DIN 2630 carbon steel flanges PN 2.5 are precision-engineered weld neck flanges designed in accordance with the DIN 2630 standard, suitable for low-pressure applications up to 2.5 bar (36.25 psi). Manufactured from high-quality carbon steel grades such as ASTM A105 and A350 LF2, these flanges offer reliable mechanical strength and excellent weldability. Carbon steel flanges are ideal for general-purpose piping systems where toughness, cost-effectiveness, and structural integrity are required in low-pressure environments. Ladhani Metal Corporation is a trusted global manufacturer and supplier of carbon steel flanges, known for delivering quality components built to meet international standards. Our DIN 2630 PN 2.5 carbon steel weld neck flanges are widely used in industries such as oil and gas, water treatment, power generation, and general manufacturing. Every flange is manufactured under stringent quality control to ensure performance, durability, and compliance with customer requirements. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Designed for low-pressure systems requiring durable, cost-effective materials with high mechanical strength. Flange Type: • Weld Neck Flanges Equipped with a long tapered hub to ensure smooth fluid flow and reduce stress concentration, these flanges are suited for critical applications involving pressure and temperature changes. • Flat Face (FF) Flanges Flat face flanges provide uniform gasket compression, especially when used with cast components or soft gasket materials in low-pressure setups. Carbon Steel Grades and Chemical Composition: ASTM A105 (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% Applications: Commonly used in ambient- and high-temperature service in pressure systems. Ideal for general-purpose industrial piping, valve connections, and flanged joints. ASTM A350 LF2 (Low-Temperature Carbon Steel) • 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: Designed for low-temperature services where enhanced notch toughness is essential, such as cryogenic and refrigerated systems. Applications of DIN 2630 Carbon Steel Flanges PN 2.5: • Oil and Gas Industry Used in upstream and downstream piping for fluid transport under low-pressure conditions. • Water Treatment Plants Ideal for piping systems handling potable water, wastewater, and industrial effluents. • Power Generation Applied in cooling systems, boilers, and auxiliary piping in thermal and hydroelectric power plants. • General Industrial Use Suitable for manufacturing facilities, mechanical piping, and structural connections. Key Features: • Manufactured as per DIN 2630 standards • PN 2.5 pressure class for low-pressure piping systems • Weld neck design improves mechanical stability and flow characteristics • Flat face option enables consistent sealing with softer gasket materials • High strength, excellent machinability, and cost-efficiency • Available in standard and customized sizes, face types, and surface finishes Conclusion: DIN 2630 Carbon Steel Flanges PN 2.5 from Ladhani Metal Corporation provide a practical and durable solution for low-pressure piping systems across various industries. With strong mechanical properties, reliable performance, and economical pricing, these flanges are ideal for applications requiring consistent quality and weldability. For technical support, custom solutions, or pricing, contact Ladhani Metal Corporation.

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

DIN 2569 Carbon Steel Flanges PN 100 are precision-engineered welding neck flanges manufactured from high-strength carbon steel, designed to perform reliably in high-pressure and high-temperature industrial environments. Built to DIN 2569 standards, these flanges offer excellent mechanical strength, structural integrity, and thermal performance, making them ideal for use in industries such as oil and gas, power generation, petrochemical, construction, and general engineering. Ladhani Metal Corporation is a reputable manufacturer and exporter of carbon steel flanges, providing products that conform to stringent global standards. The welding neck design allows for permanent and high-integrity pipe connections, making these flanges particularly suitable for applications subject to pressure fluctuations, vibration, and thermal cycling. Pressure Rating: • PN 100 (100 bar / 1450 psi): Specifically designed for high-pressure systems that require reliable sealing, robust mechanical strength, and thermal endurance in demanding industrial conditions. Flange Types: • Welding Neck Flanges Provide a tapered hub for stress distribution, ideal for high-pressure piping systems. • Raised Face (RF) Flanges Facilitates efficient gasket compression and sealing under elevated pressure and temperature. • Flat Face (FF) Flanges Used for connections with flat-faced components or non-metallic sealing materials. • Forged Welding Neck Flanges Offer enhanced strength, dimensional accuracy, and pressure resistance. • Custom-Machined Flanges Available in a wide range of sizes, pressure classes, and carbon steel grades to meet specific project needs. Carbon Steel Grades and Composition: 1. ASTM A105 (Forged Carbon Steel) Composition: • Carbon (C): 0.35% max • Manganese (Mn): 0.60–1.05% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.10–0.35% Applications: Commonly used in pressure systems, valves, and flanges for oil and gas and general-purpose industrial applications where temperature and pressure are moderate to high. 2. ASTM A350 LF2 (Low Temperature Carbon Steel) Composition: • 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: Ideal for low-temperature service, particularly in cryogenic or arctic environments in oil refineries, LNG plants, and chemical processing. 3. ASTM A516 Grade 70 (Pressure Vessel Quality Carbon Steel) Composition: • Carbon (C): ≤ 0.30% • Manganese (Mn): 0.85–1.20% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.035% Applications: Used in boilers, pressure vessels, and heat exchangers where toughness and resistance to high-pressure and high-temperature conditions are essential. Applications of DIN 2569 Carbon Steel Flanges: • Oil and Gas Pipelines: Used for transporting crude oil, natural gas, and petroleum products under pressure. • Power Plants: Installed in steam lines, turbines, and heat recovery systems due to their thermal and mechanical reliability. • Petrochemical and Refinery Units: Applied in high-pressure processing systems and reactors. • Construction and Infrastructure: Used in water supply systems, fire protection networks, and structural piping. • HVAC and Mechanical Engineering: Employed in heating, ventilation, and air conditioning networks. Key Features: • Manufactured to DIN 2569 standard • Available in PN 100 pressure rating • High mechanical strength and impact resistance • Excellent weldability and structural integrity • Designed for permanent, high-pressure pipe connections • Supplied with test certificates, quality assurance documents, and traceability • Can be surface-treated with anti-corrosion coatings, galvanizing, or black painting Conclusion: DIN 2569 Carbon Steel Flanges PN 100 from Ladhani Metal Corporation are engineered to meet the demands of high-pressure industrial systems with strength, reliability, and cost-efficiency. Suitable for a wide range of applications across various sectors, these flanges are available in customizable sizes and material grades. For detailed specifications, bulk inquiries, or technical assistance, contact Ladhani Metal Corporation today

DIN 2566 carbon steel flanges PN 16 are durable and cost-effective threaded flanges designed for medium-pressure piping systems. Manufactured according to DIN 2566 standards, these flanges offer reliable, weld-free connections suitable for a wide range of industrial applications. Their threaded design ensures easy installation and removal, especially in setups requiring frequent maintenance or modifications. Ladhani Metal Corporation is a leading manufacturer and exporter of carbon steel flanges, delivering precision-engineered components with high mechanical strength, toughness, and machinability. DIN 2566 carbon steel flanges are widely used across industries such as oil & gas, power generation, construction, and water treatment. Flange Types: • Threaded (Screwed) Flanges: Enable fast, non-welded assembly—ideal for maintenance-driven or temporary systems. • Raised Face (RF) Flanges: Improve gasket sealing by focusing pressure on a smaller contact area. • Flat Face (FF) Flanges: Commonly used with cast iron or non-metallic equipment in low-to-medium pressure systems. • Forged Threaded Flanges: Provide enhanced strength, impact resistance, and dimensional accuracy. • Custom-Machined Flanges: Made to customer specifications including pressure class, size, or material variant. Available Carbon Steel Grades and Composition: 1. ASTM A105 (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% Applications: Used in ambient and high-temperature pressure systems, including pipelines, valves, and pressure vessels. 2. ASTM A350 LF2 (Low-Temperature Carbon Steel) • Designed for increased impact resistance at low temperatures. • Offers good weldability and strength retention in cryogenic or sub-zero conditions. Applications: Ideal for cold weather installations such as gas processing, refrigeration lines, and cryogenic piping systems. Applications of DIN 2566 Carbon Steel Flanges: • Oil & Gas Industry: Used in pipelines, compressor units, and flow control systems • Petrochemical Plants: Handles hydrocarbons and other industrial fluids • Power Plants: Suitable for steam, gas, and cooling water pipelines • Water & Wastewater Treatment: Cost-effective for fluid handling and filtration lines • Structural & Mechanical Systems: Common in HVAC, infrastructure, and general engineering Key Features: • Manufactured to DIN 2566 standard with PN 16 pressure rating • High tensile strength, ductility, and resistance to wear • Economical and versatile for general-purpose applications • Threaded design for quick, weld-free installation • Compatible with coatings and protective treatments • Supplied with test certificates, inspection reports, and full material traceability Conclusion: DIN 2566 carbon steel flanges PN 16 from Ladhani Metal Corporation are a dependable and budget-friendly solution for medium-pressure piping systems. Known for their mechanical strength, reliability, and ease of installation, these flanges are engineered to perform in a wide variety of industrial environments. For detailed specifications, customization, or large-volume orders, contact Ladhani Metal Corporation today.

