Ladhani Metal Corporation is a reliable manufacturer and exporter of DIN 2565 stainless steel flanges, crafted to provide secure, leak-proof connections in low-pressure piping systems. Compliant with DIN 2565 standards, these flanges are available in PN 6 pressure rating, making them ideal for threaded pipe connections in systems that do not require welding. These stainless steel threaded flanges are particularly suited for environments requiring resistance to corrosion, cleanliness, and easy maintenance. They are widely used in water supply lines, food processing, chemical plants, marine systems, and other industrial applications. Flange Types: • Threaded (Screwed) Flanges: Designed to connect to pipes without welding by using internal threads. • Raised Face (RF) Flanges: Feature a slightly elevated sealing surface to improve gasket compression and prevent leakage. • Flat Face (FF) Flanges: Have a flat sealing surface, typically used with flat gaskets and in low-pressure systems. • Forged Threaded Flanges: Manufactured through forging for enhanced strength and structural integrity in threaded connections. • Custom-Machined Threaded Flanges: Tailored to specific dimensions or threading requirements for specialized piping setups. Available Grades and Chemical Composition: Stainless Steel 304 (UNS S30400) Carbon (C): ≤ 0.08% Manganese (Mn): ≤ 2.00% Silicon (Si): ≤ 1.00% Phosphorus (P): ≤ 0.045% Sulfur (S): ≤ 0.030% Chromium (Cr): 18.0 – 20.0% Nickel (Ni): 8.0 – 10.5% Applications: Ideal for general use in water, air, and non-aggressive environments. Stainless Steel 316 (UNS S31600) Carbon (C): ≤ 0.08% Manganese (Mn): ≤ 2.00% Silicon (Si): ≤ 1.00% Phosphorus (P): ≤ 0.045% Sulfur (S): ≤ 0.030% Chromium (Cr): 16.0 – 18.0% Nickel (Ni): 10.0 – 14.0% Molybdenum (Mo): 2.0 – 3.0% Applications: Suitable for harsh, corrosive environments such as marine, chemical, and industrial processing systems. Stainless Steel 321 (UNS S32100) Carbon (C): ≤ 0.08% Manganese (Mn): ≤ 2.00% Silicon (Si): ≤ 1.00% Phosphorus (P): ≤ 0.045% Sulfur (S): ≤ 0.030% Chromium (Cr): 17.0 – 19.0% Nickel (Ni): 9.0 – 12.0% Titanium (Ti): 5xC – 0.70% Applications: Commonly used in high-temperature applications like heat exchangers, pressure vessels, and exhaust systems. Applications: DIN 2565 stainless steel flanges with PN 6 rating are used in a variety of industries including: • Water Treatment & Distribution: Ideal for municipal water supply and wastewater systems due to their corrosion resistance and durability. • Chemical Processing: Suitable for systems where stainless steel is required to withstand aggressive chemicals. • Food & Beverage: Commonly found in sanitary pipelines, ensuring hygienic and clean connections. • Marine Industry: Used in piping systems for vessels, ensuring longevity and resistance to corrosion in saline environments. • Pharmaceuticals: Provides the necessary sanitary and non-reactive qualities required in pharmaceutical manufacturing environments. Key Features: • Manufactured according to DIN 2565 specifications. • Corrosion-resistant, ideal for a wide range of chemical and environmental conditions. • High strength and long-lasting performance in threaded piping systems. • Available in multiple grades, sizes, and pressure ratings, including PN 6, for diverse industrial applications. Conclusion: DIN 2565 stainless steel flanges from Ladhani Metal Corporation offer reliable, cost-effective, and durable solutions for various low-pressure piping systems. With options in trusted grades such as 304, 316, and 321, these flanges meet international standards for performance and reliability. Backed by precise manufacturing and rigorous quality checks, our stainless steel flanges ensure dependable performance across multiple industries. For more technical details, pricing, or bulk inquiries, feel free to contact Ladhani Metal Corporation.

The DIN 2558 Inconel Flange PN 6 is a precision-engineered flange designed to perform under extreme conditions involving high temperatures, corrosive media, and mechanical stress. Manufactured according to DIN (Deutsches Institut für Normung) standards, these flanges are made from advanced Inconel alloys, known for their superior resistance to oxidation, corrosion, and thermal degradation. Types: Weld Neck Flange – Ideal for high-pressure and high-temperature systems; offers maximum strength and stability. Slip-On Flange – Easily fits over the pipe and is welded on both sides for secure, easy installation. Blind Flange – Closes off pipelines or pressure vessels with a leak-proof seal. Threaded Flange – Connects to pipes using threads, eliminating the need for welding. Socket Weld Flange – Best suited for small-bore, high-pressure systems with smooth fluid flow. Grades & Chemical Composition: Inconel 600 (UNS N06600): 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% Key Features: Resistant to oxidation, carburization, and chloride-ion stress-corrosion cracking; ideal for heat exchangers and furnace components. Inconel 625 (UNS N06625): Nickel (Ni): ≥ 58.0% Chromium (Cr): 20.0 – 23.0% Molybdenum (Mo): 8.0 – 10.0% Niobium (Nb): 3.15 – 4.15% Iron (Fe): ≤ 5.0% Carbon (C): ≤ 0.10% Key Features: Excellent resistance to pitting, crevice corrosion, and chemical attacks; widely used in chemical processing and marine environments. Inconel 718 (UNS N07718): 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% Carbon (C): ≤ 0.08% Key Features: High strength, creep resistance, and corrosion resistance at elevated temperatures; excellent fatigue and stress rupture performance; commonly used in aerospace, turbines, and high-stress industrial components. PN 6 Rating: The PN 6 designation indicates a nominal pressure class of 6 bar (approximately 87 psi). These flanges are suited for medium-pressure systems where both corrosion resistance and mechanical integrity are critical. Features: High-Temperature Strength: Maintains mechanical integrity and structural stability even under extreme heat. Exceptional Corrosion Resistance: Resistant to acids, seawater, oxidation, and stress-corrosion cracking. Long-Term Durability: Engineered for long service life in harsh environments, minimizing maintenance and replacement needs. High Strength: Withstands high mechanical loads and thermal cycling without deformation or failure. • Industry Versatility: Ideal for use in offshore drilling, nuclear plants, aerospace systems, petrochemical equipment, and high-performance industrial piping. • Precision Manufacturing: Tight dimensional tolerances ensure secure, leak-proof connections and system efficiency. Ladhani Metal Corporation ensures every DIN 2558 Inconel Flange is produced using advanced techniques and thoroughly inspected for quality and compliance. Whether used in extreme heat, corrosive environments, or high-stress systems, these flanges deliver the reliability and performance needed to maintain operational excellence. #din2558 #din2558flanges #din2558inconelflanges #flanges #flangessupplier

DIN 2544 Carbon Steel flanges are flanges manufactured according to the DIN 2544 standard, specifically designed for use with carbon steel pipes. Carbon steel is a commonly used material in the manufacturing of flanges due to its strength, durability, and cost-effectiveness. These flanges are widely used in various industries such as oil and gas, chemical processing, power plants, and water treatment, where high strength and reliability are required in medium to high-pressure systems. Key Features: Material: Carbon steel (typically grades like ASTM A105, A350 LF2, and A234 WPB). Pressure Rating (PN 25): These flanges are rated for pressure class PN 25, meaning they can withstand pressures up to 25 bar (2500 kPa). Strength: Carbon steel flanges are known for their high tensile strength, making them suitable for high-pressure applications. Durability: Carbon steel flanges are durable and can withstand harsh operating conditions, such as high temperatures and mechanical stresses. Cost-Effective: Compared to other materials, carbon steel flanges are more affordable, offering a balance between strength, performance, and cost. Types of DIN 2544 Carbon Steel Flanges: Weld Neck Flange (WN): These flanges are used in high-pressure applications where a strong, leak-proof connection is necessary. The flange neck is welded to the pipe, ensuring a secure and reliable joint. Slip-On Flange (SO): These flanges are easy to install by slipping them over the pipe and welding both inside and outside. They are commonly used in low to medium-pressure applications. Blind Flange (BL): These flanges are used to close the ends of pipes, vessels, or other openings, providing a secure seal. Threaded Flange (TH): These flanges are screwed onto the pipe, which eliminates the need for welding. They are ideal for applications where welding is not feasible. Socket Weld Flange (SW): These flanges are designed for smaller pipe sizes, where the pipe is inserted into the socket and welded into place for a secure joint. Grades of Carbon Steel: ASTM A105: A common grade of carbon steel used in flanges, ideal for low- to medium-pressure applications in the oil, gas, and petrochemical industries. It contains approximately 0.35% carbon (C), 0.60-0.90% manganese (Mn), 0.03% phosphorus (P), 0.05% sulfur (S), with the balance being iron (Fe). ASTM A350 LF2: A low-temperature carbon steel that is commonly used in the construction of flanges for applications in low-temperature environments. it includes around 0.30% carbon (C), 1.00-1.50% manganese (Mn), 0.03% phosphorus (P), 0.03% sulfur (S), with the balance being iron (Fe). A234 WPB: A material used for manufacturing carbon steel flanges in piping systems, particularly for use in high-temperature and high-pressure systems.the composition typically consists of 0.30% carbon (C), 1.00-1.20% manganese (Mn), 0.03% phosphorus (P), 0.03% sulfur (S), and the balance being iron (Fe). Pressure Rating (PN 25): PN 25 means the flange is rated to withstand pressures of up to 25 bar (2500 kPa), making it suitable for moderate to high-pressure applications. Summary: DIN 2544 Carbon Steel flanges are strong, durable, and cost-effective components used in various industries, including oil and gas, chemical processing, and power plants. Ladhani Metal Corporation offers a wide variety of carbon steel flanges, including weld neck, slip-on, blind, threaded, and socket weld types, with pressure ratings up to PN 25.

