Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are engineered to protect the surfaces of boiler tubes, superheaters, and heat exchanger coils from high-temperature corrosion, erosion, slag deposition, and scaling. Widely used in power generation, petrochemical, and industrial processing systems, these shields are fabricated with a half-round profile that allows quick installation over curved or straight tube surfaces, extending service life and minimizing repair and replacement needs. Cr23Ni13 U Type Inner Half Round Tube Shield The Cr23Ni13 U Type Inner Half Round Tube Shield is manufactured from a chromium-nickel austenitic alloy known for its excellent high-temperature resistance, structural stability, and corrosion resistance. It performs reliably under continuous thermal exposure and is well-suited for systems exposed to oxidizing, carburizing, and sulfur-rich gases. The inner U-type configuration is designed specifically to shield the inner arc of U-bend tubes, which are more susceptible to localized turbulence, thermal fatigue, and scale formation. • Inner U Type Half Round Tube Shield – Covers the internal curvature of U-bend tubes, providing targeted protection from flue gas erosion, thermal scaling, and corrosion. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of Cr23Ni13 U Type Inner Half Round Tube Shields, offering precision-engineered solutions for high-performance thermal and chemical systems. Chemical Composition of Cr23Ni13 – Austenitic Heat-Resistant Steel • Carbon (C): ≤ 0.12% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 22.0 – 24.0% • Nickel (Ni): 12.0 – 14.0% • Iron (Fe): Balance Applications: Suitable for continuous exposure to high temperatures in oxidizing and chemically aggressive environments. Ideal for inner bend protection in return coil systems subjected to high thermal load and corrosive gas flow. Uses • Protects inner arcs of U-bend tubes in thermal power plant superheaters, reheaters, and economizers • Installed in WHRBs and HRSGs to resist scale and slag in return bends exposed to flue gas turbulence • Applied in steam reformers, process furnaces, and heat exchangers where inner tube surfaces face corrosive and hot gas impact • Used in chemical reactors and cracking units operating under cyclic thermal and chemical stress • Suitable for long-term protection of curved tubes in industrial combustion and heating equipment Features • High-temperature oxidation resistance – Performs in continuous service above 1000°C • Inner arc shielding – Targets protection for the most erosion-prone and heat-stressed tube area • Corrosion resistance – Withstands exposure to sulfur-rich gases, acidic vapors, and flue gas byproducts • Fabricated to specification – Available in custom sizes and bend radii for a precise fit and stable coverage • Simple installation – Can be secured using clamping, banding, or welding without disrupting the system • Extended service life – Reduces risk of tube failure, minimizes maintenance downtime, and improves system efficiency Applications • thermal and power generation – Protects inner U-bend surfaces from corrosion and erosion in steam circuits • petrochemical processing – Shields return bends in reformers and exchangers from hot process gases • waste heat recovery – Used in curved tubes of WHRBs and HRSGs for inner arc scale protection • chemical industry – Applied in reactors and thermal systems subjected to chemical vapors and high heat • furnace and incineration systems – Effective in resisting slag and gas-induced wear in industrial burners Conclusion The Cr23Ni13 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers dependable inner arc protection for U-bend tubes operating in aggressive thermal and chemical environments. Its high-temperature and corrosion-resistant properties make it ideal for safeguarding critical process tubes across a range of high-performance industrial systems. For technical consultation, customized fabrication, or quotations, please contact Ladhani Metal Corporation.

