DIN 2569 Monel Flanges PN 100 are precision-engineered welding neck flanges manufactured from high-grade Monel alloys, specifically designed for high-pressure and highly corrosive environments. Built to DIN 2569 standards, these flanges offer excellent resistance to seawater, acids, and alkalis, along with superior mechanical strength and durability. Their robust performance makes them ideal for critical applications in marine engineering, chemical processing, oil and gas, and offshore industries. Ladhani Metal Corporation is a leading manufacturer and exporter of Monel flanges, offering reliable and high-quality products that meet stringent international standards. The welding neck configuration ensures permanent, high-strength connections suitable for continuous operation under high pressure and temperature conditions. Pressure Rating: • PN 100 (100 bar / 1450 psi): Specifically designed for high-pressure systems requiring outstanding corrosion resistance, sealing integrity, and mechanical performance in aggressive and demanding environments. Flange Types: • Welding Neck Flanges Provide high-strength welded connections for pressurized piping systems exposed to thermal expansion and vibration. • Raised Face (RF) Flanges Enhance gasket compression and sealing performance in high-pressure and temperature applications. • Flat Face (FF) Flanges Used in applications with flat mating surfaces, particularly when connecting to brittle or non-metallic materials. • Forged Welding Neck Flanges Offer high mechanical strength, dimensional accuracy, and durability. • Custom-Machined Flanges Available in various sizes, pressure classes, and Monel grades as per customer requirements. Monel Grades and Composition: 1. Monel 400 (Nickel-Copper Alloy) Composition: • Nickel (Ni): ≥ 63.0% • Copper (Cu): 28.0 – 34.0% • Iron (Fe): ≤ 2.5% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 0.5% • Carbon (C): ≤ 0.30% Applications: Used in marine engineering, chemical processing, and fuel or freshwater tanks due to its excellent resistance to seawater, hydrofluoric acid, and stress corrosion cracking. 2. Monel K500 (Precipitation-Hardened Alloy) Composition: • Nickel (Ni): ≥ 63.0% • Copper (Cu): 27.0 – 33.0% • Aluminum (Al): 2.3 – 3.15% • Titanium (Ti): 0.35 – 0.85% Applications: Ideal for applications requiring high strength and corrosion resistance, such as pump shafts, oil well tools, and marine components. K500 offers greater mechanical strength and hardness compared to Monel 400. Applications of DIN 2569 Monel Flanges: • Marine and Offshore Engineering: Perfect for underwater, saltwater, and coastal applications due to excellent seawater and corrosion resistance. • Chemical and Petrochemical Industries: Used in acid and alkali handling systems, heat exchangers, and reactors where corrosion resistance is crucial. • Oil and Gas Sector: Employed in valves, pipes, and flanges exposed to sour gas and offshore drilling conditions. • Power Generation: Suitable for condenser tubing and heat exchangers in environments where both corrosion and high temperature are factors. • Aerospace and Defense: Used in high-performance components requiring durability, resistance to aggressive chemicals, and thermal stability. Key Features: • Manufactured to DIN 2569 standard • Available in PN 100 pressure rating • Excellent corrosion resistance in acidic and marine environments • High mechanical strength and thermal stability • Permanent welded neck design for secure pipe integration • Supplied with test certifications and complete traceability • Custom machining and finishing available including pickling and passivation Conclusion: DIN 2569 Monel Flanges PN 100 from Ladhani Metal Corporation are engineered for critical operations that demand corrosion resistance, strength, and durability under pressure. These flanges are trusted in marine, chemical, and energy sectors, delivering dependable service in the most challenging environments. For tailored specifications, material consultations, or bulk orders, reach out to Ladhani Metal Corporation today.

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.