DIN 2566 duplex flanges PN 16 are high-performance, corrosion-resistant flanges designed for medium-pressure threaded piping systems. Manufactured in compliance with DIN 2566 standards, these flanges provide a reliable, non-welded connection ideal for environments where both strength and corrosion resistance are critical. Ladhani Metal Corporation is a manufacturer and exporter of duplex stainless steel flanges, offering precise machining, dimensional accuracy, and material traceability. With excellent mechanical properties and enhanced resistance to stress corrosion cracking and pitting, DIN 2566 duplex flanges are suitable for demanding applications across the oil & gas, petrochemical, marine, and power generation industries. Flange Types: • Threaded (Screwed) Flanges: Enable easy assembly and disassembly without welding, ideal for maintenance-intensive or temporary systems. • Raised Face (RF) Flanges: Improve gasket sealing by focusing pressure on a smaller surface area, reducing the risk of leakage. • Flat Face (FF) Flanges: Used with equipment having flat sealing surfaces, especially in systems using cast or non-metallic components. • Forged Threaded Flanges: Offer superior strength and impact resistance with consistent dimensional tolerance. • Custom-Machined Flanges: Tailored to meet specific application needs including pressure class, material grade, and sizing. Available Duplex Grades and Composition: 1. 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): 0.14 – 0.20% • Carbon (C): ≤ 0.030% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% Applications: Used in environments with chloride exposure and aggressive chemical media, such as offshore platforms, desalination plants, pressure vessels, and structural piping systems. Applications of DIN 2566 Duplex Flanges: • Oil & Gas Pipelines: Resistant to sour service and high-pressure fluids • Chemical and Petrochemical Plants: Withstands corrosive chemicals and process fluids • Marine and Offshore Engineering: Ideal for seawater and salt-laden atmospheres • Power Plants: Used in high-temperature and high-pressure piping systems • Water Treatment and Desalination: Corrosion-free in brine and chlorinated water systems Key Features: • Manufactured to DIN 2566 standard with PN 16 pressure rating • Excellent corrosion and stress corrosion cracking resistance • High strength and toughness, even at low temperatures • Maintenance-friendly threaded design • Dimensional precision and smooth finish for leak-free operation • Supplied with test certificates, inspection reports, and full traceability Conclusion: DIN 2566 duplex flanges PN 16 from Ladhani Metal Corporation are engineered to deliver a perfect balance of strength and corrosion resistance in medium-pressure piping applications. Designed for long-term durability in harsh environments, these flanges offer dependable performance with minimal maintenance. For technical assistance, custom dimensions, or bulk orders, get in touch with Ladhani Metal Corporation today.

