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SA 387 Grade 91 Alloy Steel Plate / Sheet

SA 387 Grade 91 is a high-strength chromium-molybdenum-vanadium alloy steel developed for high-temperature and high-pressure service. Supplied in plate and sheet form (sheet cut from plate), this grade is widely used in advanced power generation, petrochemical, and refinery applications where superior creep resistance, elevated temperature strength, and long-term microstructural stability are essential. The addition of vanadium and niobium (columbium) provides exceptional resistance to creep and thermal fatigue under prolonged service conditions. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SA 387 Grade 91 alloy steel plates and sheets. Our materials are sourced from approved mills and supplied in normalized and tempered condition, ensuring consistent quality, excellent mechanical performance, and full compliance with ASME SA 387 / ASTM A387 standards for critical pressure equipment. Forms Available: plate, sheet (cut from plate) Grades Available: SA 387 Grade 5, Grade 9, Grade 11, Grade 12, Grade 22, Grade 91 Chemical Composition (% – SA 387 Grade 91): • Carbon (C): 0.08 – 0.12 • Chromium (Cr): 8.00 – 9.50 • Molybdenum (Mo): 0.85 – 1.05 • Manganese (Mn): 0.30 – 0.60 • Silicon (Si): 0.20 – 0.50 • Vanadium (V): 0.18 – 0.25 • Niobium (Nb): 0.06 – 0.10 • Nitrogen (N): 0.03 – 0.07 • Phosphorus (P): ≤ 0.020 • Sulphur (S): ≤ 0.010 Mechanical Properties (SA 387 Grade 91 – typical, vary by thickness): • Tensile Strength: 585 – 760 MPa • Yield Strength: minimum 415 MPa • Elongation: minimum 18% Key Features: • Outstanding creep resistance at elevated temperatures • Excellent strength retention up to approximately 600°C • Superior resistance to thermal fatigue and oxidation • High-pressure capability for critical service environments • Requires controlled welding procedures with mandatory PWHT • Long service life in severe operating conditions Material Characteristics: SA 387 Grade 91 alloy steel is a modified 9Cr-1Mo steel strengthened with vanadium and niobium for improved creep rupture strength and microstructural stability. It is specifically designed for long-term exposure to high temperature and pressure, making it a preferred material for next-generation power plants and critical refinery equipment. Applications: • High-temperature pressure vessels • Boilers and superheater components • Heat recovery steam generators (HRSG) • Power plant headers and piping components • Refinery and petrochemical reactors • Oil & gas high-pressure processing units Conclusion: Ladhani Metal Corporation supplies premium-quality SA 387 Grade 91 alloy steel plates and sheets for the most demanding high-temperature and high-pressure applications. With superior chemical stability, exceptional mechanical performance, and compliance with international standards, SA 387 Grade 91 is the material of choice for critical service environments. For customized sizes, technical consultation, or grade comparison, contact Ladhani Metal Corporation. #SA387 #SA387AlloySteel #ASTMA387 #ChromiumMolybdenumSteel #CrMoSteel #AlloySteelPlate #AlloySteelSheet #PressureVesselSteel #BoilerSteel #HighTemperatureSteel #HighPressureSteel #HeatResistantSteel #RefinerySteel #PetrochemicalSteel #PowerPlantSteel #OilAndGasSteel #ThermalPlantSteel #ReactorSteel #HeatExchangerSteel #HeavyEngineeringSteel #IndustrialSteel #EngineeringSteel #FabricationSteel #WeldableAlloySteel #SteelPlates #SteelSheets #AlloySteelProducts #SteelForRefineries #SteelForBoilers #SteelForPressureVessels #SteelManufacturers #SteelSuppliers #SteelExporters #IndianSteel #AlloySteelSupplier #SteelPlatesIndia #SteelSheetsIndia #MetalIndustry #IndustrialFabrication #PowerGenerationSteel #EnergySectorSteel #ASTMSteel #ASMESteel #AlloySteel Mumbai #NaviMumbai #Thane #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Gandhidham #Delhi #Faridabad #Gurugram #Noida #Ghaziabad #Jaipur #Neemrana #Ludhiana #Jalandhar #Amritsar #Chandigarh #Kolkata #Howrah #Durgapur #Bokaro #Jamshedpur #Rourkela #Bhubaneswar #Visakhapatnam #Vijayawada #Hyderabad #Chennai #Coimbatore #Salem #Hosur #Bengaluru #Tumakuru #Belagavi #Hubballi #Mangaluru #Kochi #Ernakulam #Trivandrum #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Raipur #Bhilai

