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Super Duplex Flanges

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.

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Super duplex flanges

DIN 2630 Super Duplex flanges PN 2.5 are precision-manufactured weld neck flanges produced according to the DIN 2630 standard, designed for low-pressure applications up to 2.5 bar (36.25 psi). These flanges are made from Super Duplex stainless steel alloys such as UNS S32750, which combine exceptional strength with outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Engineered for highly corrosive environments, Super Duplex flanges provide reliable performance in low-pressure piping systems exposed to seawater, chemical agents, and extreme conditions. Ladhani Metal Corporation is a leading global supplier and manufacturer of Super Duplex flanges, known for delivering high-quality, precision-engineered products. Our DIN 2630 PN 2.5 Super Duplex weld neck flanges are widely used in offshore oil and gas, chemical processing, marine, and desalination industries where durability and corrosion resistance are paramount. Each flange undergoes stringent quality inspections to ensure compliance with international standards and customer specifications. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Suitable for low-pressure systems requiring superior material properties for corrosion and mechanical resistance. Flange Type: • Weld Neck Flanges Designed with a long tapered hub to optimize stress distribution and reduce turbulence, ensuring structural integrity and smooth fluid flow in critical piping applications. • Flat Face (FF) Flanges Flat face flanges provide uniform gasket compression, ideal for mating with cast components or soft gasket materials in low-pressure settings. Super Duplex Grade and Full Composition: Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.24 – 0.32% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.8% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Offers exceptional resistance to chloride-induced corrosion, stress corrosion cracking, and pitting, combined with high mechanical strength. Widely used in offshore platforms, chemical tanks, heat exchangers, and seawater systems. Applications of DIN 2630 Super Duplex Flanges PN 2.5: • Offshore Oil and Gas Ideal for piping systems exposed to seawater, sour gas, and corrosive environments on offshore rigs and platforms. • Chemical Processing Used in handling aggressive chemicals and chloride-rich process fluids under low-pressure conditions. • Desalination Plants Suitable for brine and seawater systems requiring high corrosion resistance and mechanical strength. • Marine Industry Applied in seawater cooling, ballast, and exhaust systems where durability against corrosion is critical. Key Features: • Manufactured in accordance with DIN 2630 standards • PN 2.5 pressure class designed for low-pressure applications • Weld neck design ensures optimal stress handling and reduced turbulence • Flat face option for effective gasket sealing with soft materials • Made from Super Duplex 2507 alloy for superior corrosion and mechanical properties • High strength-to-weight ratio and excellent resistance to chloride and stress corrosion • Custom sizes, finishes, and specifications available upon request Conclusion: DIN 2630 Super Duplex Flanges PN 2.5 from Ladhani Metal Corporation offer a robust solution for low-pressure piping systems operating in highly corrosive and demanding environments. Combining high strength and outstanding corrosion resistance, these flanges are trusted in offshore, chemical, marine, and desalination applications. For customized solutions, technical support, or pricing inquiries, contact Ladhani Metal Corporation.

