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.

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 2627 Super Duplex Steel flanges PN 400 are robust, high-performance blind flanges engineered for extremely demanding applications requiring exceptional strength, corrosion resistance, and reliability under ultra-high-pressure conditions. Designed according to the DIN 2627 standard, these flanges are primarily used to isolate sections of piping systems, especially in environments that involve aggressive media such as seawater, acidic chemicals, and high-temperature fluids. With a PN 400 pressure rating (400 bar / 5800 psi), these flanges are suitable for critical systems where both mechanical strength and corrosion resistance are vital. Ladhani Metal Corporation is a globally recognized supplier and exporter of Super Duplex DIN flanges, offering products that meet or exceed international quality, safety, and performance standards for extreme-service applications. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for high-pressure operations in chemically aggressive and mechanically demanding environments. Flange Type: • Blind Flanges Flat, solid flanges without a bore used to seal the end of piping systems. Ideal for temporary shutdowns, pressure testing, or future system expansion. • Flat Face (FF) Flanges Feature a flat sealing surface, suitable for use with full-face gaskets and flat mating components to ensure consistent and effective sealing under pressure. Super Duplex Steel Grades and Composition: Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24 – 26% • Nickel (Ni): 6 – 8% • Molybdenum (Mo): 3 – 5% • Nitrogen (N): 0.24 – 0.32% • Iron (Fe): Balance Applications: Exceptional corrosion resistance in seawater, brines, and acidic environments. Commonly used in offshore structures, desalination plants, and chemical processing systems. Applications of DIN 2627 Super Duplex Flanges PN 400: • Offshore Oil and Gas Platforms Used in topside and subsea installations exposed to high salinity, pressure, and harsh chemical environments. • Desalination and Water Treatment Plants Resistant to chloride-induced corrosion and fouling in seawater intake and brine discharge systems. • Chemical and Petrochemical Processing Ideal for aggressive process media such as chlorides, sulfur compounds, and acids at high temperatures and pressures. • Marine Engineering and Shipbuilding Excellent corrosion resistance in marine atmospheres, making them suitable for seawater cooling, ballast systems, and structural piping. • Pulp and Paper Industry Deployed in bleaching plants and alkaline recovery lines where strength and corrosion resistance are essential. • Power Generation and Nuclear Facilities Reliable under high-temperature and pressure cycles in superheated steam, feedwater, and condenser systems. Key Features: • Manufactured to DIN 2627 standard • PN 400 pressure class for ultra-high-pressure environments • Blind flange design for secure pipe end sealing or access closure • Flat face type for even gasket compression and leak-free performance • Available in Super Duplex 2507 (UNS S32750) and S32760 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • Twice the strength of conventional stainless steels • Widely used in offshore, marine, petrochemical, and water treatment industries • Custom options available: sizes, pressure ratings, face types, and finishes Conclusion: DIN 2627 Super Duplex Steel Flanges PN 400 by Ladhani Metal Corporation are designed to withstand the harshest industrial environments, providing unmatched corrosion resistance, mechanical strength, and sealing reliability. These flanges are ideal for mission-critical applications in offshore, marine, chemical, and energy industries. For technical assistance, custom fabrication, or detailed product specifications, contact Ladhani Metal Corporation and ensure your systems are protected by industry-leading flange solutions.