When considering Duplex Stainless Steel for DIN 2527 Blind Flanges, the material offers unique advantages over traditional stainless steels, combining the benefits of both austenitic and ferritic microstructures. Duplex Stainless Steel typically contains a higher percentage of chromium, molybdenum, and nitrogen, which significantly enhances its properties, especially for highly demanding and corrosive environments. Material: Duplex Stainless Steel Superior Corrosion Resistance: Duplex stainless steels (e.g., 2205 or 2507) offer outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, which makes them highly suitable for industries exposed to aggressive environments, such as offshore oil and gas, chemical processing, and marine industries. Strength: Duplex stainless steels have higher tensile strength than standard austenitic steels (such as 304 or 316), allowing the flange to perform under higher mechanical stress and pressure. The material is typically twice as strong as conventional 304 and 316 stainless steels. Temperature Resistance: Duplex materials offer good performance in high-temperature environments, although not as high as some alloys specifically designed for extreme heat (e.g., Inconel). They perform well in moderate to high-temperature applications. Resistance to Chloride Stress Corrosion Cracking (SCC): Duplex steels are particularly resistant to chloride-induced stress corrosion cracking, which is one of the key benefits in applications exposed to chloride-rich environments, such as seawater. Common types of duplex stainless steel blind flanges include: 1.4462 (F51): Standard duplex steel, offering good corrosion resistance and strength, used in chemical, oil & gas, and marine industries. 1.4410 (F53): Super duplex steel, with higher strength and better corrosion resistance, used in offshore and high-pressure applications. 1.4539 (Alloy 20): Highly resistant to acid and chloride environments, used in chemical processing and power generation. Design and Dimensions Shape: Blind flanges in DIN 2527, regardless of the material (Stainless Steel 316 or Duplex), are flat, round plates without a central hole, used to close off the ends of pipes or pressure vessels. Bolt Holes: Like other blind flanges, duplex flanges come with bolt holes for bolting the flange to a mating flanged component. The bolt holes' number and size depend on the flange's diameter and the pressure class. Thickness: The thickness varies according to the pressure rating (e.g., PN 6, PN 10, PN 16, PN 25). Thicker flanges are designed for higher-pressure applications to maintain a secure and tight seal. Pressure Rating: Duplex stainless steel blind flanges are often used in high-pressure environments due to their strength. The specific pressure ratings depend on the material grade (e.g., Duplex 2205, Super Duplex 2507), but they generally exhibit higher pressure resistance than austenitic stainless steels like 316. Types of Blind Flanges in DIN 2527 (Duplex) Raised Face (RF): A raised face provides a contact area for the gasket, enhancing the sealing performance when paired with a gasket. Flat Face (FF): The face of the flange is level with the surface, which is suitable for softer gaskets that offer a tight seal without excessive pressure. Ring Type Joint (RTJ): For high-pressure applications, Duplex stainless steel blind flanges can feature a groove for a metallic gasket. This design ensures a tight seal under extreme conditions, often used in offshore and chemical plant environments. Benefits of Duplex Stainless Steel Blind Flanges Cost-Efficiency: While Duplex steels can be more expensive than austenitic grades, they offer a better cost-to-performance ratio due to their enhanced durability and strength, leading to longer service life and reduced maintenance costs. Improved Mechanical Properties: Duplex steels' unique composition offers a blend of high tensile strength and excellent corrosion resistance, making them perfect for demanding environments where other materials might not perform as well.

DIN 2527 is a German standard for flanges, and it specifies the design, dimensions, and tolerances for blind flanges made of stainless steel 304. These flanges are commonly used in piping systems to seal the end of a pipe, creating a closed-off section. Here’s a detailed description: DIN 2527 Stainless Steel 304 Blind Flanges Material: Stainless Steel 304: This is an austenitic grade of stainless steel known for its excellent corrosion resistance, particularly against atmospheric, chemical, and other harsh environments. Stainless steel 304 is also known for its good weldability, formability, and strength, making it an ideal material for flanges used in a variety of industries, including chemical, food processing, and construction. Design and Dimensions: Shape: Blind flanges are flat, circular plates with no center hole, designed to seal the end of a pipeline or vessel. Bolt Holes: These flanges are designed to match the corresponding pipe flange with holes to align with the bolts that will attach them to other flanged components. The bolt holes are usually equally spaced around the perimeter. Thickness: The thickness of DIN 2527 blind flanges varies depending on the pressure rating and the size of the flange. This thickness is essential for the flange to withstand internal pressure and provide a secure seal. Pressure Rating: These flanges are rated according to pressure classes such as PN 6, PN 10, PN 16, PN 25, etc. The rating determines the maximum pressure the flange can safely handle without failure. Applications: Pipeline Sealing: Primarily used to seal the open end of a pipeline or system to prevent leaks and maintain pressure in a closed system. System Isolation: Used when isolating a section of the system for maintenance or modification, as they allow for the easy disconnection of parts. Pressure Containment: In applications where maintaining pressure is essential, a DIN 2527 blind flange provides a tight seal that can withstand varying levels of internal pressure. Features: Corrosion Resistance: As the flange is made of stainless steel 304, it offers excellent resistance to corrosion, even in moderately acidic or alkaline environments. Temperature Resistance: Stainless steel 304 can withstand high temperatures, making it suitable for use in elevated temperature environments. Durability: Stainless steel 304 has excellent strength and durability, ensuring a long service life with minimal wear or corrosion. Types of Blind Flanges in DIN 2527: Raised Face: The face of the flange is slightly raised to create a better seal when mated with the gasket. Flat Face: The face is level with the rest of the flange surface and is generally used with softer gaskets to create the seal. Ring Type Joint (RTJ): Some blind flanges may also come with a grooved surface designed for use with metallic gaskets that provide a more secure, high-pressure seal. These DIN 2527 stainless steel 304 blind flanges are essential components in many piping systems, offering a reliable, durable, and efficient way to seal and isolate sections of the pipeline.