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Super Duplex Flange

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

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Super Duplex Steel Flanges

DIN 2569 Super Duplex Steel Flanges PN 100 are precision-engineered welding neck flanges manufactured from corrosion-resistant super duplex stainless steel, specifically designed to withstand extreme mechanical stress and harsh environments. Built to DIN 2569 standards, these flanges offer superior strength, pitting resistance, and durability, making them ideal for use in offshore, marine, chemical, petrochemical, and water treatment industries. Ladhani Metal Corporation is a reputable manufacturer and exporter of super duplex steel flanges, delivering products that comply with international quality standards. The welding neck design ensures high-integrity, leak-proof connections—perfect for applications with fluctuating pressure, high temperatures, and aggressive media. Pressure Rating: • PN 100 (100 bar / 1450 psi): Specifically designed for high-pressure systems requiring robust sealing performance, excellent corrosion resistance, and structural strength in corrosive and high-stress environments. Flange Types: • Welding Neck Flanges Provide a tapered hub for stress distribution, ideal for high-pressure and corrosive piping systems. • Raised Face (RF) Flanges Facilitates effective gasket compression and sealing under elevated pressure and temperature. • Flat Face (FF) Flanges Used for connections with flat-faced components or non-metallic sealing materials. • Forged Welding Neck Flanges Offer enhanced strength, dimensional precision, and pressure resistance. • Custom-Machined Flanges Available in a wide range of sizes, pressure classes, and super duplex steel grades to meet specific project requirements. Super Duplex Steel Grade and Composition: 1. ASTM A182 F53 (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% • Manganese (Mn): ≤ 1.20% • Carbon (C): ≤ 0.030% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.020% Applications: Ideal for use in highly corrosive conditions such as offshore platforms, subsea piping, desalination systems, pressure vessels, and high-pressure chemical reactors. Provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Applications of DIN 2569 Super Duplex Steel Flanges: • Oil and Gas Pipelines: Used in high-pressure, high-corrosion subsea and offshore piping systems. • Offshore and Marine Engineering: Installed in seawater cooling lines, risers, and ballast systems for maximum corrosion resistance. • Petrochemical and Refinery Units: Applied in reactors, columns, and corrosive process piping exposed to high stress and aggressive chemicals. • Water Treatment and Desalination: Used in brine systems, RO pipelines, and chemical dosing lines requiring high strength and pitting resistance. • Pulp and Paper Industry: Employed in bleach plants and digester lines handling chlorinated compounds under pressure. Key Features: • Manufactured to DIN 2569 standard • Available in PN 100 pressure rating • High strength and corrosion resistance • Superior pitting and stress corrosion cracking resistance • Excellent performance in marine and chemical environments • Designed for permanent, high-pressure pipe connections • Supplied with test certificates, quality assurance documents, and full material traceability • Can be surface-treated with pickling, passivation, or shot blasting Conclusion: DIN 2569 Super Duplex Steel Flanges PN 100 from Ladhani Metal Corporation offer premium strength, safety, and corrosion resistance for demanding environments. Suitable for a wide range of critical applications, these flanges are available in custom sizes and pressure classes. For technical details, orders, or consultation, contact Ladhani Metal Corporation today.

