DIN 2634 carbon steel flanges PN 25 are high-strength weld neck flanges manufactured according to the DIN 2634 standard. Specifically designed for use in high-pressure piping systems operating up to 25 bar (362 psi), these flanges offer excellent mechanical performance and are suitable for a wide range of industrial applications. Manufactured from quality carbon steel, they provide strong, durable, and cost-effective solutions for systems where corrosion resistance requirements are moderate but structural integrity is critical. Ladhani Metal Corporation is a recognized manufacturer and global supplier of carbon steel flanges, known for precision engineering, strict adherence to international standards, and advanced production capabilities. Each flange is subject to comprehensive testing and inspection to ensure reliability and consistent performance under demanding operating conditions. Pressure Rating: • PN 25 (25 bar / 362 psi): Suitable for medium to high-pressure applications where strength and impact resistance are essential. Flange Type: • Weld Neck Flanges Designed with a tapered hub to ensure smooth transition from flange to pipe, weld neck flanges are ideal for systems experiencing frequent thermal cycling, pressure fluctuations, and mechanical stress. • Flat Face (FF) Flanges Recommended for use with gaskets made from soft materials or when connecting to cast iron components, flat face flanges ensure even gasket compression and reliable sealing performance. Carbon Steel Grades and Typical Composition: Carbon Steel (ASTM A105 / C22.8 equivalent) – Forged Carbon Steel • Carbon (C): ≤ 0.35% • Manganese (Mn): 0.60 – 1.05% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.10 – 0.35% • Iron (Fe): Balance Applications: Commonly used in oil and gas, petrochemical, water transmission, and power generation industries, especially in applications where high mechanical strength and pressure handling are more critical than corrosion resistance. Applications of DIN 2634 Carbon Steel Flanges PN 25: • Oil and Gas Pipelines Widely used in upstream and downstream systems for fluid transport under high pressure. • Petrochemical and Refining Plants Efficiently handles high-pressure flow systems involving hydrocarbons and steam. • Power Plants and Boiler Systems Suited for high-pressure steam and water lines, offering excellent tensile strength and fatigue resistance. • Water and Wastewater Infrastructure Used in municipal and industrial pipelines requiring cost-effective, robust flange connections. • General Industrial Systems Applicable in a wide range of mechanical systems and processing plants handling non-corrosive or mildly corrosive media. Key Features: • Compliant with DIN 2634 pressure and dimensional standards • PN 25 rating ensures compatibility with high-pressure pipelines • High tensile and yield strength for demanding structural requirements • Weld neck design enhances resistance to vibration and thermal expansion • Cost-effective solution for pressure-bearing connections • Available in standard and custom sizes, surface finishes, and pressure ratings • Heat treatment and coating options available upon request Conclusion: DIN 2634 carbon steel flanges PN 25 from Ladhani Metal Corporation provide a robust and economical solution for high-pressure systems where mechanical performance is essential. Their strength, reliability, and adaptability make them a preferred choice across industries such as oil and gas, power generation, and water infrastructure. For technical specifications, custom configurations, or pricing, contact Ladhani Metal Corporation today.