DIN 2545 carbon steel flanges supplied by Ladhani Metal Corporation are designed for use in a variety of industrial applications requiring strength, durability, and resistance to corrosion under moderate temperatures and pressures. These flanges are made from high-quality carbon steel, offering excellent mechanical properties and weldability, making them suitable for both low- and high-pressure systems. With a pressure rating of PN 40, these flanges are built to withstand pressures up to 40 bar, ensuring secure and leak-free connections in demanding applications across different industries, including chemical processing, power generation, and construction. Types of DIN 2545 Carbon Steel Flanges: Flat Face Flanges (FF) – These flanges have a flat sealing surface and are primarily used in low-pressure applications where uniform distribution of sealing force is required. Raised Face Flanges (RF) – These flanges feature a raised surface around the bolt holes, providing enhanced sealing pressure, making them ideal for high-pressure applications. Ring-Type Joint (RTJ) Flanges – These flanges are designed with a groove to accommodate a metal sealing ring, providing a more secure seal for high-pressure systems or environments involving high temperatures. Grades and Chemical Composition: Carbon Steel A105 Chemical Composition: C: 0.35%, Mn: 0.60-0.90%, P: 0.035% max, S: 0.035% max, Si: 0.10-0.35%, Fe: balance A105 is the most commonly used grade of carbon steel for flanges, offering good strength and impact resistance. It is suitable for low to medium-pressure applications and is widely used in the manufacturing of flanges for piping systems, valves, and fittings. This grade is known for its versatility and ease of welding. Carbon Steel A350 LF2 Chemical Composition: C: 0.30%, Mn: 1.00-1.50%, P: 0.035% max, S: 0.035% max, Si: 0.10-0.35%, Fe: balance A350 LF2 is a low-temperature carbon steel grade designed for use in cryogenic and low-temperature applications. It offers good toughness and is resistant to brittle fracture in environments where temperatures are lower than standard carbon steel materials can withstand. A350 LF2 is commonly used in the oil, gas, and power generation industries. PN 40 Pressure Rating: The "PN" rating defines the flange's pressure capacity. PN 40 indicates that the flange is capable of handling pressures up to 40 bar, making it suitable for high-pressure systems in various industrial applications that require secure and durable connections. Applications: 1. Oil and Gas Industry: Pipelines and Transport Systems: Carbon steel flanges are commonly used in oil and gas pipelines to connect sections of pipe, valves, and other components. They provide a reliable seal and are capable of handling high pressures and extreme temperatures. Refineries and Petrochemical Plants: Carbon steel flanges are used in refining processes and in the transportation of crude oil and natural gas. They withstand the mechanical stresses and corrosion from various chemicals. Offshore Platforms: These flanges are used in offshore oil platforms where they handle high-pressure conditions in subsea pipelines and other critical infrastructure. 2. Chemical and Petrochemical Industry: Chemical Processing Equipment: Carbon steel flanges are used in reactors, heat exchangers, and distillation columns where the materials are exposed to high-pressure chemicals. They are preferred in systems that handle neutral or moderately corrosive chemicals. Pipelines for Chemical Transport: Used in chemical plants to transport fluids that are not highly corrosive, carbon steel flanges are durable and reliable in these settings. 3. Power Generation: Steam and Gas Turbines: Carbon steel flanges are widely used in power plants, especially in steam and gas turbines, where high pressure and temperatures are present. Cooling Systems: These flanges are found in cooling water systems, heat exchangers, and other systems where water or air is circulated to cool equipment. 4. Water Treatment Plants: Water Distribution Systems: Carbon steel flanges are commonly used to connect pipes in water distribution systems, especially in municipal water treatment and sewage treatment plants. Desalination Plants: These flanges are also employed in desalination plants, where seawater is converted into fresh water, due to their strength and ability to handle high-pressure environment. Conclusion: Ladhani Metal Corporation ensures the production of these carbon steel flanges meets the highest standards of quality and precision, ensuring long-term durability and reliable performance in even the most demanding applications. Each flange is manufactured according to strict specifications and undergoes thorough testing to guarantee safe and reliable operation in high-pressure environments. #din2545 #din2545flanges #din2545carbonsteelflanges #flanges #flangessupplier

