flanges Featuring a long tapered hub, these flanges offer optimal stress distribution, reduce turbulence at the joint, and ensure reliable pipe alignment in high-stress environments. • Flat Face (FF) Flanges Designed for uniform gasket compression, particularly effective when used with soft gaskets or cast iron mating components. Super Duplex Steel Grades and Full Composition: Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.24 – 0.32% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.8% • Carbon (C): ≤ 0.03% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.02% • Iron (Fe): Balance Applications: Ideal for offshore platforms, subsea systems, desalination plants, chemical process systems, and high-chloride environments requiring superior corrosion and pitting resistance. Super Duplex S32760 • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 4.0% • Tungsten (W): 0.5 – 1.0% • Copper (Cu): 0.5 – 1.0% • Nitrogen (N): 0.2 – 0.3% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Commonly used in seawater systems, heat exchangers, fire-fighting systems, and oil & gas equipment due to excellent resistance to erosion, stress corrosion cracking, and fatigue. Applications of DIN 2633 Super Duplex Steel Flanges PN 16: • Offshore Oil and Gas Platforms Resists chloride-induced corrosion and high mechanical loads in topside and subsea installations. • Desalination and Marine Systems Performs well in high-salinity environments where other alloys may suffer from pitting or crevice corrosion. • Chemical and Petrochemical Plants Suitable for handling strong acids, caustic solutions, and oxidizing environments at elevated temperatures and pressures. • Fire Protection and Water Injection Systems Ensures reliability and corrosion resistance in safety-critical and high-pressure fluid delivery systems. • Pulp and Paper Industry Used in bleach plant systems and recovery boilers where exposure to corrosive agents is routine. Key Features: • Manufactured in compliance with DIN 2633 standards • PN 16 pressure rating for medium-pressure service • Weld neck design ensures secure, vibration-resistant connections • Available in high-strength super duplex grades S32750 and S32760 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength and fatigue resistance • Custom sizes, coatings, and pressure classes available upon request Conclusion: DIN 2633 super duplex steel flanges PN 16 from Ladhani Metal Corporation are designed to meet the most demanding operational requirements in highly corrosive and high-pressure environments. With unmatched strength and corrosion resistance, these flanges are ideal for offshore, marine, chemical, and industrial applications. For technical specifications, custom designs, or pricing information, contact Ladhani Metal Corporation today.