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

DIN 2630 titanium flanges PN 2.5 are low-pressure weld neck flanges manufactured in accordance with the DIN 2630 standard. Designed to handle pressure ratings up to 2.5 bar (36.25 psi), these flanges are ideal for applications that demand lightweight, corrosion-resistant, and high-performance materials in non-critical or low-pressure environments. Made from high-grade titanium alloys such as Grade 2 and Grade 5 (Ti-6Al-4V), these flanges offer outstanding resistance to corrosion, especially in seawater, chlorine-rich, and oxidizing environments. Ladhani Metal Corporation is a leading global manufacturer and supplier of titanium flanges, recognized for engineering excellence and quality assurance. Our DIN 2630 PN 2.5 titanium weld neck flanges are widely used in sectors including marine, desalination, medical equipment, aerospace, and low-pressure chemical processing. With a focus on longevity and material efficiency, Ladhani Metal Corporation delivers flanges that meet stringent international standards for performance and safety. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Suitable for lightweight, low-pressure systems requiring exceptional corrosion resistance and long service life. Flange Type: • Weld Neck Flanges Designed with a long tapered hub that provides stress reinforcement and reduces turbulence at the pipe connection. Ideal for ensuring structural integrity in precision-engineered piping systems. • Flat Face (FF) Flanges Flat face design allows for even gasket compression and is ideal for mating with cast or softer materials in low-pressure setups. Titanium Grades and Full Composition: Titanium Grade 2 (UNS R50400) • Titanium (Ti): ≥ 98.9% • Iron (Fe): ≤ 0.30% • Oxygen (O): ≤ 0.25% • Carbon (C): ≤ 0.08% • Nitrogen (N): ≤ 0.03% • Hydrogen (H): ≤ 0.015% Applications: Unalloyed titanium with excellent corrosion resistance in oxidizing and mildly reducing environments. Common in marine piping, desalination plants, and chemical systems. Titanium Grade 5 (Ti-6Al-4V / UNS R56400) • 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: High-strength alloy with superior corrosion resistance. Used in aerospace, offshore equipment, and high-performance medical devices. Applications of DIN 2630 Titanium Flanges PN 2.5: • Marine and Offshore Systems Ideal for saltwater environments and seawater cooling lines due to superior corrosion resistance. • Chemical and Pharmaceutical Equipment Used in low-pressure, high-purity chemical handling systems. • Aerospace and Defense Applied in lightweight structural components where corrosion resistance and strength-to-weight ratio are critical. • Medical and Biomedical Devices Used in non-pressurized piping for medical processing and cleanroom environments. Key Features: • Manufactured according to DIN 2630 standards • PN 2.5 pressure class for non-critical, low-pressure applications • Lightweight and strong titanium construction • Weld neck design for superior mechanical performance • Exceptional corrosion resistance in aggressive environments • Available in titanium Grade 2 and Grade 5 • Flat face option for uniform sealing in sensitive applications • Custom sizes, finishes, and material options available upon request Conclusion: DIN 2630 Titanium Flanges PN 2.5 from Ladhani Metal Corporation offer a premium solution for industries requiring superior corrosion resistance, lightweight performance, and precision-engineered flange components for low-pressure service. Whether for marine, chemical, or high-tech applications, these titanium weld neck flanges deliver long-term reliability and material integrity. Contact Ladhani Metal Corporation for customized specifications, technical support, or detailed pricing.

DIN 2567 duplex flanges PN 25 and PN 40 are high-performance threaded flanges manufactured according to DIN 2567 standards, specifically engineered for applications requiring superior strength, corrosion resistance, and long service life in aggressive environments. These flanges are ideal for medium to high-pressure systems and are widely used in industries such as oil & gas, petrochemicals, marine, and wastewater treatment. Ladhani Metal Corporation is a trusted manufacturer and global supplier of duplex flanges, offering precision-machined components designed to withstand stress, temperature fluctuations, and corrosive operating conditions. The threaded configuration enables quick, weld-free assembly, making them suitable for systems requiring routine inspection or maintenance. Pressure Ratings: • PN 25 (25 bar / 362 psi): Suitable for demanding fluid systems operating under moderate to high pressure. • PN 40 (40 bar / 580 psi): Built to handle high-pressure flow systems and aggressive environments, ensuring safety and durability under load. Flange Types: • Threaded (Screwed) Flanges Allow for easy connection and disassembly without welding; ideal for maintenance-accessible systems. • Raised Face (RF) Flanges Enhances gasket performance by focusing sealing pressure in a smaller contact area. • Flat Face (FF) Flanges Common in systems using brittle or non-metallic materials, especially in low-to-medium pressure operations. • Forged Threaded Flanges Deliver greater mechanical strength and improved dimensional accuracy. • Custom-Machined Flanges Offered in customized sizes, pressure classes, and duplex material grades to meet project-specific needs. Duplex