DIN 2634 super duplex steel flanges PN 25 are high-performance weld neck flanges designed in accordance with the DIN 2634 standard. These flanges are engineered for high-pressure systems operating up to 25 bar (362 psi) and are manufactured from premium super duplex stainless steel grades. Known for their superior strength, excellent corrosion resistance, and enhanced resistance to stress corrosion cracking and pitting, super duplex flanges are ideally suited for demanding industrial environments. Their robust mechanical properties make them a reliable choice for aggressive service conditions and high-pressure applications. Ladhani Metal Corporation is a global leader in the manufacturing and supply of super duplex steel flanges. With advanced production facilities, precision engineering capabilities, and rigorous quality assurance practices, the company ensures that each flange meets the highest standards of safety, durability, and performance under extreme conditions. Pressure Rating: • PN 25 (25 bar / 362 psi): Designed for systems requiring high strength and exceptional corrosion resistance under elevated pressure conditions. Flange Type: • Weld Neck Flanges Featuring a tapered hub design, weld neck flanges deliver optimal stress distribution and secure, leak-free connections in systems exposed to thermal and mechanical loading. • Flat Face (FF) Flanges Recommended for use with softer gasket materials or systems incorporating cast iron components, flat face flanges provide uniform gasket compression and reliable sealing. Super Duplex Steel Grades and Typical Composition: Super Duplex Steel (UNS S32750 / S32760) – Ferritic-Austenitic Stainless Steel • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.2 – 0.3% • Iron (Fe): Balance Applications: Widely used in environments where high strength, corrosion resistance, and resistance to chloride-induced stress corrosion cracking are essential, such as offshore platforms, chemical plants, and desalination facilities. Applications of DIN 2634 Super Duplex Steel Flanges PN 25: • Offshore and Subsea Installations Withstand chloride-rich marine environments, offering long-term durability and resistance to seawater corrosion. • Chemical and Petrochemical Processing Suitable for handling aggressive chemicals, acids, and solvents under high pressure and temperature conditions. • Desalination and Water Treatment Plants Perform reliably in saline and brine-rich environments with superior resistance to pitting and crevice corrosion. • Power Generation and Heat Exchangers Offer excellent performance in high-temperature, high-pressure applications requiring strength and corrosion protection. • Pulp and Paper Industry Operate effectively in harsh chemical environments including bleach and acidic processing streams. Key Features: • Manufactured to DIN 2634 specifications for dimensional accuracy and pressure handling • PN 25 pressure class supports high-performance applications • Superior resistance to localized corrosion including pitting and stress corrosion cracking • High strength-to-weight ratio and excellent mechanical properties • Weld neck design ensures structural integrity and resistance to fatigue • Available in both UNS S32750 and S32760 super duplex grades • Customizable in size, pressure class, and surface finish upon request Conclusion: DIN 2634 super duplex steel flanges PN 25 from Ladhani Metal Corporation are engineered to deliver top-tier performance in environments where mechanical strength and corrosion resistance are non-negotiable. Their robust construction and excellent durability make them ideal for marine, chemical, and industrial applications operating under high pressure. For detailed specifications, project consultations, or a custom quote, contact Ladhani Metal Corporation today.

DIN 2634 Inconel flanges PN 25 are high-performance weld neck flanges manufactured in accordance with the DIN 2634 standard. Specifically designed for high-pressure applications up to 25 bar (362 psi), these flanges are produced using premium Inconel alloys. Inconel is known for its exceptional resistance to oxidation, high-temperature strength, and ability to withstand corrosive and extreme environments, making these flanges suitable for the most demanding operational conditions. Their high performance and reliability make them ideal in environments where other materials may degrade or fail under stress. Ladhani Metal Corporation is a trusted global manufacturer and supplier of Inconel flanges, recognized for advanced manufacturing expertise, precision machining, and commitment to international quality standards. Every flange undergoes rigorous inspection and testing to guarantee safety, longevity, and consistent performance under extreme operating environments. Pressure Rating: • PN 25 (25 bar / 362 psi): Suitable for high-pressure systems that require superior corrosion resistance and mechanical strength. Flange Type: • Weld Neck Flanges Featuring a tapered neck for gradual stress transition, weld neck flanges are ideal for high-pressure and