SA 387 alloy steel plate/sheet

SA 387 Grade 22 Alloy Steel Plate / Sheet

SA 387 Grade 22 is a chromium-molybdenum alloy steel grade developed for high-temperature and high-pressure service conditions. Supplied in plate and sheet form (sheet cut from plate), this material is extensively used in pressure vessels, boilers, and heat exchangers operating in elevated temperature environments. The 2.25% chromium and 1.0% molybdenum content provides excellent creep resistance, oxidation resistance, and long-term strength stability. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of SA 387 Grade 22 alloy steel plates and sheets. All materials are sourced from approved mills and supplied in normalized and tempered condition, ensuring consistent quality, dimensional accuracy, and full compliance with ASME SA 387 / ASTM A387 standards for pressure equipment. Forms Available: plate, sheet (cut from plate) Grades Available: SA 387 Grade 5, Grade 9, Grade 11, Grade 12, Grade 22 Chemical Composition (% – SA 387 Grade 22): • Carbon (C): 0.05 – 0.15 • Chromium (Cr): 2.00 – 2.50 • Molybdenum (Mo): 0.90 – 1.10 • Manganese (Mn): 0.30 – 0.60 • Silicon (Si): up to 0.50 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.025 Mechanical Properties (SA 387 Grade 22 – typical, vary by thickness): • Tensile Strength: 415 – 585 MPa • Yield Strength: minimum 205 MPa • Elongation: minimum 18% Key Features: • Excellent strength retention at elevated temperatures • Superior creep resistance for long-term service • Good resistance to oxidation and hydrogen attack • Designed for high-pressure and high-temperature environments • Good weldability with controlled preheating and post-weld heat treatment • High structural stability and toughness Material Characteristics: SA 387 Grade 22 alloy steel is engineered for prolonged service under high temperature and pressure. The chromium content enhances oxidation and corrosion resistance, while molybdenum improves tensile strength and creep resistance. This grade offers a stable microstructure, making it suitable for critical pressure-retaining components. Applications: • Pressure vessels and boilers • Heat exchangers and condensers • Refinery and petrochemical equipment • Power plant components • Reactors, separators, and drums • Oil & gas and chemical processing units Conclusion: Ladhani Metal Corporation supplies high-quality SA 387 Grade 22 alloy steel plates and sheets for demanding industrial applications. With excellent chemical stability, reliable mechanical performance, and compliance with international standards, SA 387 Grade 22 remains a preferred material for high-temperature and high-pressure service. For customized sizes, technical assistance, or grade selection, contact Ladhani Metal Corporation. #SA387 #SA387AlloySteel #ASTMA387 #ChromiumMolybdenumSteel #CrMoSteel #AlloySteelPlate #AlloySteelSheet #PressureVesselSteel #BoilerSteel #HighTemperatureSteel #HighPressureSteel #HeatResistantSteel #RefinerySteel #PetrochemicalSteel #PowerPlantSteel #OilAndGasSteel #ThermalPlantSteel #ReactorSteel #HeatExchangerSteel #HeavyEngineeringSteel #IndustrialSteel #EngineeringSteel #FabricationSteel #WeldableAlloySteel #SteelPlates #SteelSheets #AlloySteelProducts #SteelForRefineries #SteelForBoilers #SteelForPressureVessels #SteelManufacturers #SteelSuppliers #SteelExporters #IndianSteel #AlloySteelSupplier #SteelPlatesIndia #SteelSheetsIndia #MetalIndustry #IndustrialFabrication #PowerGenerationSteel #EnergySectorSteel #ASTMSteel #ASMESteel #AlloySteel Mumbai #NaviMumbai #Thane #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Gandhidham #Delhi #Faridabad #Gurugram #Noida #Ghaziabad #Jaipur #Neemrana #Ludhiana #Jalandhar #Amritsar #Chandigarh #Kolkata #Howrah #Durgapur #Bokaro #Jamshedpur #Rourkela #Bhubaneswar #Visakhapatnam #Vijayawada #Hyderabad #Chennai #Coimbatore #Salem #Hosur #Bengaluru #Tumakuru #Belagavi #Hubballi #Mangaluru #Kochi #Ernakulam #Trivandrum #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Raipur #Bhilai