DIN 2545 Super Duplex flanges are specifically designed to offer outstanding strength and resistance to corrosion, especially in highly aggressive environments. Ladhani Metal Corporation supplies these high-performance flanges made from super duplex stainless steel, combining the advantages of both austenitic and ferritic structures to achieve superior mechanical properties and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. With a pressure rating of PN 40, these flanges can withstand pressures up to 40 bar, ensuring reliable and safe performance in demanding applications such as offshore oil and gas, chemical processing, and marine industries. Types of DIN 2545 Super Duplex Flanges: Flat Face Flanges (FF) – These flanges have a flat sealing surface, suitable for low-pressure systems where uniform distribution of sealing force is needed. Raised Face Flanges (RF) – These flanges feature a raised area around the bolt holes, providing higher sealing pressure and better performance in higher-pressure environments. Ring-Type Joint (RTJ) Flanges – Designed with a groove to accommodate a metal sealing ring, these flanges are ideal for use in high-pressure and high-temperature systems. Grades and Chemical Composition: Super Duplex 2507 (UNS S32750) Chemical Composition: Chromium (Cr): 25% Nickel (Ni): 7% Molybdenum (Mo): 4% Nitrogen (N): 0.27% Iron (Fe): Balance This composition provides a remarkable combination of properties: Corrosion Resistance: Excellent protection against pitting, crevice corrosion, and stress corrosion cracking, even in environments containing chlorides or other aggressive chemicals. High Strength: The high molybdenum and nitrogen content enhance both the strength and corrosion resistance of the material, making it ideal for applications in highly corrosive, high-pressure environments. Ductility and Toughness: Despite its high strength, Super Duplex 2507 maintains good ductility, which is crucial Super Duplex 2507 is a high-alloy material known for its exceptional resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. It is used in the most demanding applications, including offshore and subsea oil and gas, where high pressures and harsh environments are common. The enhanced molybdenum and nitrogen content provide superior mechanical strength and corrosion resistance. PN 40 Pressure Rating: The "PN" rating indicates the flange's pressure capacity. With PN 40, the flange is rated to handle pressures up to 40 bar, making it suitable for high-pressure applications where reliability and leak-free connections are essential. Applications: DIN 2545 Super Duplex flanges with PN 40 are widely used in industries that require superior performance under extreme conditions. Common applications include: Oil and Gas Industry: Offshore Platforms and Subsea Pipelines: Super duplex flanges are commonly used in offshore oil and gas platforms where exposure to seawater and harsh conditions requires materials with superior resistance to corrosion. Downhole Equipment: These flanges are ideal for equipment used in oil extraction, such as wellhead connections, blowout preventers, and pipeline systems under high pressure. Chemical and Petrochemical Industry: High-Pressure Reactors and Heat Exchangers: Super duplex flanges are essential in systems handling aggressive chemicals, such as acids, alkalis, and chloride-containing compounds, where both high strength and corrosion resistance are critical. Pipelines for Petrochemical Transport: Used in the transportation of petrochemicals and refined products, offering durability against corrosive chemicals and high temperatures. Marine and Offshore Applications: Seawater Cooling Systems: The excellent corrosion resistance of super duplex steel makes these flanges ideal for marine cooling systems, including seawater pumps and piping systems on ships and offshore platforms. Desalination Plants: Super duplex flanges are used in seawater desalination systems, where they help resist the