DIN 2576 Super Duplex Flanges PN 10 are high-performance, slip-on flanges manufactured from super duplex stainless steel, designed for piping systems operating under low to medium pressures. Produced in accordance with the DIN 2576 standard, these flanges offer exceptional mechanical strength combined with superior corrosion resistance, making them ideal for highly aggressive and chloride-laden environments. The slip-on design facilitates easy placement over the pipe and enables secure welding, ensuring precise alignment and a reliable seal across various industrial applications. Ladhani Metal Corporation is a trusted manufacturer and global supplier of super duplex steel flanges, providing products that meet stringent international standards in terms of dimensions, metallurgy, and performance. DIN 2576 super duplex flanges are especially valued in industries where resistance to pitting, crevice corrosion, and stress corrosion cracking is critical, including marine, chemical, and wastewater systems. Pressure Rating: • PN 10 (10 bar / 145 psi): Designed for moderate-pressure systems demanding long-term durability in corrosive environments. Flange Types: • Slip-On Flanges These flanges slide over the pipe and are welded on both sides, offering ease of installation and secure mechanical performance. • Flat Face (FF) Flanges Designed for use with flat gaskets and mating surfaces, these flanges are ideal for applications involving non-metallic or cast components. Super Duplex Stainless Steel 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 delivers superior yield strength and corrosion resistance, particularly in extreme environments. It is commonly used in subsea equipment, chemical containment, high-pressure systems, and offshore platforms exposed to seawater and chlorides. Applications of DIN 2576 Super Duplex Flanges: • Offshore and Marine Engineering Well-suited for seawater cooling systems, risers, and structural elements exposed to marine conditions. • Chemical and Petrochemical Industries Ideal for conveying highly corrosive fluids, acids, and chlorides in reactors and pipelines. • Water Treatment and Desalination Applied in reverse osmosis systems, brine piping, and high-salinity water circuits requiring enhanced corrosion resistance. • Pulp and Paper Industry Offers protection against aggressive bleaching agents and chemical fluids under pressurized conditions. • Oil and Gas Used in critical systems like separators, manifolds, and sour gas applications. • Structural and Pressure Vessel Fabrication Preferred for tanks and pressure vessels operating under corrosive and mechanical stress. Key Features: • Fully compliant with DIN 2576 standard specifications • PN 10 pressure rating for use in moderate-pressure applications • Superior resistance to chloride-induced pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength reduces material thickness and overall system weight • Manufactured using Super Duplex 2507 and other super duplex alloys • Slip-on design ensures straightforward alignment and welding • Flat face variants suitable for a wide range of gaskets and connection types • Widely used across marine, chemical, oil and gas, and water treatment sectors • Custom sizes, face configurations, and finishes available on request Conclusion: DIN 2576 Super Duplex Flanges PN 10 by Ladhani Metal Corporation offer exceptional strength and corrosion resistance for highly demanding industrial environments. Available in Super Duplex 2507 and other super duplex grades, these flanges ensure reliable performance in systems facing high salinity, pressure, and temperature. For technical guidance, grade selection, or customized project solutions, reach out to Ladhani Metal Corporation today.

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.

DIN 2573 Duplex Flanges PN 6 are premium-quality, low-pressure plate flanges made from Duplex stainless steels, designed for applications requiring both excellent corrosion resistance and high mechanical strength. Manufactured in compliance with DIN 2573 standards, these flanges provide a reliable, cost-effective solution for demanding industrial environments, especially those exposed to chloride-bearing media, high-pressure fluids, and extreme temperatures. The balanced microstructure of Duplex alloys offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for use in challenging service conditions. Ladhani Metal Corporation is a reliable manufacturer and global supplier of Duplex steel flanges, offering products that meet stringent quality and international performance standards. The DIN 2573 flange configuration allows for easy assembly and a secure, leak-tight seal, even in low-pressure, corrosive service environments. Pressure Rating: • PN 6 (6 bar / 87 psi): Engineered for low-pressure applications where corrosion resistance, strength, and long-term durability are required in aggressive service conditions. Flange Types: • Plate Flanges Flat, circular flanges designed for bolted piping connections with gaskets, ensuring a leak-free joint suitable for low-pressure systems. • Flat Face (FF) Flanges These flanges offer uniform surface contact, ideal for use with flat gaskets and compatible materials like non-metallic components or cast iron. • Slip-On Flanges Designed to slip over the pipe and be welded into place, these flanges offer easy alignment and simplified installation for low to moderate pressure systems. • Custom-Machined Flanges Custom-fabricated to meet specific application needs, including unique dimensions, face types, and surface finishes, in various Duplex steel grades. Duplex Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) Composition: • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Manganese (Mn), Silicon (Si), Iron (Fe): Balance Applications: Duplex 2205 is ideal for environments with high chloride exposure, offering enhanced strength and corrosion resistance. Commonly used in offshore platforms, heat exchangers, pressure vessels, and seawater piping systems. Applications of DIN 2573 Duplex Flanges: • Chemical and Petrochemical Plants: Used in vessels, tanks, and piping that transport acidic and corrosive chemicals, Duplex flanges provide long service life and resistance to chemical attack. • Marine and Offshore Engineering: Ideal for seawater systems and subsea equipment due to their high corrosion resistance and excellent strength under pressure. • Oil and Gas Industry: Used in flowlines, risers, and subsea systems, these flanges offer mechanical durability and protection against corrosion in harsh hydrocarbon environments. • Power Generation: Duplex flanges are used in heat exchangers, condensers, and high-pressure steam lines, delivering stability under fluctuating temperature and pressure conditions. • Water Treatment and Desalination: Well-suited for brine handling and reverse osmosis systems, thanks to superior resistance to chloride-induced stress corrosion. Key Features: • Manufactured in accordance with DIN 2573 standard • Rated PN 6 for low-pressure systems requiring corrosion resistance • Exceptional performance in environments with chlorides and high mechanical stress • Available in Duplex 2205, Super Duplex 2507, and other Duplex grades • High strength combined with cost efficiency • Excellent fatigue resistance and weldability • Customization available for surface finishes, flange faces, and drilling patterns Conclusion: DIN 2573 Duplex Flanges PN 6 by Ladhani Metal Corporation offer a robust, corrosion-resistant solution for industries operating in aggressive chemical, marine, and high-pressure environments. Combining the mechanical strength of Duplex stainless steels with the reliable DIN 2573 design, these flanges ensure secure, long-lasting connections in critical systems. For detailed specifications, special dimensions, or technical consultations, contact Ladhani Metal Corporation today.

Ladhani Metal Corporation is a well-established manufacturer and exporter of DIN 2561 duplex flanges, specifically engineered for optimal performance in low-pressure piping systems. The DIN 2561 standard specifies weld neck flanges with a nominal pressure rating of PN6, and we offer extended pressure ratings including PN10, PN16, PN25, and PN40 based on customer specifications. Our duplex flanges are manufactured using duplex stainless steel, combining the best properties of both austenitic and ferritic steel. This unique composition ensures excellent corrosion resistance, high strength, and resistance to stress corrosion cracking in aggressive environments. These flanges are ideal for critical applications in industries such as chemical processing, petrochemical, marine, and offshore oil and gas sectors. Flange types: • Weld neck flanges: Suitable for high-integrity, high-stress piping systems • Raised face (RF): Designed to improve gasket performance and create leak-proof sealing • Flat face (FF): Ideal where mating surfaces are brittle or non-metallic Grades, chemical composition, and applications: Duplex Stainless Steel 2205 (UNS S32205) Chemical composition: Chromium (Cr): 22.0 – 23.0% Nickel (Ni): 4.5 – 6.0% Molybdenum (Mo): 3.0 – 3.5% Iron (Fe): Balance Manganese (Mn): ≤ 2.0% Silicon (Si): ≤ 1.0% Carbon (C): ≤ 0.03% Nitrogen (N): 0.14 – 0.2% Phosphorus (P): ≤ 0.035% Sulfur (S): ≤ 0.02% Applications: Duplex Stainless Steel 2205 is ideal for applications requiring high strength and excellent resistance to pitting and crevice corrosion, especially in environments with chloride exposure. Duplex Stainless Steel 2507 (UNS S32750) Chemical composition: Chromium (Cr): 24.0 – 26.0% Nickel (Ni): 6.0 – 8.0% Molybdenum (Mo): 3.0 – 5.0% Iron (Fe): Balance Manganese (Mn): ≤ 2.0% Silicon (Si): ≤ 1.0% Carbon (C): ≤ 0.03% Nitrogen (N): 0.24 – 0.32% Phosphorus (P): ≤ 0.03% Sulfur (S): ≤ 0.02% Applications: Duplex Stainless Steel 2507 is designed for extremely harsh environments requiring superior resistance to both chloride stress corrosion cracking and general corrosion. Key features: • Manufactured as per DIN 2561 standard • High dimensional accuracy and surface finish • Custom sizes, face types, and drilling options available Applications: • Marine & Offshore Industries: Duplex flanges, with their excellent resistance to corrosion and stress corrosion cracking, are ideal for use in seawater applications, including subsea pipelines, offshore platforms, and desalination plants. • Chemical Processing: Duplex flanges are well-suited for high-stress and corrosive chemical environments, making them ideal for reactors, pressure vessels, and piping systems in the chemical and petrochemical industries. • Oil & Gas: The high strength and corrosion resistance of duplex flanges make them perfect for demanding offshore and subsea applications, such as pipelines, manifolds, and risers. DIN 2561 duplex flanges from Ladhani Metal Corporation are an ideal choice for industries requiring superior performance, resistance to corrosion, and high strength in challenging environments. Meeting international standards and manufactured with precision, our duplex flanges are the preferred solution for a wide range of applications in various sectors. For technical details, pricing, or bulk inquiries, contact Ladhani Metal Corporation.

The DIN 2558 Super Duplex Flange PN 6 is a high-performance piping component engineered for the most demanding industrial applications. Designed in accordance with DIN (Deutsches Institut für Normung) specifications, these flanges are manufactured from premium-grade super duplex stainless steel, offering outstanding mechanical strength and superior corrosion resistance, particularly in aggressive environments. Supplied by Ladhani Metal Corporation, these flanges are trusted by industries that require durability, safety, and long-lasting performance. Super duplex flanges are widely used in offshore oil and gas, petrochemical, chemical processing, desalination, and marine applications where resistance to stress corrosion cracking, pitting, and erosion is essential. The PN 6 pressure rating (6 bar or approximately 87 psi) makes them suitable for medium-pressure systems requiring robust and corrosion-resistant connections. Types: Weld Neck Flange – Offers a strong welded connection ideal for high-pressure and high-temperature systems. Slip-On Flange – Easy to install and weld, suitable for lower-stress applications. Blind Flange – Used to seal off the end of a pipeline, ensuring zero leakage. Threaded Flange – Provides a screw-type connection where welding isn’t preferred. Socket Weld Flange – Ideal for small-diameter, high-pressure applications requiring a smooth bore and secure weld. Grade & Chemical 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% Iron (Fe): Balance Key Properties: Exceptional resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion High tensile and yield strength—almost double that of conventional austenitic stainless steels Outstanding performance in seawater and chemically aggressive environments PN 6 Rating: The PN 6 pressure rating corresponds to 6 bar (approximately 87 psi), making this flange ideal for medium-pressure pipelines where superior strength and corrosion resistance are required for safe and long-lasting operation. Features: Corrosion Resistance: Excellent resistance to both uniform and localized corrosion, even in chloride-rich environments such as seawater. High Mechanical Strength: Delivers outstanding load-bearing capacity, enabling the use of thinner wall sections for lighter system design. Long Service Life: Built for durability in extreme conditions, reducing maintenance and replacement costs over time. Stress Corrosion Resistance: Provides safety in high-stress, high-temperature, and aggressive chemical conditions. Industry Versatility: Widely used in offshore platforms, chemical plants, desalination units, marine vessels, and high-performance piping systems. Cost Efficiency: High strength and corrosion resistance allow for optimized system design with reduced material usage. Ladhani Metal Corporation ensures that each DIN 2558 Super Duplex Flange is manufactured using advanced technology and strict quality control processes. These flanges deliver the strength, reliability, and corrosion resistance required in the most challenging industrial applications—offering a dependable, long-term solution for critical infrastructure. #din2558 #din2558flanges #din2558superduplexflanges #flanges