high-temperature systems, ensuring a strong and leak-resistant weld connection. • Flat Face (FF) Flanges Designed to be used with softer gasket materials or cast equipment, flat face flanges ensure even compression and secure sealing in moderate to high-pressure systems. Inconel Grades and Typical Composition: Inconel 600 (UNS N06600) – Nickel-Chromium Alloy • Nickel (Ni): 72.0 min • Chromium (Cr): 14.0 – 17.0% • Iron (Fe): 6.0 – 10.0% • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.0% • Silicon (Si): ≤ 0.5% Applications: Commonly used in heat exchangers, furnace components, and chemical processing equipment due to excellent resistance to high-temperature oxidation and corrosion. Inconel 625 (UNS N06625) – Nickel-Chromium-Molybdenum Alloy • Nickel (Ni): 58.0 min • Chromium (Cr): 20.0 – 23.0% • Molybdenum (Mo): 8.0 – 10.0% • Niobium (Nb): 3.15 – 4.15% • Iron (Fe): ≤ 5.0% Applications: Widely used in offshore and marine engineering, aerospace, chemical processing, and power generation due to excellent fatigue strength and resistance to chloride pitting and crevice corrosion. Inconel 718 (UNS N07718) – Nickel-Chromium Alloy with Niobium and Molybdenum • Nickel (Ni): 50.0 – 55.0% • Chromium (Cr): 17.0 – 21.0% • Iron (Fe): Balance • Niobium + Tantalum (Nb + Ta): 4.75 – 5.50% • Molybdenum (Mo): 2.80 – 3.30% • Titanium (Ti): 0.65 – 1.15% • Aluminum (Al): 0.20 – 0.80% Applications: Preferred in aerospace, turbine engines, nuclear reactors, and cryogenic tanks due to its excellent creep resistance, high strength, and ability to retain properties across a wide temperature range from cryogenic to 700°C. Applications of DIN 2634 Inconel Flanges PN 25: • Offshore Oil and Gas Platforms Resistant to seawater, sour gas, and harsh chemicals, ensuring reliability in corrosive and high-pressure marine environments. • Chemical Processing and Heat Treatment Plants Offers resistance to aggressive acids, alkalis, and oxidizing agents, even at elevated temperatures. • Power Generation Facilities Used in turbine systems, heat recovery steam generators, and reactors due to its high-temperature strength and oxidation resistance. • Aerospace and Defense Components Performs reliably in aircraft and defense systems exposed to extreme pressure and temperature variations. • Waste Treatment and Pollution Control Ideal for systems handling incineration gases, flue gases, and chemical waste due to high corrosion resistance. Key Features: • Manufactured as per DIN 2634 standards for dimensional accuracy and pressure compliance • PN 25 pressure rating for robust and high-pressure service conditions • High resistance to heat, corrosion, and oxidation in challenging environments • Suitable for both high-temperature and cryogenic applications • Weld neck configuration offers optimal stress distribution and structural integrity • Available in Inconel 600, 625, and other grades upon request • Custom sizes, pressure ratings, and special surface finishes available Conclusion: DIN 2634 Inconel flanges PN 25 from Ladhani Metal Corporation are engineered to provide uncompromising performance in corrosive and high-temperature environments. With superior material properties and strict quality control, these Inconel flanges deliver long-term reliability for demanding industrial applications. Contact Ladhani Metal Corporation for detailed technical support, material selection guidance, or competitive pricing for your specific requirements.

DIN 2634 stainless steel flanges PN 25 are precision-engineered weld neck flanges designed and manufactured in accordance with the DIN 2634 standard. These flanges are suitable for high-pressure pipeline systems operating up to 25 bar (362 psi), providing robust and secure connections for a variety of critical industrial applications. Constructed from high-quality stainless steel grades such as 304, 316, and 321, these flanges offer excellent mechanical properties, enhanced corrosion resistance, and dependable performance in aggressive service conditions. Ladhani Metal Corporation is a globally recognized manufacturer and supplier of stainless steel flanges, known for delivering high-precision products that meet stringent international quality and dimensional standards. Each flange undergoes rigorous testing and quality checks to ensure optimal performance, safety, and longevity under high-pressure conditions. Pressure Rating: • PN 25 (25 bar / 362 psi): Engineered for high-pressure environments requiring reinforced flange connections with reliable resistance to corrosion and mechanical stress. Flange Type: • Weld Neck Flanges Incorporating a long tapered hub, weld neck flanges help maintain pipe alignment, reduce stress concentration at the weld joint, and enable smooth fluid flow with minimal turbulence. • Flat Face (FF) Flanges Ideal for systems utilizing soft gaskets or cast components, flat face flanges promote consistent gasket compression and sealing integrity. Stainless Steel Grades and Typical Composition: Stainless Steel 304 • Chromium (Cr): 18.0 – 20.0% • Nickel (Ni): 8.0 – 10.5% • Carbon (C): ≤ 0.08% (304), ≤ 0.03% (304L) • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: Suitable for general-purpose piping systems in environments with moderate corrosion exposure, including potable water and light-duty process lines. Stainless Steel 316 • Chromium (Cr): 16.0 – 18.0% • Nickel (Ni): 10.0 – 14.0% • Molybdenum (Mo): 2.0 – 3.0% • Carbon (C): ≤ 0.08% (316), ≤ 0.03% (316L) • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: Ideal for systems exposed to chlorides, cleaning agents, or other corrosive substances such as in chemical processing, pharmaceuticals, and marine environments. Stainless Steel 321 • Chromium (Cr): 17.0 – 19.0% • Nickel (Ni): 9.0 – 12.0% • Titanium (Ti): ≥ 5 × C (typically 0.20 – 0.70%) • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: Frequently used in high-temperature services such as thermal processing equipment, exhaust systems, and heat exchangers due to its stability against intergranular corrosion. Applications of DIN 2634 Stainless Steel Flanges PN 25: • Chemical Processing Units Handles higher operating pressures in systems transporting acids, alkalis, and solvents. • Marine and Offshore Installations Resistant to pressure fluctuations and saltwater corrosion in offshore piping networks. • Pharmaceutical and Biotech Plants Used in clean process environments where both pressure integrity and corrosion resistance are critical. • Industrial Steam and Thermal Systems Suitable for steam distribution and thermal expansion pipelines operating under high pressure. • Power Generation Facilities Applied in turbine piping, heat recovery systems, and pressurized cooling water circuits. Key Features: • Manufactured to DIN 2634 dimensional and pressure specifications • PN 25 pressure rating supports high-pressure operation • Weld neck design ensures leak-tight, stress-resistant connections • Available in stainless steel grades 304, 316, 321 and their low-carbon variants • Superior resistance to high-temperature corrosion and chemical attack • Long-term mechanical strength and fatigue resistance • Custom sizes, finishes, and pressure ratings available upon request Conclusion: DIN 2634 stainless steel flanges PN 25 from Ladhani Metal Corporation are engineered for high-performance use in high-pressure industrial environments where safety, corrosion resistance, and durability are paramount. These flanges are ideal for chemical, marine, thermal, and high-purity applications requiring strong, leak-resistant, and corrosion-resistant connections. For technical support, customized solutions, or pricing details, contact Ladhani Metal Corporation today.

DIN 2633 Monel flanges PN 16 are precision-engineered weld neck flanges manufactured in accordance with the DIN 2633 standard. Designed for pipeline systems operating at pressures up to 16 bar (232 psi), these flanges provide exceptional resistance to corrosive environments, including seawater, acids, and alkalis. Manufactured from high-performance Monel alloys such as Monel 400 and Monel K500, they combine outstanding mechanical strength with excellent corrosion resistance, making them suitable for demanding industrial and marine applications. Ladhani Metal Corporation is a trusted global manufacturer and supplier of Monel flanges, known for superior material quality, dimensional accuracy, and strict compliance with international standards. Each flange undergoes rigorous quality checks and testing to ensure consistent performance in critical service conditions. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for medium-pressure systems requiring corrosion resistance and structural reliability. Flange Type: • Weld Neck Flanges Designed with a long tapered hub to ensure smooth flow transitions, proper pipe alignment, and minimized stress concentration for high-integrity connections. • Flat Face (FF) Flanges Provides a uniform sealing surface ideal for systems with soft gasket materials or cast mating components, ensuring optimal gasket compression. Monel Grades and Full Composition: Monel 400 • Nickel (Ni): ≥ 63.0% • Copper (Cu): 28.0 – 34.0% • Iron (Fe): ≤ 2.5% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 0.5% • Carbon (C): ≤ 0.3% Applications: Widely used in marine engineering, chemical processing, pump and valve components, and environments exposed to hydrofluoric and sulfuric acids. Monel K500 • Nickel (Ni): ≥ 63.0% • Copper (Cu): 27.0 – 33.0% • Aluminum (Al): 2.3 – 3.15% • Titanium (Ti): 0.35 – 0.85% • Iron (Fe): ≤ 2.0% • Carbon (C): ≤ 0.25% Applications: Suitable for high-strength applications in marine, oil and gas, and sour gas service environments. Offers improved mechanical properties over Monel 400 while retaining excellent corrosion resistance. Applications of DIN 2633 Monel Flanges PN 16: • Marine and Offshore Systems Ideal for saltwater piping, desalination systems, and submerged components due to excellent resistance to chloride stress corrosion. • Chemical Processing Industries Used in systems handling strong acids, alkalis, and organic solvents, especially hydrofluoric acid. • Oil and Gas Exploration Resistant to sour gas environments, high pressures, and corrosive drilling fluids. • Heat Exchangers and Condensers Monel flanges are preferred for their stability under fluctuating thermal loads and corrosive fluids. • Power Generation Used in cooling water and fuel handling systems where reliability under stress and corrosion is essential. Key Features: • Manufactured to DIN 2633 specifications • PN 16 rating for medium-pressure pipelines • Weld neck design for stress-distributed, leak-proof connections • Available in Monel 400 and K500 grades for tailored performance • Excellent resistance to corrosion in marine, acidic, and alkaline environments • High tensile strength and resistance to mechanical fatigue • Custom sizes, pressure classes, and finishes available on request Conclusion: DIN 2633 Monel Flanges PN 16 from Ladhani Metal Corporation offer robust performance in highly corrosive and pressure-sensitive applications. With superior resistance to seawater, acids, and harsh industrial chemicals, these flanges are engineered for longevity and strength in marine, chemical, and oil and gas systems. For custom configurations, technical advice, or pricing details, contact Ladhani Metal Corporation today.

DIN 2633 titanium flanges PN 16 are precision-engineered weld neck flanges manufactured in accordance with the DIN 2633 standard. These flanges are designed for medium to high-pressure applications up to 16 bar (232 psi), delivering strong, lightweight, and corrosion-resistant connections in highly demanding pipeline environments. Constructed from premium-grade titanium alloys such as Grade 2 and Grade 5, they offer unmatched corrosion resistance, low density, and excellent mechanical properties, making them ideal for aggressive and weight-sensitive industrial applications. Ladhani Metal Corporation is a globally recognized manufacturer and supplier of titanium flanges, known for its technical expertise, product reliability, and adherence to stringent international specifications. Each flange undergoes meticulous quality checks to meet all applicable safety and performance standards. Pressure Rating: • PN 16 (16 bar / 232 psi): Designed for pipeline systems requiring secure, leak-free connections and outstanding corrosion protection under moderate pressure conditions. Flange Type: • Weld Neck Flanges Designed with an extended tapered hub to ensure superior structural support and reduce localized stress. Ideal for critical piping systems where fatigue resistance is essential. • Flat Face (FF) Flanges Provides an even sealing surface for use with softer gaskets or systems involving cast components, ensuring leak-proof performance and consistent compression. Titanium Grades and Full Composition: Titanium Grade 2 • Titanium (Ti): ≥ 98.8% • Iron (Fe): ≤ 0.30% • Oxygen (O): ≤ 0.25% • Carbon (C): ≤ 0.08% • Nitrogen (N): ≤ 0.03% • Hydrogen (H): ≤ 0.015% Applications: Preferred in desalination, chemical processing, marine, and medical applications due to its excellent corrosion resistance and biocompatibility. Titanium Grade 5 (Ti-6Al-4V) • Titanium (Ti): Balance • Aluminum (Al): 5.5 – 6.75% • Vanadium (V): 3.5 – 4.5% • Iron (Fe): ≤ 0.40% • Oxygen (O): ≤ 0.20% • Carbon (C): ≤ 0.08% • Nitrogen (N): ≤ 0.05% • Hydrogen (H): ≤ 0.015% Applications: Commonly used in aerospace, offshore, automotive, and industrial systems requiring high strength-to-weight ratio, fatigue resistance, and temperature stability. Applications of DIN 2633 Titanium Flanges PN 16: • Desalination Plants Highly resistant to seawater and chlorides, suitable for intake and discharge piping. • Chemical and Pharmaceutical Industries Used in handling reactive or highly corrosive media where stainless steel may fail. • Aerospace and Defense Ideal for weight-sensitive applications requiring structural integrity and resistance to atmospheric conditions. • Oil and Gas Reliable in offshore platforms and downhole equipment exposed to saltwater and high pressures. • Medical Equipment Manufacturing Biocompatible properties allow safe usage in hygienic and sterile processing systems. Key Features: • Precision manufactured to DIN 2633 specifications • PN 16 pressure rating for medium to high-pressure performance • Weld neck flange design ensures enhanced mechanical stability • Available in corrosion-resistant titanium grades 2 and 5 • Lightweight construction reduces overall system load • High resistance to acids, chlorides, and extreme environments • Custom dimensions, pressure classes, and finishes available on request Conclusion: DIN 2633 Titanium Flanges PN 16 from Ladhani Metal Corporation provide a high-performance solution for systems that require excellent corrosion resistance, mechanical strength, and reduced weight. With superior manufacturing precision and quality assurance, these flanges are suited for challenging environments in marine, aerospace, chemical, and medical sectors. For custom specifications, detailed technical assistance, or pricing inquiries, contact Ladhani Metal Corporation today.

DIN 2628 Super Duplex steel flanges PN 250 are high-performance weld neck flanges engineered to meet the stringent requirements of the DIN 2628 standard. Designed for use in high-pressure systems up to 250 bar (3625 psi), these flanges are manufactured from Super Duplex stainless steel—an advanced alloy known for its exceptional strength and superior resistance to aggressive corrosion, particularly in chloride-rich and marine environments. Super Duplex flanges combine high mechanical integrity with excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for demanding and safety-critical applications. Ladhani Metal Corporation is a globally recognized manufacturer and exporter of premium Super Duplex flanges. Our DIN 2628 PN 250 Super Duplex weld neck flanges are trusted by industries such as offshore oil and gas, desalination, chemical processing, and marine engineering for their unmatched durability and reliability. Each flange is precision-engineered to deliver optimal performance under extreme pressure, temperature, and corrosive conditions. Pressure Rating: • PN 250 (250 bar / 3625 psi): Suitable for high-pressure systems requiring maximum sealing integrity, superior strength, and corrosion resistance. Flange Type: • Weld Neck Flanges Feature a tapered hub that minimizes stress concentration at the weld point. Designed for high-load applications with frequent thermal cycling. • Flat Face (FF) Flanges Flat face design ensures uniform gasket compression and improved safety when mating with cast or brittle components. Super Duplex Steel Grade and 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% • Iron (Fe): Balance • Carbon (C): ≤ 0.03% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.8% Applications: Exceptional resistance to chloride-induced corrosion, pitting, and erosion. Extensively used in offshore platforms, subsea piping, desalination plants, and chemical process systems exposed to severe environments. Applications of DIN 2628 Super Duplex Flanges PN 250: • Offshore Oil and Gas Used in subsea equipment, manifolds, and risers where high mechanical strength and resistance to saltwater and sour gas are critical. • Desalination and Water Treatment Ideal for high-chloride environments such as reverse osmosis systems and thermal desalination plants. • Chemical and Petrochemical Processing Reliable in handling aggressive chemicals, acids, and alkalis in reactors, storage tanks, and high-pressure pipelines. • Marine Engineering Performs well in seawater-exposed structures, including ballast systems, hull penetrations, and fire water systems. • Pulp and Paper Industry Resistant to bleaching agents and corrosive media used in pulp processing and chemical recovery systems. Key Features: • Manufactured to DIN 2628 specifications • PN 250 pressure class suitable for critical pressure-retaining applications • Weld neck configuration provides high structural support and fatigue resistance • Flat face variant for secure sealing in flange assemblies involving cast components • Made from Super Duplex 2507 for exceptional corrosion resistance and strength • Excellent performance in chloride-rich, high-temperature, and high-pressure environments • High resistance to erosion, fatigue, and stress corrosion cracking • Available in customized dimensions, surface finishes, and pressure ratings Conclusion: DIN 2628 Super Duplex Steel Flanges PN 250 from Ladhani Metal Corporation are engineered for the most demanding industrial environments where high pressure, corrosive media, and structural reliability are paramount. Offering the superior properties of Super Duplex 2507, these flanges deliver consistent performance and long-term durability in offshore, chemical, and marine applications. Contact Ladhani Metal Corporation for comprehensive technical data, custom configurations, or a tailored quotation to meet your specific application requirements.

