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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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Inconel Flange

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.

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Stainless Steel Flanges

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.

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Duplex Flanges

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

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Inconel flanges

DIN 2633 Inconel flanges PN 16 are precision-engineered weld neck flanges manufactured to the DIN 2633 standard, specifically designed for use in high-temperature and highly corrosive industrial environments. These flanges offer secure, pressure-resistant connections for pipeline systems operating at up to 16 bar (232 psi). Fabricated from premium Inconel alloys such as 600, 625, and 718, they provide excellent resistance to oxidation, thermal stress, and corrosive chemicals, making them ideal for extreme service conditions across various industries. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Inconel flanges, known for its commitment to material integrity, precision engineering, and strict compliance with international quality standards. Each flange is subjected to thorough inspections to meet performance, safety, and durability expectations. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for high-performance pipeline systems requiring resistance to thermal cycling, corrosion, and pressure fluctuation. Flange Type: • Weld Neck Flanges Long tapered hub design ensures smooth fluid transitions and reduces mechanical stress at the base, offering strong and vibration-resistant joints. • Flat Face (FF) Flanges Promotes even gasket loading and is compatible with soft or cast-mating components, enhancing sealing efficiency and system longevity. Inconel Grades and Full Composition: Inconel 600 • Nickel (Ni): ≥ 72.0% • Chromium (Cr): 14.0 – 17.0% • Iron (Fe): 6.0 – 10.0% • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.0% • Silicon (Si): ≤ 0.5% • Sulfur (S): ≤ 0.015% Applications: Ideal for high-temperature furnace components, chemical processing, and food equipment exposed to acidic and alkaline environments. Inconel 625 • Nickel (Ni): 58.0% min • Chromium (Cr): 20.0 – 23.0% • Molybdenum (Mo): 8.0 – 10.0% • Niobium (Nb) + Tantalum (Ta): 3.15 – 4.15% • Iron (Fe): ≤ 5.0% • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 0.5% • Silicon (Si): ≤ 0.5% Applications: Suitable for seawater systems, offshore oil and gas equipment, aerospace ducting, and high-strength chemical processing. Inconel 718 • Nickel (Ni): 50.0 – 55.0% • Chromium (Cr): 17.0 – 21.0% • Iron (Fe): Balance • Niobium (Nb) + Tantalum (Ta): 4.75 – 5.5% • Molybdenum (Mo): 2.8 – 3.3% • Titanium (Ti): 0.65 – 1.15% • Aluminum (Al): 0.2 – 0.8% • Carbon (C): ≤ 0.08% Applications: Extensively used in aerospace engines, turbine components, cryogenic storage tanks, and high-strength fasteners due to excellent fatigue, creep, and rupture resistance. Applications of DIN 2633 Inconel Flanges PN 16: • Petrochemical and Refining Industries Withstands exposure to high-temperature hydrocarbons, acids, and corrosive gases. • Marine and Offshore Installations Corrosion-resistant in saltwater and high-pressure environments, ideal for subsea and topside systems. • Aerospace and Power Generation Used in turbine and exhaust systems where strength retention at elevated temperatures is critical. • Chemical Processing Plants Stable under acidic, oxidizing, and reducing agents in continuous and batch processing systems. • Heat Exchangers and Reactors Reliable performance in thermal cycling and aggressive fluid handling applications. Key Features: • Designed in accordance with DIN 2633 specifications • Rated PN 16 for secure medium-pressure operation • Weld neck design improves alignment and minimizes mechanical stress • Available in Inconel grades 600, 625, and 718 • Exceptional resistance to high-temperature oxidation and corrosion • High tensile strength and fatigue resistance under mechanical loads • Tailored dimensions, surface finishes, and specifications available upon request Conclusion: DIN 2633 Inconel Flanges PN 16 from Ladhani Metal Corporation are engineered to meet the toughest demands of modern industry. Offering excellent resistance to high-temperature and corrosive environments, these flanges made from Inconel 600, 625, and 718 are ideal for critical applications across aerospace, petrochemical, marine, and power generation sectors. For detailed product options, technical support, or a customized quote, contact Ladhani Metal Corporation today.

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Titanium flanges

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.

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Carbon Steel Flanges

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

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Super Duplex Flanges

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.

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Monel Flanges

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.

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