Send Message
product image
Duplex Flanges

DIN 2633 duplex steel flanges PN 16 are precision-manufactured weld neck flanges designed according to the DIN 2633 standard, ideal for medium-pressure piping systems operating up to 16 bar (232 psi). These flanges are crafted from duplex stainless steels that combine the benefits of austenitic and ferritic microstructures, offering excellent mechanical strength, superior resistance to stress corrosion cracking, and enhanced durability in aggressive chemical and chloride-containing environments. They are ideal for applications where both corrosion resistance and high strength are essential. Ladhani Metal Corporation is a leading global manufacturer and supplier of duplex steel flanges, recognized for high-quality production, dimensional accuracy, and strict compliance with international standards. All flanges undergo rigorous inspection and testing to ensure reliable performance in challenging industrial conditions. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for medium-pressure pipelines requiring corrosion resistance and increased mechanical integrity. Flange Type: • Weld Neck Flanges These flanges feature a long tapered hub for improved flow characteristics and reduced mechanical stress at the weld area, ensuring stable and secure connections. • Flat Face (FF) Flanges Designed to provide a consistent sealing surface, especially effective when used with soft gaskets or when connecting to cast components. Duplex Steel Grades and Full Composition: Duplex 2205 (UNS S31803/S32205) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.20% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% • Phosphorus (P): ≤ 0.03% • Sulfur (S): ≤ 0.02% • Iron (Fe): Balance Applications: Widely used in desalination plants, chemical process vessels, marine environments, and pulp and paper industries due to high strength and resistance to localized corrosion. Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.24 – 0.32% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.8% • Carbon (C): ≤ 0.03% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.02% • Iron (Fe): Balance Applications: Preferred in highly corrosive offshore, oil and gas, chemical, and high-chloride environments where superior strength and corrosion resistance are essential. Applications of DIN 2633 Duplex Steel Flanges PN 16: • Chemical and Petrochemical Plants Provides strong and corrosion-resistant connections for chemical reactors, storage tanks, and acid-handling systems. • Marine and Offshore Engineering Suitable for submerged systems, seawater cooling, and ballast water piping due to excellent resistance to chloride-induced corrosion. • Pulp and Paper Industry Performs reliably in bleaching and chemical recovery processes where both chemical resistance and strength are required. • Desalination and Water Treatment Ideal for high-salinity water systems and reverse osmosis pipelines requiring durable, corrosion-resistant components. • Oil and Gas Refineries Used in pipelines, pressure vessels, and heat exchangers subjected to sour gas and high-pressure operating environments. Key Features: • Manufactured to DIN 2633 standard • PN 16 pressure class for medium-pressure service • Weld neck configuration supports vibration resistance and proper alignment • Available in Duplex 2205 and Super Duplex 2507 grades • High resistance to stress corrosion cracking, pitting, and crevice corrosion • Excellent mechanical strength and fatigue resistance • Custom sizes, finishes, and specifications available upon request Conclusion: DIN 2633 duplex steel flanges PN 16 from Ladhani Metal Corporation offer an optimal combination of strength, corrosion resistance, and reliability for use in harsh industrial conditions. With high-performance duplex and super duplex materials, these flanges are the preferred choice for applications in chemical processing, offshore platforms, and desalination plants. For detailed technical support, customized configurations, or pricing, contact Ladhani Metal Corporation today.

Send Message
product image
Duplex Flanges

DIN 2630 Duplex flanges PN 2.5 are high-performance weld neck flanges manufactured to DIN 2630 standards, specifically designed for low-pressure applications up to 2.5 bar (36.25 psi). These flanges are made from Duplex stainless steels such as Duplex 2205 and Super Duplex 2507, which offer a balanced combination of high strength and excellent resistance to corrosion, stress corrosion cracking, and pitting. Engineered for demanding environments, these flanges provide long-lasting reliability in low-pressure systems exposed to aggressive chemicals and high temperatures. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Duplex flanges, known for consistent quality and technical expertise. Our DIN 2630 PN 2.5 Duplex weld neck flanges are widely used in offshore, chemical, petrochemical, and marine industries where both mechanical performance and corrosion resistance are essential. Each flange undergoes rigorous quality control to ensure conformance with international standards and application-specific requirements. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Designed for low-pressure operations requiring enhanced strength and superior corrosion resistance. Flange Type: • Weld Neck Flanges Designed with a tapered hub to evenly distribute stress and minimize erosion and turbulence in the flow path, making them suitable for high-integrity piping connections. • Flat Face (FF) Flanges Flat face flanges ensure even gasket compression and are ideal for use with cast equipment or non-metallic gasket materials in low-pressure systems. Duplex Grades and Full Composition: Duplex 2205 (UNS S32205 / S31803) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.20% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Combines high strength with excellent resistance to pitting and crevice corrosion. Common in chemical process plants, desalination systems, and marine structures. Applications of DIN 2630 Duplex Flanges PN 2.5: • Offshore and Marine Engineering Used in piping systems exposed to seawater and harsh marine environments where strength and corrosion resistance are vital. • Chemical and Petrochemical Industry Ideal for handling corrosive process fluids, acids, and chloride-rich environments at low pressure. • Desalination Plants Used in brine systems and piping exposed to high chloride levels and fluctuating temperatures. • Oil and Gas Industry Applied in low-pressure sections of oil rigs, refineries, and gas processing systems where reliability and resistance to sulfide stress cracking are critical. Key Features: • Compliant with DIN 2630 specifications • PN 2.5 rating suitable for low-pressure service • Weld neck design provides high-integrity and stress-distributed connections • Flat face option for soft gasket compatibility and uniform sealing • Manufactured from Duplex and Super Duplex stainless steels for enhanced performance • High strength-to-weight ratio and excellent corrosion resistance • Custom sizes, pressure classes, and surface finishes available upon request Conclusion: DIN 2630 Duplex Flanges PN 2.5 from Ladhani Metal Corporation are engineered for performance in corrosive, high-stress environments where low-pressure service demands superior materials. Combining the strength and corrosion resistance of Duplex and Super Duplex alloys, these flanges ensure long-term durability and safety across a variety of critical applications. Contact Ladhani Metal Corporation for detailed specifications, customization options, or pricing information.