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Super Duplex Flanges

DIN 2568 Super Duplex Steel Flanges PN 64 are premium-grade threaded flanges manufactured from high-performance super duplex stainless steel, designed to withstand extreme mechanical loads and highly corrosive environments. In compliance with DIN 2568 standards, these flanges offer exceptional strength, superior resistance to pitting and crevice corrosion, and excellent performance under high pressure and temperature variations, making them ideal for demanding applications in offshore, petrochemical, marine, and desalination industries. Ladhani Metal Corporation is a renowned manufacturer and exporter of super duplex flanges, supplying components that meet stringent global standards for quality, precision, and reliability. The threaded design ensures weld-free, easy installation and removal, making these flanges highly suitable for systems requiring quick assembly and periodic maintenance. Pressure Rating: • PN 64 (64 bar / 928 psi): Engineered for high-pressure and aggressive service conditions where material integrity and corrosion resistance are critical. Flange Types: • Threaded (Screwed) Flanges Facilitates rapid, weld-free assembly and disassembly, particularly in maintenance-intensive systems. • Raised Face (RF) Flanges Improves sealing effectiveness in high-pressure applications by concentrating gasket compression. • Flat Face (FF) Flanges Ideal for systems with flat mating surfaces, especially where non-metallic or brittle materials are used. • Forged Threaded Flanges Manufactured for enhanced strength, dimensional accuracy, and resilience in corrosive environments. • Custom-Machined Flanges Available in various sizes, sealing types, and super duplex grades, tailored to meet specific project requirements. Available Super Duplex Grades and Composition: 1. Super Duplex Steel 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% • Nitrogen (N): 0.20 – 0.30% • Carbon (C): ≤ 0.030% Applications: Used in highly corrosive environments such as seawater systems, desalination plants, and chemical reactors where maximum corrosion protection and mechanical strength are required. Applications of DIN 2568 Super Duplex Flanges: • Offshore and Subsea Engineering: Designed for long-term performance in saltwater, high-pressure, and submerged environments. • Oil and Gas Sector: Used in sour service, high-pressure pipelines, separators, and riser systems. • Chemical and Petrochemical Plants: Resistant to aggressive media such as chlorides, acids, and organic solvents. • Desalination and Water Treatment: Ideal for use in reverse osmosis systems, brine handling, and filtration modules. • Power Generation and Marine Infrastructure: Installed in heat exchangers, cooling systems, and seawater intake structures. Key Features: • Manufactured according to DIN 2568 specifications • Rated for PN 64 high-pressure service • Outstanding resistance to corrosion, pitting, and chloride-induced stress cracking • High yield strength and fatigue resistance • Threaded connection allows for easy, non-permanent assembly • Supplied with test certificates, MTCs, and full material traceability • Surface finish and machining available as per customer requirement Conclusion: DIN 2568 Super Duplex Flanges PN 64 from Ladhani Metal Corporation represent the ideal solution for high-pressure, highly corrosive, and mechanically challenging environments. With exceptional durability, corrosion protection, and installation efficiency, these flanges are engineered for performance and reliability. For custom dimensions, technical support, or grade selection, contact Ladhani Metal Corporation today

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Super Duplex 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

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inconel flanges

DIN 2543 Inconel Flanges are flanges made from Inconel, a group of nickel-chromium superalloys known for their excellent corrosion resistance, high strength, and ability to withstand high temperatures. These flanges are often used in extreme environments where both heat resistance and corrosion resistance are required, such as in aerospace, chemical processing, and power generation industries. Material: Typically made from Inconel alloys, most commonly Inconel 600, Inconel 625, and Inconel 718. Pressure Rating (PN16): Rated for 16 bar (approx. 232 psi) at 20°C (68°F), making them suitable for medium-pressure applications. Key Features of DIN 2543 Inconel Flanges: Corrosion Resistance: Inconel alloys offer excellent resistance to corrosion, particularly in high-temperature environments. High-Temperature Strength: Inconel flanges maintain their strength even at high temperatures (up to around 1000°C/1832°F), which makes them well-suited for use in gas turbines, furnaces, and heat exchangers. Durability: Inconel materials are designed to provide long-lasting durability under high-stress and high-temperature conditions, even in aggressive corrosive environments. Weldability: Inconel alloys are generally weldable, though careful attention must be given to the welding process to avoid any cracking or other issues associated with high-temperature alloys. Types of Inconel Flanges (DIN 2543): Weld Neck Flanges (WN): These flanges have a long neck that provides additional strength by allowing for a strong weld between the flange and the pipe. Ideal for high-pressure and high-temperature systems. Slip-On Flanges (SO): These flanges slide over the pipe and are welded inside and outside. They are easy to install and are commonly used in medium-pressure applications. Blind Flanges (BL): Used to seal the end of a piping system, preventing the flow of fluids. These flanges do not have a hole in the center. Socket Weld Flanges (SW): These flanges have a socket for the pipe to fit into, which is then welded. They are used in small-bore systems where high-pressure conditions are present. Lap Joint Flanges (LJ): These flanges are paired with a lap joint stub end. They allow easy alignment and disassembly, making them ideal for systems that require frequent maintenance. Common Inconel Grades for DIN 2543 Flanges: Inconel 600: Composition: Approximately 72% nickel, 14-17% chromium, and 6-10% iron. Properties: Excellent resistance to oxidation and corrosion at high temperatures, especially in sulfuric acid and chloride environments. Inconel 625: Composition: Approximately 58% nickel, 22% chromium, and 9% molybdenum. Properties: Outstanding resistance to both high temperatures and a wide range of corrosive environments, including seawater, acids, and oxidizing environments. Inconel 718: Composition: Approximately 50-55% nickel, 17-21% chromium, and 4-5% molybdenum. Properties: Known for its high strength and resistance to heat, oxidation, and corrosion, especially in high-temperature environments. Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (approx. 232 psi) at 20°C (68°F). #flanges #din2543 #din2543inconelflanges #inconelflanges