DIN 2544 Monel flanges are flanges manufactured according to the DIN 2544 standard, specifically designed for use with Monel alloys. Monel is a high-performance nickel-copper alloy known for its outstanding corrosion resistance, particularly in seawater, acids, and alkaline environments. These flanges are widely used in industries such as marine, chemical processing, petrochemical, and other applications that require resistance to aggressive media and high temperatures. Key Features: Material: Monel alloys (typically Monel 400 and Monel K-500). Pressure Rating (PN 25): These flanges are rated for pressure class PN 25, meaning they can handle pressures up to 25 bar (2500 kPa). Corrosion Resistance: Monel alloys offer excellent resistance to corrosion in harsh environments such as seawater and acidic solutions, making them ideal for marine and chemical applications. Strength: Monel alloys exhibit high strength and toughness, retaining their mechanical properties even in elevated temperature environments. Temperature Resistance: Monel alloys maintain integrity and strength even in high-temperature conditions, making them suitable for demanding applications. Types of DIN 2544 Monel Flanges: Weld Neck Flange (WN): These flanges are ideal for high-pressure applications where a reliable, leak-proof connection is required. The neck is welded to the pipe to create a strong joint. Slip-On Flange (SO): These flanges are easy to install by slipping over the pipe, then welding both inside and outside for a secure connection. Blind Flange (BL): Used to seal the ends of pipes, vessels, or other openings, providing a leak-tight closure. Threaded Flange (TH): These flanges are screwed onto the pipe without welding, making them easier to install and remove when needed. Socket Weld Flange (SW): Designed for smaller pipe sizes, where the pipe is inserted into the socket and welded into place for a strong, secure joint. Grades of Monel: Monel 400: A nickel-copper alloy containing 63% nickel and 29% copper, Monel 400 offers excellent resistance to seawater and other corrosive environments. It is commonly used in marine and chemical processing applications. Monel K-500: This alloy is similar to Monel 400 but with added titanium and aluminum for improved strength and hardness. It is used in high-stress environments such as aerospace and marine applications. Pressure Rating (PN 25): PN 25 means the flange is rated to withstand pressures of up to 25 bar (2500 kPa), making it ideal for moderate to high-pressure applications. Summary: DIN 2544 Monel flanges are corrosion-resistant components made from Monel alloys, ideal for use in industries like marine, chemical processing, and petrochemical. Ladhani Metal Corporation offers a variety of Monel flanges, including weld neck, slip-on, blind, threaded, and socket weld types, rated for pressures up to PN 25. With a strong focus on quality and customer service, Ladhani Metal Corporation provides high-performance solutions for industries worldwide.

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.

DIN 2543 Stainless Steel Flanges are flanges made from stainless steel that conform to the German industrial standard DIN 2543. These flanges are used to connect pipes, valves, pumps, and other equipment within a piping system. The DIN 2543 standard defines the specifications, dimensions, and materials for flanges used primarily in industrial applications where high strength, durability, and corrosion resistance are required. DIN 2543 refers to the "Flanges for pipes, slip-on flanges, welding neck flanges, and blind flanges." DIN 2543 flanges are PN 16, and they have specific dimensional standards for that pressure rating, ensuring compatibility and safety in pipeline applications. Here's a detailed description of DIN 2543 Stainless Steel Flanges: 1. Standard Overview (DIN 2543): • DIN 2543 refers to flanges that are used to connect pipes and related components in various industrial systems. It specifies welding neck flanges, slip-on flanges, and blind flanges among others. • The flanges covered by this standard are available in different pressure classes and materials, including stainless steel. • The main application of these flanges is in piping systems for industries such as chemical, oil and gas, water treatment, food processing, and HVAC. 2. Types of DIN 2543 Flanges: The standard covers different types of flanges, each with its own application: • Welding Neck Flanges (WN): o These flanges are designed to be welded to the pipe. They have a long tapered neck that provides better stress distribution and is suitable for high-pressure applications. o Application: Common in high-pressure and high-temperature systems. • Slip-On Flanges (SO): o These flanges fit over the pipe and are welded at both the inside and outside edges. They are easier to install compared to welding neck flanges. o Application: Suitable for low- and medium-pressure systems. • Blind Flanges (BL): o These flanges are used to seal the end of a pipe. They have no central hole and are typically used to close off piping systems or for future extensions. o Application: Used when a permanent or temporary closure is needed in a piping system. 3. Materials for Stainless Steel Flanges: DIN 2543 Stainless Steel flanges are typically manufactured from the following grades of stainless steel, which are selected based on the specific requirements of the application: • Grade 304 Stainless Steel (AISI 304): o The most common type of stainless steel, offering good corrosion resistance and forming ability. It is suitable for general-purpose applications in environments not subject to severe corrosion. o Applications: Food and beverage processing, chemical industries, and general industrial applications. • Grade 316 Stainless Steel (AISI 316): o Contains molybdenum (2–3%), which significantly enhances its resistance to pitting and crevice corrosion in chloride environments. It is widely used in more corrosive environments such as marine or chemical processing applications. o Applications: Marine environments, chemical industries, pharmaceuticals, and offshore applications. • Grade 321 Stainless Steel (AISI 321): o Similar to 304 but with added titanium to prevent carbide precipitation during welding. It is ideal for high-temperature environments and offers good oxidation resistance. o Applications: High-temperature systems, aerospace applications, and heat exchangers. 4. Gasket Surface Types: The gasket surface of DIN 2543 stainless steel flanges is crucial for creating a proper seal when two flanges are joined. The most common gasket surface types include: • Raised Face (RF): o A flange with a raised area where the gasket is placed. This is the most common type and provides a reliable seal. • Flat Face (FF): o The flange surface is flat and typically used in lower-pressure systems. • Ring Type Joint (RTJ): o This type has a groove for the insertion of a metal ring gasket, used in high-pressure or high-temperature applications. DIN 2543 SS flanges are designed to provide strong, durable, and leak-proof connections for pipes in various industries, with precise dimensions, materials, and pressure ratings tailored to different operational needs. The different types of flanges (Slip-on, Welding Neck, and Blind) allow for versatile use in a variety of applications.

DIN 2527 blind flanges are sealing components used in piping systems to close the ends of pipes, valves, or pressure vessels where no further connection is required. These flanges are designed to prevent the flow of fluids or gases, isolate sections of the piping system for maintenance, or facilitate pressure testing of the system. The DIN 2527 standard ensures these flanges meet specific dimensional and mechanical properties for reliable performance in various industrial applications. material type : Titanium: Titanium flanges, including Grade 2 and Grade 5, are known for their exceptional resistance to corrosion, particularly in aggressive environments like seawater and chemicals. These lightweight and strong materials are commonly used in aerospace, marine, and chemical industries. Stainless Steel (SS): Stainless steel, including grades like 304 and 316, provides excellent corrosion resistance, particularly in harsh environments. It is used in industries like chemical processing and marine applications, where resistance to corrosion and oxidation is essential. Carbon Steel (C.S.): Carbon steel is a popular choice for DIN 2527 blind flanges due to its strength, weldability, and cost-effectiveness. It is ideal for general-purpose applications in systems with moderate temperature and pressure conditions, using grades like St 37 and A105. Mild Steel (MS): Mild steel is a low-carbon steel that offers good formability and strength, making it suitable for less demanding applications. It is commonly used in systems where high pressure or corrosion resistance is not a critical concern. Alloy Steel: Alloy steel flanges, such as A182 F11 and A182 F22, are designed for high-temperature and high-pressure applications. They offer greater strength, thermal expansion resistance, and durability, making them ideal for power generation and petrochemical industries. Inconel: Inconel flanges, including Inconel 600 and 625, are ideal for extreme high-temperature and aggressive environments. These alloys provide superior strength and exceptional resistance to oxidation and corrosion, making them suitable for high-performance applications. SS Duplex Steel: Duplex steel, such as grade 2205, combines the characteristics of both austenitic and ferritic steels, offering high strength and superior resistance to corrosion. It is ideal for use in chemical and marine environments where stress corrosion cracking resistance is crucial. SS Super Duplex Steel: Super duplex steel, such as 2507, provides a combination of high strength and excellent corrosion resistance, especially in harsh environments. It is highly resistant to pitting and stress corrosion cracking, making it ideal for demanding applications in the oil, gas, and marine industries. Key Features of DIN 2527 Blind Flanges: Material Variety: DIN 2527 blind flanges are available in different materials, including carbon steel, mild steel, stainless steel, alloy steel, and special alloys like Inconel or Duplex steel, offering a wide range of options to meet the needs of different environments, temperatures, and pressures. Pressure and Temperature Ratings: These flanges are available in different pressure ratings such as PN6, PN10, PN16, PN25, and PN40, ensuring they can withstand the required pressures for various industrial applications. Dimensional Standards: The DIN 2527 standard ensures precise dimensional accuracy, allowing for reliable sealing and easy installation in piping systems. These flanges are available in various nominal diameters, typically ranging from DN10 (1/2 inch) to DN600 (24 inches) or more, depending on the system requirements.