Send Message
product image
Duplex Flanges

DIN 2627 Duplex Steel flanges PN 400 are high-integrity blind flanges engineered for ultra-high-pressure systems where enhanced corrosion resistance, mechanical strength, and stress corrosion cracking resistance are crucial. These flanges are manufactured in compliance with the DIN 2627 standard and are used to seal the ends of piping systems operating under extreme conditions involving high pressure, temperature fluctuations, and aggressive media such as chlorides or acidic compounds. The PN 400 rating (400 bar / 5800 psi) ensures these flanges are suitable for the most demanding environments. Made from Duplex and Super Duplex stainless steels—such as Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750)—they offer a unique combination of austenitic and ferritic microstructures, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for use in high-pressure systems where superior strength and corrosion resistance are required. Flange Type: • Blind Flanges Flat, solid flanges without a bore, used to seal off pipeline ends or nozzles for isolation, pressure testing, or future expansion. • Flat Face (FF) Flanges Feature a flat sealing surface suitable for use with full-face gaskets and flat-faced mating components to ensure uniform sealing under high-pressure conditions. Duplex Steel Grades and Composition: Duplex 2205 (UNS S31803 / S32205) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.2% • Iron (Fe): Balance Applications: High strength and excellent resistance to chloride-induced stress corrosion and pitting. Commonly used in chemical tanks, pipelines, and pressure vessels. Applications of DIN 2627 Duplex Steel Flanges PN 400: • Offshore and Subsea Oil & Gas Installations Withstand high pressure, chloride-rich environments, and dynamic loading in risers, manifolds, and subsea pipelines. • Desalination Plants and Seawater Systems Exceptional resistance to chloride-induced corrosion makes them ideal for seawater intake and brine discharge lines. • Chemical and Petrochemical Plants Used in corrosive process lines involving acids, solvents, and high-temperature hydrocarbons. • Pulp and Paper Industry Ideal for chemical recovery systems and chlorine dioxide bleaching where both corrosion and strength are essential. • Heat Exchangers and Pressure Vessels High strength and thermal fatigue resistance under cyclic temperature and pressure changes. • Power Generation and Nuclear Systems Effective in high-pressure steam and cooling systems where corrosion resistance and mechanical integrity are mandatory. Key Features: • Compliant with DIN 2627 specifications • PN 400 pressure rating for ultra-high-pressure applications • Blind flange configuration ensures secure system isolation • Flat face design supports full-face gasket usage for optimal sealing • Available in Duplex 2205 and Super Duplex 2507 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength with good weldability and fatigue resistance • Used across offshore, petrochemical, desalination, and energy sectors • Custom dimensions, materials, and finishes available upon request Conclusion: DIN 2627 Duplex Steel Flanges PN 400 from Ladhani Metal Corporation deliver unmatched reliability and performance in the harshest operating conditions. Whether used in high-pressure offshore pipelines or corrosive chemical systems, these flanges offer long-term sealing, structural integrity, and corrosion resistance. Reach out to Ladhani Metal Corporation for technical assistance, material selection, or customized Duplex flange solutions tailored to your operational demands.