Steel Grades and Composition: 1. Duplex 2205 (UNS S31803 / S32205) o Composition:  Chromium (Cr): 21.0 – 23.0%  Nickel (Ni): 4.5 – 6.5%  Molybdenum (Mo): 2.5 – 3.5%  Manganese (Mn): ≤ 2.0%  Nitrogen (N): 0.14 – 0.20%  Carbon (C): ≤ 0.03%  Silicon (Si): ≤ 1.0%  Iron (Fe): Balance Applications: Used in desalination plants, offshore platforms, heat exchangers, and pressure vessels due to its excellent chloride stress corrosion cracking resistance and high mechanical strength. Applications of DIN 2567 Duplex Flanges: • Oil & Gas Industry: Used in pipeline systems, separators, and subsea manifolds • Chemical and Petrochemical Plants: Withstand aggressive chemical exposure, including acids and chlorides • Desalination and Marine Engineering: Excellent performance in saltwater environments • Power Plants: Durable for use in high-pressure steam and cooling water systems • Wastewater Treatment: Corrosion-resistant in sludge, brine, and industrial effluent pipelines • Pulp and Paper Industry: Withstands acidic environments and mechanical abrasion Key Features: • Manufactured as per DIN 2567 standard • Available with PN 25 and PN 40 pressure ratings • High yield strength and stress corrosion cracking resistance • Superior resistance to pitting, crevice corrosion, and chloride-rich environments • Excellent mechanical and fatigue properties under both static and dynamic loading • Supplied with inspection certificates, testing reports, and full material traceability • Compatible with internal linings, coatings, or passivation treatments Conclusion: DIN 2567 duplex flanges PN 25 and PN 40 from Ladhani Metal Corporation are engineered for tough environments where standard stainless steel may fail. With their excellent strength, corrosion resistance, and long-term reliability, these flanges provide a safe and efficient connection solution for critical industrial systems. For detailed specifications, custom requirements, or bulk inquiries, reach out to Ladhani Metal Corporation today.

DIN 2567 titanium flanges are precision-engineered threaded flanges designed for high-performance, medium-to-high-pressure piping systems. Manufactured according to the DIN 2567 standard, these flanges offer exceptional resistance to corrosion, extreme temperatures, and aggressive media. The threaded design allows for easy, weld-free installation, making them ideal for applications where frequent maintenance or system modifications are required. Ladhani Metal Corporation is a leading manufacturer and exporter of titanium flanges, supplying durable and high-quality components for industries that demand superior corrosion resistance and mechanical strength. DIN 2567 titanium flanges are widely used in marine, chemical, aerospace, and water treatment systems. Pressure Ratings: • PN 25 (25 bar / 362 psi): Suitable for moderate to high-pressure systems handling corrosive fluids or gases. Ideal for chemical, marine, and water treatment applications. • PN 40 (40 bar / 580 psi): Designed for high-pressure, high-performance environments requiring maximum reliability and resistance to mechanical stress. Commonly used in offshore, aerospace, and power generation systems. Flange Types: • Threaded (Screwed) Flanges Quick and convenient for non-welded, removable connections in high-purity or corrosive systems. • Raised Face (RF) Flanges Designed to enhance sealing efficiency by focusing compression on the gasket area. • Flat Face (FF) Flanges Ideal for use with non-metallic or brittle mating materials in low-to-medium pressure environments. • Forged Threaded Flanges Provide enhanced mechanical integrity, dimensional precision, and impact resistance. • Custom-Machined Flanges Available in customer-specified sizes, pressure ratings (PN 25, PN 40), and titanium grades. Titanium Grades and Composition: Grade 2 (Commercially Pure Titanium) Composition: Titanium (Ti): ≥ 98.9% Iron (Fe): ≤ 0.30% Oxygen (O): ≤ 0.25% Carbon (C): ≤ 0.08% Nitrogen (N): ≤ 0.03% Hydrogen (H): ≤ 0.015% Grade 5 (Titanium Alloy – Ti-6Al-4V) Composition: 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 of DIN 2567 Titanium Flanges: • Chemical Processing: Resists corrosion from strong acids, solvents, and chlorides • Marine and Offshore Engineering: Performs reliably in saltwater environments and subsea installations • Aerospace and Defense: Used in lightweight, high-strength fuel and hydraulic systems • Power Generation: Handles steam and chemical media in nuclear and thermal power plants • Water & Wastewater Treatment: Ideal for high-purity systems, brine lines, and filtration units • Medical and Pharmaceutical: Suitable for bio-compatible and sterile fluid transport systems Key Features: • Manufactured to DIN 2567 standard • Available in PN 25 and PN 40 pressure ratings • Superior resistance to corrosion, erosion, and chemical attack • Lightweight structure with high tensile strength • Easy installation with threaded connections—no welding required • Suitable for both cryogenic and elevated temperature conditions Conclusion: DIN 2567 titanium flanges PN 25 and PN 40 from Ladhani Metal Corporation are the ideal choice for demanding, corrosion-sensitive environments. Combining strength, lightweight construction, and superior corrosion resistance, these flanges deliver long-lasting performance in critical applications across various industries. For detailed specifications, custom designs, or bulk orders, contact Ladhani Metal Corporation today.

DIN 2566 super duplex flanges PN 16 are engineered for superior mechanical strength and excellent corrosion resistance in medium-pressure threaded piping systems. These flanges are manufactured in accordance with DIN 2566 standards and are designed for use in harsh environments where conventional stainless steel flanges may not perform reliably. With a threaded, non-welded design, they are ideal for systems that require ease of installation and frequent maintenance access. Ladhani Metal Corporation is a reputed manufacturer and exporter of super duplex stainless steel flanges, offering high-performance products with excellent dimensional accuracy, strength, and resistance to pitting, crevice corrosion, and stress corrosion cracking. These flanges are well-suited for demanding industries such as oil and gas, desalination, chemical processing, and offshore engineering. Flange Types: • Threaded (Screwed) Flanges: Quick and easy to install without welding; ideal for systems that require regular disassembly or adjustments. • Raised Face (RF) Flanges: Enhances gasket compression by focusing pressure on a smaller surface area for improved sealing. • Flat Face (FF) Flanges: Used in systems with flat-sealing surfaces, especially in low-pressure or brittle material connections. • Forged Threaded Flanges: Manufactured through precision forging to achieve superior strength, tight tolerances, and impact resistance. • Custom-Machined Flanges: Available in custom sizes, pressure ratings, and face types as per project specifications. Available Super Duplex Grade and Composition: 1. 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% • Carbon (C): ≤ 0.030% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.80% Applications: Super Duplex 2507 is used in highly corrosive environments where strength and corrosion resistance are paramount. Typical applications include subsea and offshore structures, chemical process systems, high-salinity water handling, pressure vessels, and marine components. Applications of DIN 2566 Super Duplex Flanges: • Offshore Oil & Gas: Withstands harsh subsea conditions and sour service • Desalination and Water Treatment: Excellent in brine and chlorinated environments • Chemical and Petrochemical Industries: Handles aggressive process chemicals with ease • Marine and Shipbuilding: High durability in saltwater and humid environments • Structural and High-Pressure Piping: Suitable for critical load-bearing and high-stress systems Key Features: • Manufactured to DIN 2566 standard with PN 16 pressure rating • Exceptional corrosion resistance, especially against chlorides and sulfides • Very high tensile and yield strength • Threaded connection for fast and weld-free installation • Outstanding resistance to stress corrosion cracking and erosion • Supplied with material test certificates, third-party inspection (if required), and traceability documentation Conclusion: DIN 2566 super duplex flanges PN 16 from Ladhani Metal Corporation provide unmatched performance in extreme environments where both high strength and superior corrosion resistance are essential. Engineered for long service life with minimal maintenance, these flanges are the preferred solution for the most demanding industrial and marine applications. For inquiries, technical specifications, or project-based customization, contact Ladhani Metal Corporation today.

