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08048040025
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Blind Flanges

DIN 2527 SS Duplex Blind Flanges

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08048040025

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Description

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.

country of origin Made in India
Manufactured by Ladhani Metal Corporation
pressure rating PN 6, PN 10, PN 16, PN 25
grade SS duplex
Material Stainless Steel

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Stainless Steel Pipes

ASTM A358 / A358M Stainless Steel Pipes are electric-fusion-welded austenitic chromium-nickel alloy steel pipes designed for high-temperature and corrosive service. These pipes offer excellent corrosion resistance, strength, and durability, making them suitable for demanding industrial and chemical processing applications. Manufactured in accordance with ASTM A358/A358M, this specification covers electric-fusion-welded austenitic chromium-nickel alloy steel pipes for corrosive and high-temperature service. The standard ensures controlled chemical composition, weld quality, mechanical properties, and dimensional accuracy for reliable industrial performance. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A358 / A358M Stainless Steel Pipes, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): EFW pipes, Welded pipes, Large diameter pipes, Annealed pipes, Pickled pipes, Polished pipes Available Grades (as per ASTM A358 / A358M): 304, 304L, 309, 310, 316, 316L, 317, 317L, 321, 347 Scope of Specification: • Covers electric-fusion-welded austenitic stainless steel pipes • Intended for high-temperature and corrosive service • Includes single-welded and double-welded pipe construction • Supplied in annealed and pickled condition Typical Chemical Composition (Grade 316L Example): • Carbon (C): Max 0.03% • Chromium (Cr): 16.00 – 18.00% • Nickel (Ni): 10.00 – 14.00% • Molybdenum (Mo): 2.00 – 3.00% • Manganese (Mn): Max 2.00% • Silicon (Si): Max 1.00% • Phosphorus (P): Max 0.045% • Sulphur (S): Max 0.030% Mechanical Properties (Grade 316L Example): • Tensile Strength: Min 485 MPa • Yield Strength: Min 170 MPa • Elongation: Min 35% • Excellent weldability and corrosion resistance • Suitable for high-temperature applications Key Features: • Excellent corrosion and oxidation resistance • High strength and durability • Suitable for high-temperature service • Good weldability and fabrication properties • Reliable performance in corrosive environments Material Characteristics: ASTM A358 / A358M stainless steel pipes provide excellent resistance to corrosion, oxidation, and elevated temperatures. Austenitic stainless steel grades ensure toughness and long service life, making these pipes ideal for chemical processing and industrial piping systems. Applications: • Chemical and petrochemical industries • Oil and gas processing plants • Power generation plants • Heat exchangers and condensers • Food processing industries • Industrial piping systems Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A358 / A358M Stainless Steel Pipes in a wide range of grades, sizes, and finishes. With excellent corrosion resistance and high-temperature performance, these pipes are widely used in industrial, petrochemical, and engineering applications. For stock availability, customized specifications, or technical details, contact Ladhani Metal Corporation. #ASTMA358 #ASTMA358M #StainlessSteelPipes #EFWPipes #ElectricFusionWeldedPipes #304LPipes #316LPipes #321Pipes #347Pipes #StainlessSteelEFWPipes #WeldedSteelPipes #IndustrialPipes #HighTemperaturePipes #CorrosionResistantPipes #SSPipes #SteelPipeSupplier #PipeManufacturers #StainlessSteelTubing #ProcessPiping #PressurePipes #IndustrialSteel #AlloySteelPipes #HeatResistantPipes #ChemicalProcessingPipes #PetrochemicalPipes #OilAndGasPipes #PowerPlantPipes #RefineryPipes #ASTMStandards #StainlessSteelIndustry #PipeExporters #HeavyEngineering #BoilerPipes #EngineeringMaterials #IndustrialApplications #CustomPipes #LargeDiameterPipes #WeldedPipes #StainlessSteelProducts #MetalIndustry #PipeSolutions #IndustrialSupplies #SteelManufacturing #HighPressurePipes #SS304L #SS316L #SS321 #SS347 #EFWStainlessSteelPipes #PipeIndustry #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly

68179d65be22ee500d53ff54 Card 2

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Carbon Steel Forgings

ASTM A350 / A350M Carbon & Low-Alloy Steel Forgings are forged components designed for use in low-temperature service where notch toughness and impact resistance are critical. These forgings provide excellent strength, ductility, and resistance to brittle fracture, making them suitable for pressure-containing parts operating in cold environments. Manufactured in accordance with ASTM A350/A350M, this specification covers carbon and low-alloy steel forgings requiring notch toughness testing for piping components such as flanges, fittings, valves, and similar parts. The standard ensures controlled chemical composition, mechanical properties, and mandatory impact testing to guarantee performance at low temperatures. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A350 / A350M Carbon & Low-Alloy Steel Forgings, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): Forged flanges, Forged fittings, Forged rings, Forged discs, Forged blocks, Machined forgings Available Grades (as per ASTM A350 / A350M): LF1, LF2 Class 1, LF2 Class 2, LF3 Class 1, LF3 Class 2, LF5 Class 1, LF5 Class 2, LF6 Class 1, LF6 Class 2, LF9, LF787 Scope of Specification: • Covers carbon and low-alloy steel forgings for low-temperature service • Intended for piping components such as flanges, fittings, and valves • Requires impact testing (Charpy V-notch) for notch toughness • Supplied in normalized, normalized and tempered, or quenched and tempered condition Typical Chemical Composition (LF2 Example): • Carbon (C): Max 0.30% • Manganese (Mn): 0.60 – 1.35% • Phosphorus (P): Max 0.035% • Sulphur (S): Max 0.040% • Silicon (Si): 0.15 – 0.30% • Nickel (Ni): May be added for improved low-temperature toughness Mechanical Properties (LF2 Class 1 Example): • Tensile Strength: 485 – 655 MPa • Yield Strength: Min 250 MPa • Elongation: Min 22% • Reduction of Area: Min 30% • Impact Test: Required at specified low temperature Key Features: • Excellent toughness at low temperatures • High resistance to brittle fracture • Good strength and ductility • Suitable for pressure-containing applications • Complies with strict ASTM impact testing requirements Material Characteristics: ASTM A350 / A350M forgings are engineered to maintain strength and toughness under low-temperature conditions. The controlled composition and heat treatment provide resistance to cracking and ensure reliable performance in cold service environments. Applications: • Oil and gas pipelines in cold regions • LNG and LPG processing plants • Cryogenic equipment • Flanges, valves, and fittings • Pressure vessels • Power generation plants Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A350 / A350M Carbon & Low-Alloy Steel Forgings in a wide range of grades, sizes, and specifications. With excellent low-temperature performance and mechanical reliability, these forgings are widely used in oil & gas, petrochemical, and industrial applications. For stock availability, customized specifications, or technical details, contact Ladhani Metal Corporation. #ASTMA350 #ASTMA350LF2 #ASTMA350LF3 #ASTMA350Forgings #CarbonSteelForgings #LowTemperatureSteel #ForgedFlanges #SteelForgings #IndustrialForgings #PressureVesselSteel #PipeFlanges #ForgedComponents #AlloySteelForgings #ASTMStandards #EngineeringMaterials #ForgedRings #CustomForgings #ForgingIndustry #SteelManufacturing #HeavyEngineering #OilAndGasIndustry #PetrochemicalIndustry #PowerPlantEquipment #IndustrialSupplies #SteelExporters #MetalIndustry #ForgedSteel #FlangeManufacturers #ForgingSolutions #IndustrialMaterials #LowTempApplications #SteelProducts #ForgedParts #ASTMCompliance #QualityForgings #ForgingIndia #MumbaiSuppliers #SteelDistributors #B2BManufacturing #ForgingExperts #CustomMetal #SteelIndustry #IndustrialSteel #ForgedFlangeSupplier #CarbonSteelFlanges #PrecisionForgings #EngineeringSolutions #ASTMGradeSteel #IndustrialComponents #MetalForging #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly

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alloy steel forgings

ASTM A336 / A336M Alloy Steel Forgings are high-strength forged components designed for use in pressure and high-temperature applications. These forgings offer excellent mechanical properties, toughness, and resistance to thermal and mechanical stress, making them suitable for critical industrial equipment. Manufactured in accordance with ASTM A336/A336M, this specification covers alloy steel forgings for pressure and high-temperature parts such as flanges, fittings, valves, and similar components. The standard ensures controlled chemical composition, mechanical properties, heat treatment, and quality requirements for reliable performance. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A336 / A336M Alloy Steel Forgings, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): Forged bars, Forged shafts, Forged discs, Forged rings, Forged blocks, Machined forgings Available Grades (as per ASTM A336 / A336M): F1, F5, F9, F11, F12, F22, F91, F92 Scope of Specification: • Covers alloy steel forgings for pressure and high-temperature service • Suitable for components such as flanges, fittings, valves, and turbine parts • Requires heat treatment such as normalizing, quenching, and tempering • Supplied in heat-treated and machined condition Typical Chemical Composition (Grade F22 Example): • Carbon (C): 0.05 – 0.15% • Chromium (Cr): 2.00 – 2.50% • Molybdenum (Mo): 0.87 – 1.13% • Manganese (Mn): 0.30 – 0.60% • Silicon (Si): 0.50 – 1.00% • Phosphorus (P): Max 0.025% • Sulphur (S): Max 0.025% Mechanical Properties (Grade F22 Example): • Tensile Strength: Min 415 MPa • Yield Strength: Min 205 MPa • Elongation: Min 20% • Reduction of Area: Min 35% • Hardness: Controlled as per specification Key Features: • High strength and excellent toughness • Good resistance to high temperature and pressure • Suitable for critical forged components • Good machinability and weldability • Reliable long-term performance Material Characteristics: ASTM A336 / A336M alloy steel forgings provide a combination of strength, toughness, and thermal stability. Alloying elements such as chromium and molybdenum improve high-temperature performance and resistance to oxidation, making these forgings suitable for demanding industrial environments. Applications: • Power plant components (turbines, rotors, shafts) • Oil and gas equipment • Petrochemical industries • Flanges, valves, and fittings • Pressure vessels • Heavy engineering components Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A336 / A336M Alloy Steel Forgings in a wide range of grades, sizes, and specifications. With excellent mechanical properties and high-temperature performance, these forgings are widely used in power generation, petrochemical, and industrial applications. For stock availability, customized specifications, or technical details, contact Ladhani Metal Corporation. #ASTMA336 #ASTMA336M #AlloySteelForgings #ForgedSteel #ForgedComponents #PressureVesselSteel #HighTemperatureSteel #AlloySteelGrades #IndustrialForgings #ForgedFlanges #SteelForgingIndustry #HeatResistantSteel #PowerPlantSteel #PetrochemicalSteel #OilAndGasSteel #BoilerSteel #TurbineComponents #ForgedRings #SteelBlocks #HeavyForging #EngineeringSteel #ForgingManufacturer #SteelSupplier #ForgingExporter #ASTMStandards #AlloySteelProducts #HighPressureForgings #SteelIndustry #IndustrialMaterials #ForgedParts #MetalForging #PrecisionForging #ForgedFittings #ForgedBars #ForgedDiscs #ForgedShafts #ForgedAlloySteel #ThermalPowerSteel #RefinerySteel #InfrastructureSteel #HighStrengthSteel #DurableForgings #MachinedForgings #IndustrialSupply #GlobalSteelMarket #QualitySteel #ForgingSolutions #SteelEngineering #CustomForgings #HeavyEngineering #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly