Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are engineered to protect heat exchanger, boiler, and superheater tubes from erosion, thermal scaling, and high-temperature corrosion. These shields are widely used in power plants, petrochemical systems, and high-temperature industrial equipment where tubes are exposed to direct flame, turbulent gas flow, and particulate matter. Their half-round shape ensures easy installation over curved or straight tube surfaces, providing an effective layer of protection without the need for equipment disassembly. SS 310S U Type Inner Half Round Tube Shield The SS 310S U Type Inner Half Round Tube Shield is made from stainless steel grade 310S, a low-carbon variant of SS 310. It offers excellent resistance to oxidation and high-temperature corrosion while providing improved weldability and reduced risk of sensitization during thermal cycling. This inner U-type shield is specifically designed to cover the inside arc of U-bend tubes, an area commonly affected by accelerated wear due to turbulence, heat concentration, and gas flow deflection. • Inner U Type Half Round Tube Shield – Designed to protect the inner curvature of U-bend tubes from erosion, slag buildup, and oxidation caused by high-velocity gas flow and thermal cycling. Ladhani Metal Corporation is a recognized manufacturer, supplier, and exporter of SS 310S U Type Inner Half Round Tube Shields, providing tailored solutions for heat-exposed systems in demanding industrial environments. Chemical Composition of SS 310S – Low Carbon Austenitic Stainless Steel • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Best suited for oxidizing and high-temperature environments where welded structures are used and resistance to thermal fatigue is critical. Uses • Inner arc shielding for U-bend tubes in high-temperature boilers and superheaters • Installed in the return bends of HRSGs and waste heat recovery boilers (WHRBs) • Used in curved sections of heat exchangers exposed to combustion gases and fluctuating heat • Protects tube bends in petrochemical reactors, reformers, and process furnaces • Ideal for inner arc protection in high-temperature flue gas zones and incinerator coils Features • Excellent high-temperature oxidation resistance – Effective performance in environments up to 1050°C • Low carbon content – Reduces risk of intergranular corrosion after welding or extended service • Focused protection – Shields the inner bend surface most prone to gas turbulence and scaling • Accurate fitment – Custom-fabricated to match specific tube sizes and radii for optimal coverage • Fast installation – Can be securely mounted using stainless steel clamps, bands, or welds • Reliable performance – Enhances the lifespan of U-bend tubes and minimizes maintenance in heat-affected areas Applications • power plants – Used on U-bend inner surfaces in superheaters and reheaters to resist scale and corrosion • petrochemical industry – Shields inside tube arcs in reformers and exchangers exposed to hot process gases • waste heat systems – Protects internal tube bends in WHRBs and HRSGs from slag and thermal fatigue • chemical plants – Provides corrosion protection for return bends in reactors and condensers • high-temperature industrial units – Installed in curved tube coils subjected to flame exposure and oxidizing gases Conclusion The SS 310S U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a dependable, high-temperature protective solution for shielding the inner arc of U-bend tubes. With its excellent oxidation resistance, low carbon content, and suitability for welded environments, this shield is ideal for critical systems operating under thermal stress and corrosive gas flow. For technical consultation, custom fabrication, or quotations, please contact Ladhani Metal Corporation.