DIN 2527 Carbon Steel (C.S.) Blind Flanges are designed to seal the ends of pipes or vessels in industrial piping systems where no further connection is required. These blind flanges are made from carbon steel, which is known for its strength, durability, and cost-effectiveness. The DIN 2527 standard ensures that these flanges meet precise dimensional and mechanical requirements for reliability under various industrial conditions. Material Composition of Carbon Steel (C.S.) Blind Flanges: The material used in DIN 2527 carbon steel blind flanges typically includes carbon steel grades like St 37, St 52, or A105, which are commonly used for pressure-containing parts in piping systems. The general composition of carbon steel includes: Carbon (C): 0.05% to 0.25% – Provides strength and hardness. Manganese (Mn): 0.30% to 0.90% – Enhances toughness and strength. Silicon (Si): 0.10% to 0.60% – Adds strength and hardness. Phosphorus (P): Up to 0.04% – Ensures better toughness and workability. Sulfur (S): Up to 0.05% – Keeps the material ductile and machinable. Iron (Fe): The remainder of the material – Makes up the base composition. These carbon steel grades provide excellent mechanical properties, such as strength, ductility, and weldability, making them suitable for a wide range of applications in moderate temperature and pressure environments. Key Features of DIN 2527 Carbon Steel Blind Flanges: Temperature and Pressure Resistance: Operating Temperature: Carbon steel can withstand temperatures up to 400°C (752°F) without significant degradation. It is ideal for moderate temperature applications. Pressure Tolerance: DIN 2527 carbon steel blind flanges come with pressure ratings such as PN6, PN10, PN16, PN25, and higher, ensuring they can safely handle pressure in piping systems. Corrosion Resistance: Carbon steel is not highly resistant to corrosion, especially in moisture, chlorides, or acidic environments. To enhance the corrosion resistance, these flanges can be galvanized or coated (with zinc or paint), which helps in increasing their durability in mildly corrosive environments. Strength and Durability: Carbon steel offers high strength and good toughness under moderate stress and pressure conditions. It is stronger than mild steel, providing a reliable seal for general industrial use. Dimensional Accuracy and Pressure Class: The DIN 2527 standard ensures precise dimensional accuracy, enabling easy and reliable installation. Carbon steel blind flanges come in different pressure ratings like PN6, PN10, PN16, and PN25, providing flexibility based on the system's pressure requirements. Design and Types of DIN 2527 Carbon Steel Blind Flanges: Standard Blind Flange (Type A): A solid circular flange used for general isolation of pipeline sections where no further connection is needed. Flat-Faced Blind Flange: This flange features a flat sealing surface, making it suitable for low-pressure systems or applications where a tight seal is not required. Raised Face Blind Flange: Has a raised surface for a better seal in medium-to-high-pressure systems, where the flange is bolted to a matching raised face of another flange. Ring-Type Joint (RTJ) Blind Flange: Used in high-pressure systems, this flange has a groove that holds an RTJ gasket, offering a superior seal under high-pressure conditions. Long Weld Neck Blind Flange: Features an extended neck for welding to the pipe, providing additional strength and making it suitable for high-pressure or high-stress applications. Nominal Diameter: Available in a wide range of nominal diameters (e.g., DN10, DN50, DN150, DN600), ensuring compatibility with different pipe sizes and system requirements.