Send Message
product image
Super Duplex Flange

DIN 2573 Super Duplex Flanges PN 6 are high-performance, low-pressure flanges engineered from Super Duplex stainless steels, specifically designed for highly corrosive and mechanically demanding environments. These flanges conform to DIN 2573 standards and offer a superior combination of corrosion resistance and tensile strength, making them suitable for critical applications exposed to aggressive chemicals, seawater, and high-pressure fluids. With enhanced resistance to pitting, crevice corrosion, and stress corrosion cracking, Super Duplex flanges are the material of choice for industries requiring durability under extreme service conditions. Ladhani Metal Corporation is a dependable manufacturer and global supplier of Super Duplex flanges, delivering components that meet international quality and performance standards. The DIN 2573 flat flange design ensures ease of installation and reliable sealing in low-pressure systems, even when operating in harsh chemical or marine environments. Pressure Rating: • PN 6 (6 bar / 87 psi): Designed for low-pressure systems where both exceptional corrosion resistance and superior mechanical strength are critical for long-term reliability and safety. Flange Types: • Plate Flanges Flat disc-type flanges used to join piping systems with bolted connections and gasket seals, ensuring tight, leak-free joints in low-pressure operations. • Flat Face (FF) Flanges Provide even load distribution across the sealing surface, ideal for applications involving non-metallic or cast components where flat gaskets are used. • Slip-On Flanges These flanges slip over the pipe and are welded on both the inside and outside, offering simple alignment and reduced fabrication cost for moderate-stress systems. • Custom-Machined Flanges Engineered to specific client requirements, available in a range of Super Duplex grades, with optional face types, dimensions, and surface finishes. Super Duplex Grades and Composition: Super Duplex 2507 (UNS S32750) Composition: • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.24 – 0.32% • Iron (Fe): Balance Applications: Super Duplex 2507 is used in highly corrosive applications requiring high strength and fatigue resistance. Common industries include offshore oil and gas, marine systems, desalination plants, and chemical processing where exposure to chloride-rich and high-pressure environments is prevalent. Super Duplex 32760 (UNS S32760) Composition: • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 4.0% • Tungsten (W): 0.5 – 1.0% • Copper (Cu): 0.5 – 1.0% • Nitrogen (N): 0.2 – 0.3% • Iron (Fe): Balance Applications: This grade is widely used in oil and gas platforms, subsea pipelines, pressure vessels, and pump components, offering excellent corrosion resistance under fluctuating pressures and temperatures, particularly in seawater and acidic environments. Applications of DIN 2573 Super Duplex Flanges: • Offshore and Subsea Engineering: Ideal for pipelines, risers, and manifolds exposed to saltwater, high pressure, and dynamic stresses. • Chemical Processing Plants: Used in systems handling aggressive chemical media like chlorides, sulfides, and acids, where high corrosion resistance is required. • Oil and Gas Industry: Common in wellhead systems, separators, and refinery units where high mechanical strength and resistance to sulfide stress corrosion are essential. • Power Generation: Used in high-pressure steam systems, flue gas scrubbers, and cooling water systems for their strength and corrosion resistance at elevated temperatures. Key Features: • Compliant with DIN 2573 standard for low-pressure flange systems • Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking • Excellent mechanical strength, fatigue resistance, and weldability • Available in Super Duplex 2507, 32760, and other high-alloy grades • Long-lasting performance in aggressive and marine service conditions • Custom sizes, face types, and surface finishes available upon request • Ideal for offshore, oil and gas, power, and chemical process industries Conclusion: DIN 2573 Super Duplex Flanges PN 6 from Ladhani Metal Corporation combine superior corrosion resistance with high mechanical integrity, providing a dependable solution for critical systems operating in aggressive and corrosive environments. Designed in accordance with international standards and backed by expert manufacturing, these flanges offer long-term, leak-free performance in demanding industrial sectors. For customized flange solutions, material selection, or technical assistance, reach out to Ladhani Metal Corporation today. 📞 Contact Ladhani Metal Corporation Website: https://www.ladhanimetal.in/ https://www.ladhanimetal.com/ Email: info@ladhanimetals.com Request a Quote: Custom dimensions, materials, and finishes available upon request.

Send Message

Still searching for
combination?