Product name:Titanium Dished Head Standard: ASME VIII-I, DIN28013 Material: Titanium GR1, GR2 Size: Customized Titanium Dished Head The most common dish heads are the Ellipsoidal head the Hemispherical head. Heads are widely used in heat exchanger/pressure vessel equipment such as power generation, seawater desalination, water treatment, chemical processing and oil and gas exploration industries. Product name: Titanium dished head Standard: According to DIN28013 Grade: GR1, GR2 Quality Inspection: 100% Ultrasonic Test and PT test after forming. Process: Cold forming and Hot forming Fabrication: According to ASME VIII-I standard. Application:Used for Pressure Vessel Equipment Classification of the head Ellipsoid head, hemispherical head and hyperboloid head are three types of ASME pressure vessel disc head. Ellipsoidal head This is also known as a 2:1 oval head. This head shape is more economical because the height of the head is only a quarter of its diameter. Its radius varies between the major axis and the minor axis. Hemispherical head A sphere is the ideal shape for the head because the pressure in the container is evenly distributed over the surface of the head. The head radius (R) is equal to the radius of the cylindrical part of the container. Spherical head of complex surface These have a disc head with a fixed radius (CR), the size of which depends on the type of spherical head. The transition between the cylinder and the plate is called the knuckle. The steering knuckle is circular. Chemical composition (Wt%) ASTM No. Fe max O max N max C max H max Pd Al Bal Grade 1 0.2 0.18 0.03 0.1 0.015 - - Ti Grade 2 0.3 0.25 0.03 0.1 0.015 - - Ti Physical Properties (Min) ASTM Grade Alloy Composition Tensile Strength Yield Strength Elongation min % ksi Mpa ksi Mpa Grade 1 Unalloyed Ti ("Pure") 35A -CP1 35 240 25 170 30 Grade 2 Unalloyed Ti ("Pure") 50A -CP2 58 400 40 275 25

LADHANI METAL CORPORATION We are leading manufacturer exporters & suppliers of Super Duplex bend in India with having different types, sizes, grades of bend. The offered range of Super Duplex bend are available in plethora of options & has high tensile strength which makes it quite sturdy. We are also involved in the retail, wholesale & distributers of Super Duplex bend in diffrent forms such as dairy, LR, steel return, long radius, long, etc are available. Our materials widely used in various industries & are known for its enhanced durability & resistance to corrosion quality. Features: corrosion & abrasion resistance, wear & tear resistance, dimensional accuracy rust free, sturdy design, high strength, best finish, easy to use, longer life Our materials are inpected by well exprience quality control team and are as per international standards. Grade: UNS NO.S 31803, S 32205 Standard: ASTM / ASME SA 815 Size: 1/4" to 48" Thickness: 1.2mm-30mm Range: 15 NB UP TO 1200 NB Form: dairy, LR, long, steel return, seamless, welded, fabricated duplex bend in different sizes of reputed make that are recognise globally,

LADHANI METAL CORPORATION We are leading manufacturer exporters & suppliers of Super Duplex Nace Pipes in India with having different types, sizes, grades of pipes. The offered range of Super Duplex Nace pipes are available in plethora of options & has high tensile strength which makes it quite sturdy. We are also involved in the retail, wholesale & distributors of Super Duplex Nace pipes in different forms such as round, square, rectangular, etc are available. Our materials widely used in various industries & are known for its enhanced durability & resistance to corrosion quality. Our materials are inspected by well experience quality control team and are as per international standards. Features: Long lasting Easy to clean Rust resistance Thermal resistance High strength Lightweight Specification : 1) Standard : API Standard:ASTM A106.ASTM A53, ASTM A135, ASTM A179, ASTM A214, ASTM A192, ASTM A226, ASTM A315, ASTM A178, ASTM A210, ASTM A333, ASTM A355, ASTM A369, ASTM A334 ASTM/ASME A312/SA312, ASTM/ASME A213/SA213, ASTM A269, ASTM 511, API5L, API5CT, GOST 9940, GOST 9941, JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458) , DIN EN 10297-2006(DIN 17456) etc. 2) Steel Grade: ASTM A106 GRB, A53 GRB. API 5L GRB, API 5 CT N80, K55, A335 P11.P91, DIN ST52, ST44, ST35.8, ST37, ST42, ST45 3)Outside Diameter:1/2"-48" Or 21.3-1219.2mm 4) Wall Thickness: 2.11-59.54mm 5) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on,

LADHANI METAL CORPORATION We are leading manufacturer exporters & suppliers of Super Duplex Nace Pipes in India with having different types, sizes, grades of pipes. The offered range of Super Duplex Nace pipes are available in plethora of options & has high tensile strength which makes it quite sturdy. We are also involved in the retail, wholesale & distributors of Super Duplex Nace pipes in different forms such as round, square, rectangular, etc are available. Our materials widely used in various industries & are known for its enhanced durability & resistance to corrosion quality. Our materials are inspected by well experience quality control team and are as per international standards. Features: Long lasting Easy to clean Rust resistance Thermal resistance High strength Lightweight Specification : 1) Standard : API Standard:ASTM A106.ASTM A53, ASTM A135, ASTM A179, ASTM A214, ASTM A192, ASTM A226, ASTM A315, ASTM A178, ASTM A210, ASTM A333, ASTM A355, ASTM A369, ASTM A334 ASTM/ASME A312/SA312, ASTM/ASME A213/SA213, ASTM A269, ASTM 511, API5L, API5CT, GOST 9940, GOST 9941, JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458) , DIN EN 10297-2006(DIN 17456) etc. 2) Steel Grade: ASTM A106 GRB, A53 GRB. API 5L GRB, API 5 CT N80, K55, A335 P11.P91, DIN ST52, ST44, ST35.8, ST37, ST42, ST45 3)Outside Diameter:1/2"-48" Or 21.3-1219.2mm 4) Wall Thickness: 2.11-59.54mm 5) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on,

LADHANI METAL CORPORATION We are leading manufacturer exporters & suppliers of Super Duplex Nace Pipes in India with having different types, sizes, grades of pipes. The offered range of Super Duplex Nace pipes are available in plethora of options & has high tensile strength which makes it quite sturdy. We are also involved in the retail, wholesale & distributors of Super Duplex Nace pipes in different forms such as round, square, rectangular, etc are available. Our materials widely used in various industries & are known for its enhanced durability & resistance to corrosion quality. Our materials are inspected by well experience quality control team and are as per international standards. Features: Long lasting Easy to clean Rust resistance Thermal resistance High strength Lightweight Specification : 1) Standard : API Standard:ASTM A106.ASTM A53, ASTM A135, ASTM A179, ASTM A214, ASTM A192, ASTM A226, ASTM A315, ASTM A178, ASTM A210, ASTM A333, ASTM A355, ASTM A369, ASTM A334 ASTM/ASME A312/SA312, ASTM/ASME A213/SA213, ASTM A269, ASTM 511, API5L, API5CT, GOST 9940, GOST 9941, JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458) , DIN EN 10297-2006(DIN 17456) etc. 2) Steel Grade: ASTM A106 GRB, A53 GRB. API 5L GRB, API 5 CT N80, K55, A335 P11.P91, DIN ST52, ST44, ST35.8, ST37, ST42, ST45 3)Outside Diameter:1/2"-48" Or 21.3-1219.2mm 4) Wall Thickness: 2.11-59.54mm 5) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on,