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are engineered protective components designed to safeguard heat exchanger, boiler, and superheater tubes from erosion, scaling, thermal stress, and corrosion. These shields are commonly applied in power generation, petrochemical, and high-temperature industrial systems where tube surfaces are subjected to flue gas turbulence, slag buildup, and elevated temperatures. Their half-round configuration ensures secure installation and reliable performance over curved or straight tube sections, extending equipment life and reducing maintenance costs. SS 304L U Type Inner Half Round Tube Shield The SS 304L U Type Inner Half Round Tube Shield is manufactured from stainless steel grade 304L, a low-carbon version of SS 304. It offers improved weldability and resistance to intergranular corrosion without sacrificing strength or oxidation resistance. The inner U-type design is specifically tailored to protect the inner arc of U-bend tubes, an area frequently exposed to turbulent flow, localized scaling, and corrosive gases that accelerate material degradation. • Inner U Type Half Round Tube Shield – Covers the inner curvature of U-bend tubes, shielding against erosion, scaling, and corrosion caused by turbulent gas flow and heat concentration. Ladhani Metal Corporation is a well-known manufacturer, supplier, and exporter of SS 304L U Type Inner Half Round Tube Shields, offering high-quality and custom-built protection for thermal and chemical process applications. Chemical Composition of SS 304L – Low Carbon Austenitic Stainless Steel • Carbon (C): ≤ 0.035% • 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 – 13.0% • Iron (Fe): Balance Applications: Best suited for environments requiring corrosion resistance and thermal stability, especially where welding is involved or where intergranular corrosion must be minimized. Uses • Inner bend protection in superheaters, reheaters, and economizer tubes exposed to flue gas turbulence • Installed in the return bends of waste heat recovery boilers (WHRBs) and HRSGs • Applied in curved tube sections of steam reformers and heat exchangers handling moderately corrosive gases • Used in condensers and evaporators in power and process plants • Ideal for environments where welded tube components are at risk of intergranular corrosion Features • Superior corrosion resistance – Excellent protection against oxidation and scaling in high-temperature service • Low carbon content – Reduces carbide precipitation during welding, minimizing risk of corrosion at weld zones • Inner arc shielding – Specifically designed to protect the internal arc of U-bends from erosion and thermal fatigue • Precision fabrication – Manufactured to fit the exact radius and diameter of the tube bend • Quick and easy installation – Mountable using clamps, stainless steel bands, or tack welding • Enhanced durability – Extends the life of tubes in cyclic and corrosive operating environments Applications • power plants – Protects inner U-bend surfaces in superheaters and heat recovery sections from slag and heat exposure • petrochemical industries – Shields internal arcs in process heaters and reactors operating with acidic gases • waste heat recovery – Prevents inner arc degradation in WHRBs and HRSGs under variable temperature loads • chemical plants – Installed in corrosive media systems where steam and acidic vapors cause wear • industrial heaters – Used in return bends subjected to thermal cycling and corrosive combustion products Conclusion The SS 304L U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a reliable and corrosion-resistant solution for protecting the inner curvature of U-bend tubes in moderate to high-temperature environments. With its low-carbon composition and excellent thermal performance, it is ideal for systems requiring welded components and long-term durability in corrosive service conditions. For technical consultation, custom sizes, or quotations, please contact Ladhani Metal Corporation.

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are engineered to provide robust protection for boiler, superheater, and heat exchanger tubes against high-temperature erosion, slag deposition, scaling, and corrosive gas exposure. These shields are essential in power plants, petrochemical systems, and high-heat industrial environments where tubes are vulnerable to rapid degradation due to thermal cycling and particulate flow. The half-round design ensures quick installation over curved or straight tube sections without system disassembly. U Type Inner Half Round Tube Shield The U Type Inner Half Round Tube Shield is specially designed to protect the inner curvature of U-bend tubes, which often experiences high levels of turbulence, localized corrosion, and scaling due to gas redirection and mechanical stress. Inner shields are commonly paired with outer shields for full bend protection and are manufactured in a wide range of stainless steel and high-temperature alloy grades, customized to specific environmental and system requirements. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of U Type Inner Half Round Tube Shields in various material grades, offering tailored protection solutions for high-temperature and corrosive conditions across multiple industries. Available Grades • SS 304 – General-use stainless steel with good corrosion and heat resistance • SS 304L – Low-carbon version for improved weldability and reduced carbide precipitation • SS 316 – Molybdenum-added alloy with excellent resistance to pitting and chlorides • SS 316L – Low-carbon alternative for superior corrosion resistance in welded environments • SS 310 – Austenitic high-temperature steel with excellent oxidation resistance • SS 310S – Low-carbon SS 310 for better thermal fatigue performance • SS 410 – Martensitic stainless steel with good strength and abrasion resistance • SS 420 – High-hardness martensitic grade ideal for erosion-prone zones • SS 430 – Ferritic grade for moderate corrosion and oxidation resistance • 1Cr13 – Martensitic stainless steel offering mechanical protection and heat resistance • 1Cr18Ni9Ti – Titanium-stabilized grade offering resistance to intergranular corrosion • Cr23Ni13 – High-temperature alloy with excellent oxidation and scaling resistance • Cr25Ni20 – High-performance grade for extreme thermal and oxidizing conditions • 1Cr25Ni20Si2 – Heat-resistant alloy with silicon for improved scale resistance • 1Cr20Ni14Si2 – Alloy for thermal fatigue protection and oxidizing environments Applications • Inner arc protection in U-bend tubes of boilers, superheaters, and reheaters • Shielding internal curves of tubes in waste heat recovery boilers (WHRBs) and HRSGs • Corrosion and scale defense for inner tube arcs in petrochemical and steam reforming units • Inner surface protection in furnace coils, reformers, and incinerators • Installed in chemical plants and thermal systems prone to turbulent flue gas exposure Features • Focused inner arc protection – Guards the most corrosion- and scale-prone surface of U-bend tubes • Material flexibility – Available in multiple grades for varied thermal, mechanical, and chemical requirements • Excellent thermal resistance – Withstands extreme temperatures depending on material (up to 1150°C+) • Precise fit – Custom-fabricated to match exact tube dimensions and bend radii • Simple installation – Mounted using clamps, stainless bands, or welding techniques • Dual-shield pairing – Can be combined with outer shields for complete U-bend coverage • Long-lasting performance – Enhances tube reliability and reduces maintenance in high-wear zones Applications • power generation – Protects U-bend inner surfaces in superheaters and economizers from flue gas turbulence • petrochemical plants – Shields inside arcs in reformers and heaters exposed to chlorides and acidic gases • waste heat systems – Installed in HRSGs and WHRBs to prevent slag and oxidation on internal bends • chemical industries – Suitable for reactors and high-temperature exchangers handling corrosive media • cement and metallurgy – Used in systems exposed to flame, dust, and oxidizing atmospheres Conclusion The U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a precision-engineered solution for protecting the inner arc of U-bend tubes against corrosion, scale formation, and thermal damage. Available in a wide range of stainless steels and high-temperature alloys, these shields provide durable, customizable, and easy-to-install protection for critical components in power, chemical, and thermal processing systems. For custom sizes, technical assistance, or quotations, please contact Ladhani Metal Corporation.

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are essential components engineered to protect boiler, superheater, reheater, and heat exchanger tubes from high-temperature damage, erosion, slag buildup, and corrosion. These shields are commonly used in thermal power plants, petrochemical systems, waste heat recovery units, and high-temperature industrial processes where curved tube sections are frequently exposed to hot flue gases and particulate-laden flow. The half-round shape ensures quick installation and effective protection without dismantling the tube system. U Type Outer Half Round Tube Shield The U type outer half round tube shield is specifically designed to cover and protect the outer arc of U-bend tubes — the area most vulnerable to heat, gas erosion, flame impingement, and slag accumulation. These shields are manufactured in a wide variety of stainless steel and heat-resistant alloy grades to meet specific temperature, corrosion, and wear resistance requirements across various industries. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of U type outer half round tube shields in a full range of grades, offering precise fitment, durability, and reliable protection for curved tubes operating in extreme service environments. Available Grades • SS 304 – General-purpose stainless steel with good resistance to oxidation and moderate corrosion • SS 304L – Low-carbon version of SS 304 for better weldability and intergranular corrosion resistance • SS 316 – Molybdenum-enhanced alloy for superior resistance to chloride pitting and chemical corrosion • SS 316L – Low-carbon variant of SS 316 for enhanced corrosion resistance in welded conditions • SS 310 – High-temperature austenitic stainless steel with excellent oxidation resistance • SS 310S – Low-carbon SS 310 version suitable for thermal cycling and stress-resistance • SS 410 – Martensitic stainless steel with good mechanical strength and wear resistance • SS 420 – High-hardness martensitic steel for erosion-prone environments • SS 430 – Ferritic stainless steel suitable for mild oxidizing conditions and cost-effective applications • 1Cr13 – Martensitic stainless steel ideal for mechanical protection and moderate corrosion resistance • 1Cr18Ni9Ti – Titanium-stabilized alloy resistant to intergranular corrosion and heat stress • Cr23Ni13 – Austenitic heat-resistant alloy with excellent scaling and oxidation resistance • Cr25Ni20 – High-alloy grade for extreme heat and corrosive gas exposure • 1Cr25Ni20Si2 – Silicon-enhanced alloy for high-temperature stability and anti-scaling performance • 1Cr20Ni14Si2 – High-temperature grade with superior thermal fatigue and oxidation resistance Applications • Protection of U-bend outer arcs in superheaters and reheaters of thermal power plants • Shielding of curved tube sections in waste heat recovery boilers (WHRBs) and HRSGs • Flame-side defense for tube bends in petrochemical heaters, steam reformers, and exchangers • Slag and soot protection in return bends of industrial furnaces, incinerators, and kilns • Coverage for U-bend tubes in chemical and refinery plants exposed to acidic or oxidizing gases Features • Full outer arc coverage – Shields the most heat-exposed and erosion-prone section of U-bend tubes • Grade versatility – Available in multiple material options for specific temperature and corrosion demands • Excellent heat and oxidation resistance – Performance stability in conditions up to 1100°C+ depending on grade • Precision fitment – Custom-manufactured to match tube diameter, radius, and system design • Easy to install – Mountable via stainless steel bands, clamps, or tack welds without disassembly • Long-lasting durability – Reduces frequency of tube failure, improving system efficiency and safety Conclusion The U Type Outer Half Round Tube Shield by Ladhani Metal Corporation—manufacturer, supplier, and exporter—is available in a complete range of stainless steel and heat-resistant alloy grades to suit any industrial application. These shields provide robust, reliable protection for the outer arc of U-bend tubes exposed to high temperatures, corrosive gases, and erosive flows. With grade-specific performance, precision fabrication, and simple installation, they are a proven solution for extending tube service life in critical systems. For technical support, customized dimensions, or quotations, please contact Ladhani Metal Corporation.

DIN 2630 carbon steel flanges PN 2.5 are precision-engineered weld neck flanges designed in accordance with the DIN 2630 standard, suitable for low-pressure applications up to 2.5 bar (36.25 psi). Manufactured from high-quality carbon steel grades such as ASTM A105 and A350 LF2, these flanges offer reliable mechanical strength and excellent weldability. Carbon steel flanges are ideal for general-purpose piping systems where toughness, cost-effectiveness, and structural integrity are required in low-pressure environments. Ladhani Metal Corporation is a trusted global manufacturer and supplier of carbon steel flanges, known for delivering quality components built to meet international standards. Our DIN 2630 PN 2.5 carbon steel weld neck flanges are widely used in industries such as oil and gas, water treatment, power generation, and general manufacturing. Every flange is manufactured under stringent quality control to ensure performance, durability, and compliance with customer requirements. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Designed for low-pressure systems requiring durable, cost-effective materials with high mechanical strength. Flange Type: • Weld Neck Flanges Equipped with a long tapered hub to ensure smooth fluid flow and reduce stress concentration, these flanges are suited for critical applications involving pressure and temperature changes. • Flat Face (FF) Flanges Flat face flanges provide uniform gasket compression, especially when used with cast components or soft gasket materials in low-pressure setups. Carbon Steel Grades and Chemical Composition: ASTM A105 (Forged Carbon Steel) • Carbon (C): ≤ 0.35% • Manganese (Mn): 0.60 – 1.05% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.10 – 0.35% Applications: Commonly used in ambient- and high-temperature service in pressure systems. Ideal for general-purpose industrial piping, valve connections, and flanged joints. ASTM A350 LF2 (Low-Temperature Carbon Steel) • Carbon (C): ≤ 0.30% • Manganese (Mn): 0.60 – 1.35% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.15 – 0.30% Applications: Designed for low-temperature services where enhanced notch toughness is essential, such as cryogenic and refrigerated systems. Applications of DIN 2630 Carbon Steel Flanges PN 2.5: • Oil and Gas Industry Used in upstream and downstream piping for fluid transport under low-pressure conditions. • Water Treatment Plants Ideal for piping systems handling potable water, wastewater, and industrial effluents. • Power Generation Applied in cooling systems, boilers, and auxiliary piping in thermal and hydroelectric power plants. • General Industrial Use Suitable for manufacturing facilities, mechanical piping, and structural connections. Key Features: • Manufactured as per DIN 2630 standards • PN 2.5 pressure class for low-pressure piping systems • Weld neck design improves mechanical stability and flow characteristics • Flat face option enables consistent sealing with softer gasket materials • High strength, excellent machinability, and cost-efficiency • Available in standard and customized sizes, face types, and surface finishes Conclusion: DIN 2630 Carbon Steel Flanges PN 2.5 from Ladhani Metal Corporation provide a practical and durable solution for low-pressure piping systems across various industries. With strong mechanical properties, reliable performance, and economical pricing, these flanges are ideal for applications requiring consistent quality and weldability. For technical support, custom solutions, or pricing, contact Ladhani Metal Corporation.

DIN 2630 Inconel flanges PN 2.5 are precision-engineered weld neck flanges manufactured according to the DIN 2630 standard. These flanges are designed for low-pressure applications up to 2.5 bar (36.25 psi), providing excellent resistance to high temperature, corrosion, and oxidation in demanding industrial environments. Made from high-performance Inconel alloys such as Inconel 600, Inconel 625, and Inconel 718, these flanges are ideal for use where strength, durability, and resistance to harsh chemicals are required in low-pressure piping systems. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Inconel flanges, known for quality craftsmanship and engineering expertise. Our DIN 2630 PN 2.5 Inconel weld neck flanges are commonly utilized in chemical processing, aerospace, power generation, and marine industries where superior corrosion and heat resistance are essential. We ensure that each flange meets rigorous standards for performance, safety, and reliability. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Suitable for low-pressure applications requiring specialized material properties for corrosion and heat resistance. Flange Type: • Weld Neck Flanges Designed with a long tapered hub to provide enhanced stress distribution and minimize turbulence, ensuring structural integrity and smooth flow in critical piping systems. • Flat Face (FF) Flanges Flat face flanges offer uniform gasket compression and are suitable for mating with cast components or soft gasket materials in low-pressure systems. Inconel Grades and Full Composition: Inconel 600 (UNS N06600) • Nickel (Ni): 72.0 – 80.0% • Chromium (Cr): 14.0 – 17.0% • Iron (Fe): Balance • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.0% • Silicon (Si): ≤ 0.5% Applications: Excellent resistance to high-temperature oxidation and corrosion in moderately aggressive environments. Used in furnace components, heat exchangers, and chemical process equipment. Inconel 625 (UNS N06625) • Nickel (Ni): 58.0 – 63.0% • Chromium (Cr): 20.0 – 23.0% • Molybdenum (Mo): 8.0 – 10.0% • Iron (Fe): Balance • Carbon (C): ≤ 0.10% • Niobium (Nb): 3.15 – 4.15% Applications: High strength and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Ideal for marine, chemical, and aerospace applications. Inconel 718 (UNS N07718) • Nickel (Ni): 50.0 – 55.0% • Chromium (Cr): 17.0 – 21.0% • Iron (Fe): Balance • Niobium (Nb): 4.75 – 5.50% • Molybdenum (Mo): 2.80 – 3.30% • Titanium (Ti): 0.65 – 1.15% • Aluminum (Al): 0.20 – 0.80% • Carbon (C): ≤ 0.08% Applications: Precipitation-hardened alloy offering excellent strength, corrosion resistance, and weldability. Widely used in aerospace, nuclear reactors, and high-performance chemical processing equipment. Applications of DIN 2630 Inconel Flanges PN 2.5: • Chemical and Petrochemical Industry Used in piping systems carrying corrosive and high-temperature fluids under low pressure. • Aerospace and Defense Applied in low-pressure fuel and hydraulic lines where heat and corrosion resistance are critical. • Power Generation Ideal for heat exchangers, boilers, and turbine components operating at moderate