SA 387 alloy steel plate/sheet

SA 387 Grade 11 Alloy Steel Plate / Sheet

SA 387 Grade 11 is a chromium-molybdenum alloy steel grade developed for pressure vessels and equipment operating at elevated temperatures. Supplied in plate and sheet form (sheet cut from plate), SA 387 Grade 11 alloy steel provides excellent high-temperature strength, good oxidation resistance, and improved creep resistance, making it suitable for severe service conditions in power plants, refineries, and petrochemical industries. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SA 387 alloy steel plates and sheets, including SA 387 Grade 11. Our materials are sourced from approved mills and supplied in normalized and tempered condition, ensuring consistent quality, dimensional accuracy, and full compliance with ASME / ASTM standards for pressure vessel and high-temperature applications. Forms Available: plate, sheet (cut from plate) Grades Available: SA 387 Grade 5, Grade 9, Grade 11, Grade 12, Grade 22 Chemical Composition (% – as per SA 387 Grade 11 specification): • Carbon (C): 0.05 – 0.15 • Manganese (Mn): 0.30 – 0.60 • Silicon (Si): 0.50 max • Chromium (Cr): 1.00 – 1.50 • Molybdenum (Mo): 0.45 – 0.65 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.025 Mechanical Properties (Typical, vary by thickness): • Tensile Strength: approx. 415 – 585 MPa • Yield Strength: approx. 205 MPa • Elongation: approx. 20 – 24% Key Features: • Excellent strength and stability at elevated temperatures • Improved oxidation and corrosion resistance • Enhanced creep resistance for long-term service • Good weldability with proper preheating and PWHT • Reliable mechanical performance under pressure • Suitable for high-temperature and high-pressure environments Material Characteristics: SA 387 Grade 11 alloy steel contains higher chromium content compared to Grade 5, providing better oxidation resistance and thermal stability at elevated temperatures. The addition of molybdenum improves creep resistance and high-temperature strength, making this grade ideal for critical pressure-containing components. Applications: • Pressure vessels and boilers • Heat exchangers and condensers • Refinery and petrochemical equipment • Power plant components • Reactors, drums, and separators • Oil & gas and process industry units Conclusion: Ladhani Metal Corporation supplies premium-quality SA 387 Grade 11 alloy steel plates and sheets for demanding high-temperature and pressure service applications. With verified chemical composition, dependable mechanical properties, and strict compliance with international standards, SA 387 Grade 11 remains a preferred material for critical industrial equipment. For customized sizes, grade comparison, or technical assistance, contact Ladhani Metal Corporation. #SA387 #SA387AlloySteel #ASTMA387 #ChromiumMolybdenumSteel #CrMoSteel #AlloySteelPlate #AlloySteelSheet #PressureVesselSteel #BoilerSteel #HighTemperatureSteel #HighPressureSteel #HeatResistantSteel #RefinerySteel #PetrochemicalSteel #PowerPlantSteel #OilAndGasSteel #ThermalPlantSteel #ReactorSteel #HeatExchangerSteel #HeavyEngineeringSteel #IndustrialSteel #EngineeringSteel #FabricationSteel #WeldableAlloySteel #SteelPlates #SteelSheets #AlloySteelProducts #SteelForRefineries #SteelForBoilers #SteelForPressureVessels #SteelManufacturers #SteelSuppliers #SteelExporters #IndianSteel #AlloySteelSupplier #SteelPlatesIndia #SteelSheetsIndia #MetalIndustry #IndustrialFabrication #PowerGenerationSteel #EnergySectorSteel #ASTMSteel #ASMESteel #AlloySteel Mumbai #NaviMumbai #Thane #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Gandhidham #Delhi #Faridabad #Gurugram #Noida #Ghaziabad #Jaipur #Neemrana #Ludhiana #Jalandhar #Amritsar #Chandigarh #Kolkata #Howrah #Durgapur #Bokaro #Jamshedpur #Rourkela #Bhubaneswar #Visakhapatnam #Vijayawada #Hyderabad #Chennai #Coimbatore #Salem #Hosur #Bengaluru #Tumakuru #Belagavi #Hubballi #Mangaluru #Kochi #Ernakulam #Trivandrum #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Raipur #Bhilai