corrosive effects of saltwater. Power Generation Industry: Nuclear and Fossil Fuel Plants: Super duplex flanges are employed in high-pressure steam lines, cooling systems, and heat exchangers where both strength and resistance to corrosion and erosion are necessary. Geothermal Energy Systems: Used in geothermal plants where high-temperature, aggressive fluids may cause corrosion, super duplex flanges ensure long-lasting performance. Conclusion: Ladhani Metal Corporation ensures that each Super Duplex flange meets stringent quality standards and is manufactured to exact specifications, ensuring durability and long-lasting performance in the most challenging environments. #din2545 #din2545flanges #din2545superduplexflanges #flanges

A DIN 2527 AISI 4140 blind flange is a specialized type of blind flange made from AISI 4140 alloy steel, adhering to the DIN 2527 German standard. Blind flanges are crucial components in piping systems, used to seal the end of a pipe, vessel, or valve to isolate it or stop the flow of fluids. The AISI 4140 material used for this specific flange is a high-strength alloy steel known for its robustness and excellent mechanical properties, making it ideal for high-stress applications. AISI 4140, a chromium-molybdenum alloy steel, is renowned for its excellent mechanical properties, including high tensile strength, hardness, and resistance to wear. It is often used in heavy-duty applications such as in the automotive, aerospace, and oil & gas industries, where the need for robust materials is crucial. The use of AISI 4140 steel in a DIN 2527 blind flange ensures that the flange can handle high pressures, temperatures, and mechanical stresses without compromising on performance or safety. Material: AISI 4140 Alloy Steel Composition: AISI 4140 is a medium-carbon steel alloy that contains chromium (Cr) and molybdenum (Mo) as its primary alloying elements. These elements improve the steel's hardness, strength, and wear resistance. Key Properties: Strength: High tensile strength and yield strength, making it capable of withstanding high loads and stress in high-pressure applications. Toughness: Offers excellent toughness and impact resistance, making it suitable for challenging environments where forces are dynamic. Hardness: Can be heat-treated to achieve high hardness levels, providing resistance to wear and abrasion. Corrosion Resistance: While AISI 4140 is not as corrosion-resistant as stainless steel, it can still perform well in less corrosive environments with proper surface treatment (e.g., coatings or galvanizing). Design and Dimensions (DIN 2527) Shape: The blind flange is a flat, circular plate with no central hole. Its purpose is to seal the end of a pipe or vessel, effectively "closing" the pipeline or system. Bolt Holes: The flange has evenly spaced bolt holes around the perimeter, allowing it to be bolted securely to the corresponding flange or fitting in the system. These holes align with the bolt pattern of other components. Thickness: The flange thickness varies depending on the size, pressure class, and specific application requirements. It is designed to withstand internal pressure while providing a reliable seal. Pressure Rating: Flanges are typically rated according to pressure classes such as PN 6, PN 10, PN 16, PN 25, etc., indicating the maximum pressure the flange can safely handle without failure. Applications Pipeline Sealing: The primary function of a blind flange is to seal the open end of a pipeline, preventing the passage of fluids, gases, or other materials through the system. System Isolation: Blind flanges are used to isolate a section of the system for maintenance or repairs, allowing for safe disconnection of parts while maintaining system integrity. Pressure Containment: AISI 4140 blind flanges are also used in applications where maintaining pressure within a system is critical. The high strength and durability of AISI 4140 make it suitable for use in high-pressure environments. Types of Blind Flanges in DIN 2527 Raised Face (RF): The flange surface has a small raised area around the bolt circle to improve sealing when mated with a gasket. Flat Face (FF): The flange surface is level with the flange body, typically used with softer gaskets to create a seal. Ring Type Joint (RTJ): The flange may feature a groove to accommodate a metal ring gasket for high-pressure applications, providing a secure, reliable seal.