temperatures and low pressure. • Marine Industry Used in seawater cooling and exhaust systems requiring corrosion-resistant materials. Key Features: • Manufactured as per DIN 2630 standards • PN 2.5 pressure class suitable for low-pressure service • Weld neck design for optimal stress management and flow efficiency • Available in high-performance Inconel alloys 600, 625, and 718 • Flat face option for uniform gasket sealing • Superior corrosion and heat resistance properties • Custom sizes, finishes, and grades available on request Conclusion: DIN 2630 Inconel Flanges PN 2.5 from Ladhani Metal Corporation provide a reliable solution for low-pressure piping systems requiring exceptional corrosion resistance, high strength, and durability. These flanges are engineered to meet the demanding requirements of chemical, aerospace, marine, and power generation industries. For custom specifications, technical support, or pricing information, contact Ladhani Metal Corporation.

DIN 2628 Carbon Steel flanges PN 250 are heavy-duty weld neck flanges manufactured in accordance with the DIN 2628 standard, designed for use in high-pressure systems operating up to 250 bar (3625 psi). These flanges are crafted from robust carbon steel grades, offering excellent mechanical strength, weldability, and cost-efficiency. With high tensile strength and good resistance to wear and fatigue, carbon steel flanges are ideal for structural and pressure-bearing applications in industries where corrosion is not a primary concern or where protective coatings are applied. Ladhani Metal Corporation supplies a comprehensive range of DIN 2628 PN 250 Carbon Steel flanges, engineered for demanding industrial environments. Known for precision machining, quality assurance, and consistent performance, our flanges are widely used in sectors such as oil and gas, power generation, water treatment, construction, and mechanical engineering. These flanges provide a reliable connection in pipeline systems that require durable performance under high pressure and mechanical stress. Pressure Rating: • PN 250 (250 bar / 3625 psi): Designed for high-pressure applications that demand strength, durability, and tight sealing under elevated loads. Flange Type: • Weld Neck Flanges Equipped with a tapered hub that enhances mechanical stability and reduces stress concentration at the weld. Ideal for fluctuating temperatures and high-pressure service. • Flat Face (FF) Flanges Flat face design allows for even gasket compression, reducing the risk of leakage when connected to cast or brittle piping components. Carbon Steel Grades and Composition: Common Grades: ASTM A105, ASTM A350 LF2 ASTM A105 • Carbon (C): ≤ 0.35% • Manganese (Mn): 0.60 – 1.05% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.10 – 0.35% Applications: Forged carbon steel used in ambient and high-temperature service. Ideal for valves, fittings, and flanges in oil, gas, and industrial pipelines. ASTM A350 LF2 • Carbon (C): ≤ 0.30% • Manganese (Mn): 0.60 – 1.35% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.15 – 0.30% Applications: Low-temperature carbon steel suitable for cryogenic and sub-zero environments. Commonly used in pipeline systems, compressors, and pressure vessels. Applications of DIN 2628 Carbon Steel Flanges PN 250: • Oil and Gas Pipelines Used in high-pressure oil, gas, and petrochemical systems where strength and structural integrity are critical. • Power Generation Applied in steam and thermal power plants, including boiler systems and heat exchangers. • Mechanical and Structural Systems Suitable for heavy-duty machinery, process piping, and structural pipe connections. • Water Treatment and Distribution Utilized in potable water and wastewater infrastructure requiring reliable, high-strength components. • HVAC and Industrial Utilities Installed in heating, ventilation, and compressed air systems operating at elevated pressures. Key Features: • Complies with DIN 2628 standard for high-pressure flange applications • PN 250 rating supports high-load, high-stress operational conditions • Weld neck design for optimal flow and reduced weld stress • Flat face option for even gasket pressure and secure sealing • Available in ASTM A105 and A350 LF2 grades • High mechanical strength and excellent machinability • Cost-effective option for non-corrosive or coated environments • Custom sizes, finishes, and drilling patterns available upon request Conclusion: DIN 2628 Carbon Steel Flanges PN 250 by Ladhani Metal Corporation offer a durable, economical solution for high-pressure systems in a variety of industrial applications. With excellent mechanical strength and versatility, these flanges are engineered to perform reliably in demanding environments where corrosion resistance is secondary to pressure and structural requirements. Contact Ladhani Metal Corporation for specifications, technical assistance, or to request a custom quotation for your project needs.