SA 387 alloy steel plate/sheet

SA 387 Alloy Steel Plate / Sheet

SA 387 is a chromium-molybdenum alloy steel specification primarily intended for high-temperature and pressure service applications. Supplied in plate and sheet form (sheet cut from plate), SA 387 alloy steel is widely used in pressure vessels, boilers, and heat exchangers where elevated temperature strength, oxidation resistance, and creep resistance are critical. The addition of chromium and molybdenum enhances mechanical strength, corrosion resistance, and long-term stability under severe operating conditions. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SA 387 alloy steel plates and sheets. Our SA 387 materials are sourced from approved mills and supplied in normalized and tempered condition, ensuring consistent quality, excellent mechanical performance, and full compliance with ASME / ASTM standards for pressure equipment and high-temperature applications. Forms Available: plate, sheet (cut from plate) Grades Available: SA 387 Grade 5, Grade 9, Grade 11, Grade 12, Grade 22 Chemical Composition (% – typical limits, vary by grade): • Carbon (C): up to 0.15 • Chromium (Cr): 1.00 – 2.25 • Molybdenum (Mo): 0.45 – 1.00 • Manganese (Mn): up to 0.60 • Silicon (Si): up to 0.50 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.025 Mechanical Properties (Typical, vary by grade and thickness): • Tensile Strength: approx. 415 – 690 MPa • Yield Strength: approx. 205 – 415 MPa • Elongation: approx. 18 – 25% Key Features: • Excellent strength at elevated temperatures • Good resistance to oxidation and hydrogen attack • Improved creep resistance for long-term service • Good weldability with controlled preheat and post-weld heat treatment • High toughness and structural stability • Suitable for high-pressure and high-temperature environments Material Characteristics: SA 387 alloy steel is engineered for applications involving sustained exposure to high temperatures and pressures. The chromium content improves oxidation and corrosion resistance, while molybdenum enhances strength and creep resistance. Different grades within the SA 387 specification allow flexibility in material selection based on operating temperature, pressure, and service conditions. Applications: • Pressure vessels and boilers • Heat exchangers and condensers • Refinery and petrochemical equipment • Power plant components • Reactors and separators • Oil & gas processing units Conclusion: Ladhani Metal Corporation supplies high-quality SA 387 alloy steel plates and sheets for critical high-temperature and pressure applications. With excellent mechanical strength, superior thermal stability, and compliance with international standards, SA 387 alloy steel remains a preferred choice for demanding industrial environments. For grade selection, customized dimensions, or technical assistance, contact Ladhani Metal Corporation. #SA387 #SA387AlloySteel #ASTMA387 #ChromiumMolybdenumSteel #CrMoSteel #AlloySteelPlate #AlloySteelSheet #PressureVesselSteel #BoilerSteel #HighTemperatureSteel #HighPressureSteel #HeatResistantSteel #RefinerySteel #PetrochemicalSteel #PowerPlantSteel #OilAndGasSteel #ThermalPlantSteel #ReactorSteel #HeatExchangerSteel #HeavyEngineeringSteel #IndustrialSteel #EngineeringSteel #FabricationSteel #WeldableAlloySteel #SteelPlates #SteelSheets #AlloySteelProducts #SteelForRefineries #SteelForBoilers #SteelForPressureVessels #SteelManufacturers #SteelSuppliers #SteelExporters #IndianSteel #AlloySteelSupplier #SteelPlatesIndia #SteelSheetsIndia #MetalIndustry #IndustrialFabrication #PowerGenerationSteel #EnergySectorSteel #ASTMSteel #ASMESteel #AlloySteel Mumbai #NaviMumbai #Thane #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Gandhidham #Delhi #Faridabad #Gurugram #Noida #Ghaziabad #Jaipur #Neemrana #Ludhiana #Jalandhar #Amritsar #Chandigarh #Kolkata #Howrah #Durgapur #Bokaro #Jamshedpur #Rourkela #Bhubaneswar #Visakhapatnam #Vijayawada #Hyderabad #Chennai #Coimbatore #Salem #Hosur #Bengaluru #Tumakuru #Belagavi #Hubballi #Mangaluru #Kochi #Ernakulam #Trivandrum #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Raipur #Bhilai

SA 387 Grade 91 Alloy Steel Plate / Sheet

SA 387 Grade 22 Alloy Steel Plate / Sheet

SA 387 Grade 11 Alloy Steel Plate / Sheet

SA 387 Alloy Steel Plate / Sheet

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