DIN 2545 Super Duplex flanges are specifically designed to offer outstanding strength and resistance to corrosion, especially in highly aggressive environments. Ladhani Metal Corporation supplies these high-performance flanges made from super duplex stainless steel, combining the advantages of both austenitic and ferritic structures to achieve superior mechanical properties and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. With a pressure rating of PN 40, these flanges can withstand pressures up to 40 bar, ensuring reliable and safe performance in demanding applications such as offshore oil and gas, chemical processing, and marine industries. Types of DIN 2545 Super Duplex Flanges: Flat Face Flanges (FF) – These flanges have a flat sealing surface, suitable for low-pressure systems where uniform distribution of sealing force is needed. Raised Face Flanges (RF) – These flanges feature a raised area around the bolt holes, providing higher sealing pressure and better performance in higher-pressure environments. Ring-Type Joint (RTJ) Flanges – Designed with a groove to accommodate a metal sealing ring, these flanges are ideal for use in high-pressure and high-temperature systems. Grades and Chemical Composition: Super Duplex 2507 (UNS S32750) Chemical Composition: Chromium (Cr): 25% Nickel (Ni): 7% Molybdenum (Mo): 4% Nitrogen (N): 0.27% Iron (Fe): Balance This composition provides a remarkable combination of properties: Corrosion Resistance: Excellent protection against pitting, crevice corrosion, and stress corrosion cracking, even in environments containing chlorides or other aggressive chemicals. High Strength: The high molybdenum and nitrogen content enhance both the strength and corrosion resistance of the material, making it ideal for applications in highly corrosive, high-pressure environments. Ductility and Toughness: Despite its high strength, Super Duplex 2507 maintains good ductility, which is crucial Super Duplex 2507 is a high-alloy material known for its exceptional resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. It is used in the most demanding applications, including offshore and subsea oil and gas, where high pressures and harsh environments are common. The enhanced molybdenum and nitrogen content provide superior mechanical strength and corrosion resistance. PN 40 Pressure Rating: The "PN" rating indicates the flange's pressure capacity. With PN 40, the flange is rated to handle pressures up to 40 bar, making it suitable for high-pressure applications where reliability and leak-free connections are essential. Applications: DIN 2545 Super Duplex flanges with PN 40 are widely used in industries that require superior performance under extreme conditions. Common applications include: Oil and Gas Industry: Offshore Platforms and Subsea Pipelines: Super duplex flanges are commonly used in offshore oil and gas platforms where exposure to seawater and harsh conditions requires materials with superior resistance to corrosion. Downhole Equipment: These flanges are ideal for equipment used in oil extraction, such as wellhead connections, blowout preventers, and pipeline systems under high pressure. Chemical and Petrochemical Industry: High-Pressure Reactors and Heat Exchangers: Super duplex flanges are essential in systems handling aggressive chemicals, such as acids, alkalis, and chloride-containing compounds, where both high strength and corrosion resistance are critical. Pipelines for Petrochemical Transport: Used in the transportation of petrochemicals and refined products, offering durability against corrosive chemicals and high temperatures. Marine and Offshore Applications: Seawater Cooling Systems: The excellent corrosion resistance of super duplex steel makes these flanges ideal for marine cooling systems, including seawater pumps and piping systems on ships and offshore platforms. Desalination Plants: Super duplex flanges are used in seawater desalination systems, where they help resist the corrosive effects of saltwater. Power Generation Industry: Nuclear and Fossil Fuel Plants: Super duplex flanges are employed in high-pressure steam lines, cooling systems, and heat exchangers where both strength and resistance to corrosion and erosion are necessary. Geothermal Energy Systems: Used in geothermal plants where high-temperature, aggressive fluids may cause corrosion, super duplex flanges ensure long-lasting performance. Conclusion: Ladhani Metal Corporation ensures that each Super Duplex flange meets stringent quality standards and is manufactured to exact specifications, ensuring durability and long-lasting performance in the most challenging environments. #din2545 #din2545flanges #din2545superduplexflanges #flanges