DIN 2628 Duplex steel flanges PN 250 are high-strength weld neck flanges designed according to the DIN 2628 standard for use in high-pressure systems up to 250 bar (3625 psi). Fabricated from Duplex stainless steels, these flanges offer an ideal balance of strength and corrosion resistance, combining the beneficial properties of both austenitic and ferritic stainless steels. Their robust mechanical performance, excellent resistance to stress corrosion cracking, and superior weldability make them well-suited for critical applications in aggressive service environments. Ladhani Metal Corporation manufactures and exports premium-grade Duplex steel flanges that meet stringent international standards for quality, reliability, and performance. Our DIN 2628 PN 250 Duplex steel weld neck flanges are widely used in sectors such as oil and gas, desalination, petrochemical processing, pulp and paper, and marine industries. With precision engineering and consistent quality, these flanges are designed to withstand high pressure, corrosive media, and mechanical stress. Pressure Rating: • PN 250 (250 bar / 3625 psi): Suitable for high-pressure systems requiring excellent structural integrity, corrosion resistance, and reliable sealing in dynamic conditions. Flange Type: • Weld Neck Flanges These flanges feature a tapered neck, offering high fatigue resistance by reducing stress concentration at the weld area. Ideal for applications with high pressure, high temperature, or repeated thermal cycling. • Flat Face (FF) Flanges Flat face design provides uniform gasket loading, minimizing the risk of flange deformation. Suitable for systems using brittle materials or low-pressure cast components. Duplex Steel Grades and 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): 0.14 – 0.20% • Iron (Fe): Balance • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% Applications: Offers excellent corrosion resistance, particularly to chloride-induced stress corrosion cracking and pitting. Commonly used in offshore oil rigs, chemical tanks, heat exchangers, and pressure vessels. Applications of DIN 2628 Duplex Steel Flanges PN 250: • Oil and Gas Exploration Resistant to sour gas, chloride attack, and high mechanical loads in subsea and topside environments. • Chemical Processing Plants Used in aggressive chemical systems, reactors, and storage vessels requiring high corrosion resistance. • Marine and Offshore Structures Reliable in saltwater applications, such as ballast systems, risers, and flowlines. • Pulp and Paper Industry Withstands acidic and alkaline process chemicals used in bleaching and pulping operations. • Water Treatment and Desalination Ideal for handling brine and high-chloride content fluids in RO and thermal desalination systems. Key Features: • Conforms to DIN 2628 standards • PN 250 pressure rating for high-pressure, heavy-duty systems • Weld neck configuration for excellent mechanical support and minimal stress concentration • Flat face variant ensures even gasket loading and leak-proof operation • Available in Duplex 2205 and Super Duplex 2507 grades • Excellent resistance to chloride stress corrosion, pitting, and crevice corrosion • High tensile and yield strength for demanding industrial conditions • Custom sizes, pressure ratings, and surface finishes available upon request Conclusion: DIN 2628 Duplex Steel Flanges PN 250 from Ladhani Metal Corporation are the optimal solution for applications requiring superior corrosion resistance, high mechanical strength, and reliable sealing performance under extreme pressure. Available in Duplex 2205 and Super Duplex 2507, these flanges offer outstanding performance across various aggressive industrial environments. For detailed technical specifications or to request a customized quotation, please contact Ladhani Metal Corporation.

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.