DIN 2545 is a German standard for stainless steel flanges, designed for use in piping systems requiring durability, corrosion resistance, and strong mechanical properties. These flanges are commonly used in industries like chemical, petrochemical, food processing, and more. They come in various sizes and configurations for secure and leak-proof connections. The PN 40 rating indicates that these flanges can withstand pressures up to 40 bar (approximately 580 psi) at normal temperatures (typically 20°C or 68°F). Types of DIN 2545 SS Flanges: · Slip-On Flange (SO): A flange that slides over the pipe and is welded inside and outside for a secure connection. · Weld Neck Flange (WN): A flange with a tapered neck that allows for a stronger weld, commonly used in high-pressure applications. · Blind Flange: A flange with no bore used to seal the end of a pipe or vessel. · Threaded Flange: A flange with internal threads that allows it to be screwed onto a pipe without welding. · Socket Weld Flange: Designed for pipes to fit into the socket of the flange, offering good pressure containment in high-temperature applications. · Lap Joint Flange: Used with a stub end and ideal for applications requiring frequent disassembly. Grades and Their Chemical Composition: · Grade 304 (AISI 304): This grade has a chemical composition consisting of 18-20% chromium, 8-10.5% nickel, with a carbon content of up to 0.08%. It also contains small amounts of manganese (2.00-2.50%), silicon (≤ 1.00%), phosphorus (≤ 0.045%), and sulfur (≤ 0.030%), while the rest is iron. It is widely used due to its good corrosion resistance, weldability, and formability. · Grade 316 (AISI 316): The chemical composition of 316 includes 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. It also contains up to 0.08% carbon, 2.00-2.50% manganese, and ≤ 1.00% silicon, with iron making up the balance. The addition of molybdenum provides improved resistance to corrosion, particularly in chloride environments, making it suitable for marine and chemical industries · Grade 321 (AISI 321): This grade has a chemical composition with 17-19% chromium, 9-12% nickel, and a maximum carbon content of 0.08%. It also contains 2.00-2.50% manganese, ≤ 1.00% silicon, and small amounts of phosphorus (≤ 0.045%) and sulfur (≤ 0.030%). The remainder is iron. Grade 321 is stabilized with titanium to prevent sensitization and is highly resistant to intergranular corrosion, making it ideal for high-temperature applications like in the aerospace and chemical industries. Applications: DIN 2545 Stainless Steel Flanges (PN 40) are widely used in various industries due to their superior strength, corrosion resistance, and versatility. These flanges are specifically designed to handle higher pressure ratings (PN 40), making them ideal for demanding applications. Some of the key applications include: -Chemical Processing: Used in the manufacturing of chemicals, pharmaceuticals, and petrochemicals, where high resistance to corrosion is essential. -Oil and Gas Industry: For pipelines, pumps, and valves that transport oil, gas, and other fluids under high pressure. -Water Treatment Plants: Employed in water and wastewater management systems to connect piping and ensure leak-free connections under high pressure. -Food and Beverage Industry: In production systems where hygiene and corrosion resistance are critical, especially in food processing and dairy plants. -Power Generation: For use in power plants in systems such as steam lines and cooling circuits that operate under high-pressure conditions. -Marine and Offshore: Often used in ships, platforms, and offshore structures that are exposed to harsh environmental conditions. -HVAC Systems: In high-pressure heating, ventilation, and air conditioning applications. DIN 2545 Stainless Steel Flanges (PN 40) offer both durability and reliability in these high-pressure applications, ensuring safe and efficient performance in various industries. Conclusion: DIN 2545 SS flanges provide a reliable and robust solution for piping systems across various industries. These flanges are widely used in applications ranging from general industrial use to highly specialized sectors like aerospace, marine, and chemical processing, ensuring safe and efficient operation in demanding environments. The PN 40 rating guarantees they can withstand medium-to-high pressure systems.

DIN 2544 is a standard used in Germany for the design, dimensions, and testing of stainless steel flanges. These flanges are used to connect pipes, valves, pumps, and other equipment to form a piping system. The DIN 2544 standard applies to welded flanges, specifically for high-pressure and temperature applications. Key Features of DIN 2544 Stainless Steel Flanges: Material: The flanges are primarily made from stainless steel, known for its high corrosion resistance, durability, and resistance to high temperatures. This makes them ideal for use in chemical, petrochemical, power generation, and food industries. Function: These flanges provide strong mechanical connections for piping systems. They allow easy disconnection for maintenance and cleaning. Pressure Rating: The pressure class of DIN 2544 flanges is typically PN 25 (pressure nominal 25 bar), meaning they are rated for a maximum working pressure of 25 bar (about 362 psi) at specific temperature