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 2628 Monel flanges PN 250 are high-performance weld neck flanges engineered in compliance with the DIN 2628 standard. Designed for high-pressure applications up to 250 bar (3625 psi), these flanges are constructed from Monel alloys, known for their exceptional resistance to corrosion, particularly in acidic and saline environments. Monel flanges deliver robust mechanical strength and thermal stability, making them suitable for challenging industrial applications that involve fluctuating temperatures, corrosive substances, and high mechanical stress. Ladhani Metal Corporation is a reliable global manufacturer and exporter of Monel flanges, providing products that meet exacting international standards for quality and performance. Our DIN 2628 PN 250 Monel weld neck flanges are extensively used in chemical processing, marine engineering, desalination systems, and offshore oil and gas installations. Known for superior build quality and long-term durability, these flanges ensure safe and efficient operations in pressure-sensitive systems exposed to harsh service conditions. Pressure Rating: • PN 250 (250 bar / 3625 psi): Suitable for systems requiring high-pressure endurance, secure sealing capabilities, and enhanced structural integrity. Flange Type: • Weld Neck Flanges Characterized by a long tapered hub that minimizes stress at the weld junction. Ideal for high-temperature and high-pressure applications. • Flat Face (FF) Flanges Provides an even surface for gasket compression, ensuring reliable sealing. Well-suited for connections involving cast components or brittle materials. Monel Grades and Composition: Monel 400 (UNS N04400) • Nickel (Ni): ≥ 63.0% • Copper (Cu): 28.0 – 34.0% • Iron (Fe): ≤ 2.5% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 0.5% • Carbon (C): ≤ 0.3% Applications: Offers excellent resistance to seawater, hydrofluoric acid, and alkalis. Commonly used in marine piping, pump shafts, heat exchangers, and chemical processing equipment. Monel K500 (UNS N05500) • Nickel (Ni): ≥ 63.0% • Copper (Cu): 27.0 – 33.0% • Aluminum (Al): 2.3 – 3.15% • Titanium (Ti): 0.35 – 0.85% • Iron (Fe): ≤ 2.0% • Carbon (C): ≤ 0.25% Applications: Precipitation-hardened alloy providing greater strength and hardness than Monel 400. Suitable for valves, springs, and high-strength fasteners in corrosive environments including marine and chemical processing systems. Applications of DIN 2628 Monel Flanges PN 250: • Marine Engineering Highly resistant to saltwater corrosion, suitable for shipbuilding, subsea pipelines, and desalination plants. • Chemical and Petrochemical Processing Performs well in environments containing strong acids, alkalis, and chlorinated solvents. • Offshore Oil and Gas Used in systems that handle sour gas, brine, and other corrosive fluids. • Power and Energy Ideal for condenser systems and piping exposed to high-pressure steam and corrosive environments. • Pulp and Paper Industry Effective in processes involving sulfur compounds and acidic bleaching agents. Key Features: • Designed in accordance with DIN 2628 specifications • Rated for PN 250 (250 bar / 3625 psi) pressure systems • Weld neck configuration ensures superior mechanical strength and fatigue resistance • Flat face option supports uniform gasket pressure distribution • Available in Monel 400 and Monel K500 grades • Excellent corrosion resistance in marine, chemical, and high-saline environments • High mechanical strength and good thermal performance • Custom dimensions, pressure classes, and surface finishes available on request Conclusion: DIN 2628 Monel Flanges PN 250 from Ladhani Metal Corporation are engineered for high-pressure systems operating in some of the most demanding service environments. With excellent resistance to corrosion, superior mechanical properties, and thermal stability, Monel flanges provide reliable, long-term service in critical applications across marine, chemical, and offshore industries. Contact Ladhani Metal Corporation for detailed product specifications, technical support, or to request a customized quote.