Ladhani Metal Corporation manufactures, supplies, and exports SS Half Round Tube Sleeves designed to safeguard boiler tubes, reheater tubes, superheater tubes, and economizer tubes from erosion, corrosion, and high-temperature wear. These sleeves cover the exposed half portion of the tube that faces maximum impact from high-velocity flue gases, abrasive fly ash, and soot blower streams. By acting as a protective sacrificial barrier, SS Half Round Tube Sleeves significantly extend tube service life, reduce downtime, and ensure improved reliability of boilers and heat recovery systems. Function of SS Half Round Tube Sleeves • Provide resistance to erosion and localized tube thinning • Protect tubes from flue gas velocity, abrasive ash, and oxidation • Maintain mechanical strength at elevated temperatures • Enhance durability of steam generation equipment under harsh service conditions Available Grades Stainless Steel Grades • SS 304 / SS 304L • SS 310 / SS 310S • SS 316 / SS 316L • SS 410 / SS 420 / SS 430 Special Alloy Grades • 1Cr18Ni9Ti • Cr25Ni20 • 1Cr25Ni20Si2 • Cr23Ni13 • 1Cr20Ni14Si2 • 1Cr13 Applications • Power generation boilers – reheater, superheater, and economizer tube protection • Waste Heat Recovery Boilers (WHRBs) – resistance to high-velocity flue gases • Heat Recovery Steam Generators (HRSGs) – enhanced life under cyclic thermal stress • Industrial boilers – protection from abrasion and oxidation in critical tube sections • Petrochemical and process heaters – reliable protection in reheating zones Features • High corrosion and oxidation resistance • Excellent thermal stability and mechanical integrity • Low-maintenance, long service life solution • Available in a wide range of stainless steel and special alloy grades • Precision-engineered fit for exact tube curvature Conclusion SS Half Round Tube Sleeves by Ladhani Metal Corporation provide long-lasting erosion and corrosion protection for boiler tubes in demanding environments. With availability in multiple stainless steel and special alloy grades, these sleeves are suitable for global power plants, WHRBs, HRSGs, and industrial steam systems, ensuring extended equipment performance and reduced maintenance costs. #Mumbai #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Bharuch #Ankleshwar #Vapi #Delhi #Faridabad #Ghaziabad #Noida #Gurugram #Chennai #Coimbatore #Tiruchirappalli #Hyderabad #Visakhapatnam #Vijayawada #Bangalore #Mangalore #Mysore #Kolkata #Durgapur #Asansol #Bhubaneswar #Rourkela #Raipur #Bhilai #Bilaspur #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Jabalpur #Kanpur #Lucknow #Varanasi #Jaipur #Kota #Udaipur #Jodhpur #Chandigarh #Ludhiana #Jalandhar #Haridwar #Dehradun #Agra #Meerut #Aligarh #Moradabad #Bareilly #Mathura #Gwalior #Rewa #Satna #Sagar #Ujjain #Ratlam #Solapur #Kolhapur #Amravati #Akola #Jalgaon #Latur #Sangli #Nanded #Gandhinagar #Bhavnagar #Mehsana #Surendranagar #Junagadh #Nadiad #Nizamabad #Karimnagar #Warangal #Kurnool #Nellore #Tirupati #Madurai #Tirunelveli #Thoothukudi #Belgaum #Hubli #Tumkur #Sambalpur #Jamshedpur #Ranchi #Dhanbad #Patna #Muzaffarpur#halftubeshield #utypehalftubeshield #tubeshieldexporter #TubeShield #HalfTubeShield #SSHalfRoundShield #BoilerTubeShield #BoilerShield #TubeProtection #Tubeshieldmanufacturer #BoilerTubeProtection #SSTubeShield #MetalIndustry #SteelFabrication #IndustrialShielding #SS304Shield #SS316Shield #StainlessSteelShield #WeldOnShield #WeldedTubeShield #TubeCladding #BoilerTubeSleeve #TubeSleeve #MetalFabrication #PowerPlantSupplies #RefineryEquipment #ProcessIndustry #MetalComponent #TubeShieldForBoilers #BoilerParts #SteelSolutions #TubeShieldManufacturer #TubeShieldSupplier #SSShielding #IndustrialTubeShield #BoilerTubeGuard #CustomMetalParts #SteelIndustryIndia #MetalEngineering #HeavyIndustrySupply #StainlessSteelIndia #SteelExporters #MetalComponentExport #FabricatedProducts #SteelDealer #IndustrialSupplyIndia #BoilerTubeFittings #TubeShieldingSolutions #HalfTubeCover #HeatExchangerShield #HalfRoundReheaterShield #ReheaterTubeShield #BoilerReheaterProtection #PowerPlantTubeShield #BoilerErosionShield #SteamBoilerTubeShield #HighTempTubeShield #BoilerWearProtection