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Duplex Flanges

DIN 2634 duplex steel 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 made from premium duplex stainless steel grades, offering exceptional corrosion resistance, excellent mechanical strength, and superior resistance to stress corrosion cracking in harsh environments. Their robust construction makes them ideal for demanding industrial applications where reliability and durability are critical. Ladhani Metal Corporation is a trusted global manufacturer and supplier of duplex steel flanges, known for advanced manufacturing capabilities, precision machining, and strict adherence to international quality standards. Each flange undergoes thorough inspection and testing to ensure long-term reliability, safety, and resistance to extreme operating conditions. Pressure Rating: • PN 25 (25 bar / 362 psi): Designed for high-pressure systems requiring corrosion-resistant and mechanically robust flange connections. Flange Type: • Weld Neck Flanges Featuring an extended tapered hub, weld neck flanges provide excellent stress distribution at the base, ensuring strong and leak-proof joints in systems exposed to high pressure and thermal cycling. • Flat Face (FF) Flanges Ideal for use with softer gasket materials or in systems connecting to cast components, flat face flanges offer consistent and uniform gasket compression. Duplex Steel Grades and Typical Composition: Duplex Stainless Steel 2205 (UNS S32205 / S31803) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Iron (Fe): Balance Applications: Preferred in environments with chloride exposure, such as seawater, chemical processing, and pulp and paper industries, due to excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Duplex Stainless Steel 2507 (UNS S32750) – Super Duplex • Chromium (Cr): 24 – 26% • Nickel (Ni): 6 – 8% • Molybdenum (Mo): 3.5 – 4.5% • Nitrogen (N): 0.24 – 0.32% • Iron (Fe): Balance Applications: Used in the most aggressive environments including offshore oil and gas, desalination plants, and chemical processing where enhanced corrosion resistance and high mechanical strength are critical. Applications of DIN 2634 Duplex Steel Flanges PN 25: • Offshore and Marine Systems Resists corrosion from seawater and aggressive chloride environments while maintaining strength under pressure. • Chemical and Petrochemical Processing Ideal for transporting corrosive chemicals such as acids, alkalis, and chlorides at elevated pressures. • Desalination Plants Performs exceptionally in saltwater treatment systems exposed to high pressure and corrosive media. • Oil and Gas Industry Used in pipelines and pressure vessels requiring resistance to chloride-induced stress corrosion cracking. • Pulp and Paper Industry Applied in aggressive bleaching and chemical processing environments. Key Features: • Manufactured in accordance with DIN 2634 dimensional and pressure requirements • PN 25 pressure rating supports high-pressure applications • Excellent corrosion resistance including pitting, crevice, and stress corrosion cracking resistance • Superior mechanical strength and toughness at elevated temperatures • Weld neck configuration ensures strong, vibration-resistant joints • Available in standard duplex and super duplex grades • Custom sizes, pressure classes, and surface finishes available upon request Conclusion: DIN 2634 duplex steel flanges PN 25 from Ladhani Metal Corporation are engineered for challenging environments where corrosion resistance, mechanical strength, and pressure integrity are critical. With superior durability and reliability, these duplex steel flanges are ideal for demanding applications in marine, chemical, oil and gas, and industrial systems. For technical consultations, specialized requirements, or pricing information, contact Ladhani Metal Corporation today.

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Super Duplex Flanges

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

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