conditions. Design: The flanges are designed to withstand high pressure, typically with a thicker body and reinforced sections. They feature a bolt circle diameter that fits the corresponding flange, allowing secure bolted connections. Face Type: Most DIN 2544 flanges come with a flat face, though raised face designs may also be available. Types of DIN 2544 Stainless Steel Flanges: Weld Neck Flanges: These are the most common type, where the flange is welded to the pipe. The neck is long, which makes the connection strong and able to handle high pressure. Slip-On Flanges: These flanges slide over the pipe and are then welded in place. They are commonly used in systems with lower pressure ratings. Blind Flanges: Used to seal the ends of piping systems, they do not have a hole in the center. They are typically used for maintenance and isolation purposes. Threaded Flanges: These flanges have threads on the inner surface, allowing them to be screwed directly onto a threaded pipe. They are used where welding is not possible. Socket Weld Flanges: These flanges have a socket in which the pipe is inserted and then welded in place. They are used in small-diameter piping systems. DIN 2544 Stainless Steel Flanges grades : Grade 304 (1.4301): Composition: 18% Cr, 8% Ni. Properties: Excellent corrosion resistance, good strength, easy to weld, and temperature resistance up to 870°C. Grade 316 (1.4401): Composition: 16-18% Cr, 10-14% Ni, 2-3% Mo. Properties: Superior corrosion resistance, especially against chlorides, and temperature resistance up to 870°C. Grade 321 (1.4541): Composition: 17-19% Cr, 9-12% Ni, Ti (Titanium stabilizer). Properties: Excellent resistance to high temperatures (up to 870°C) and intergranular corrosion, especially in welds. Pressure Rating (PN 25): PN 25 refers to the nominal pressure rating of the flange, which indicates that the flange can handle a maximum pressure of 25 bar (362 psi) at ambient temperature conditions. This pressure class is ideal for medium to high-pressure applications, typically used in systems such as: Steam pipelines Water treatment facilities Petrochemical industries Summary: DIN 2544 stainless steel flanges are reliable components in high-pressure systems.They are essential in industries requiring secure and durable piping systems. #din2544 #din2544ssflanges #ssflanges #stainlesssteelflanges

DIN 2543 flanges are designed to meet the DIN (Deutsches Institut für Normung) standard, and duplex flanges refer to flanges made from duplex stainless steel alloys. Duplex stainless steel is a hybrid material, combining both austenitic and ferritic microstructures. This gives duplex steels a unique combination of strength and corrosion resistance that is superior to regular stainless steel. Material: Typically made from Duplex Stainless Steel grades such as 2205 or 2507. 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 Duplex Flanges: Corrosion Resistance: Duplex stainless steel offers superior resistance to corrosion in aggressive environments, such as in chloride, sulfuric acid, and seawater. This makes it ideal for marine, chemical, and industrial environments. Strength: Duplex steels combine the strength of ferritic steel with the corrosion resistance of austenitic steel, offering higher strength than regular stainless steel while maintaining good toughness. Durability: Excellent resistance to pitting and crevice corrosion, ensuring long-term durability in harsh conditions. Weldability: While duplex flanges are weldable, the welding process must be carefully controlled to prevent issues like sensitization or intermetallic phases. Types of Duplex Flanges (DIN 2543): Weld Neck Flanges (WN): These flanges have a tapered neck for welding directly to pipes, providing extra strength and durability in high-pressure applications. Slip-On Flanges (SO): These are easy to install and are placed over the pipe, then welded inside and outside. Blind Flanges (BL): Used to close the end of a pipe or system, preventing fluid flow. Socket Weld Flanges (SW): These flanges have a socket into which the pipe is inserted and then welded, commonly used for small-bore systems. Lap Joint Flanges (LJ): These are paired with a lap joint stub end and allow for easy alignment and disassembly. Common Duplex Stainless Steel Grades for Flanges: Grade 2205: Composition: Contains approximately 22% chromium, 5% nickel, and 3% molybdenum. Properties: Excellent corrosion resistance, especially to pitting and crevice corrosion. High strength and good weldability. Applications: Used in chemical, petrochemical, and marine applications. Grade 2507 (Super Duplex): Composition: Contains 25% chromium, 7% nickel, and 4% molybdenum. Properties: Superior corrosion resistance and strength compared to 2205. Ideal for extremely aggressive environments. Applications: Used in seawater, desalination plants, and high-pressure industrial applications. Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (or approximately 232 psi) at 20°C (68°F). Applications: Duplex flanges with a PN16 rating are suitable for medium-pressure systems in industries such as chemical processing, oil & gas, water treatment, and marine environments. Conclusion: DIN 2543 Duplex flanges are a reliable solution for medium-pressure applications (PN16) requiring high strength and exceptional resistance to corrosion.