Introduction JIS G 3127 specifies hot-rolled nickel steel plates used for pressure vessels and storage equipment operating at low temperatures. These plates are designed to provide suitable strength, toughness, and resistance to brittle fracture under demanding low-temperature and cryogenic service conditions. The standard covers requirements for chemical composition, mechanical properties, heat treatment, testing, and inspection. Nickel steel plates are commonly selected for equipment that must maintain toughness at very low temperatures. Ladhani Metal Corporation is a manufacturer, supplier, and exporter of nickel steel plates for pressure vessel and industrial applications. Material can be supplied according to customer requirements, with mill test certificates and quality inspection as applicable. Available Grades SL2N255 | SL3N255 | SL3N440 | SL5N590| SL9N520 Forms of Supply Hot-rolled nickel steel plates Low-temperature pressure vessel plates Cryogenic service steel plates Cut-to-size and cut-to-length plates Plates supplied in required thicknesses, widths, and lengths Material Type Nickel Alloy Steel | Low-Temperature Pressure Vessel Steel | Cryogenic Steel Chemical Composition and Mechanical Properties Example Grade: SL9N590 Chemical Composition: Carbon (C): 0.12% maximum Silicon (Si): 0.30% maximum Manganese (Mn): 0.90% maximum Phosphorus (P): 0.015% maximum Sulfur (S): 0.015% maximum Nickel (Ni): 8.50–9.50% Mechanical Properties: Yield Strength or Proof Stress: 590 MPa minimum Tensile Strength: 690–830 MPa Elongation: Minimum 21% for specified plate thicknesses of 6–16 mm; requirements vary with thickness and specimen Impact Toughness: Specified Charpy impact testing at low temperatures, including −196°C, according to the applicable requirements The values shown are for the example grade SL9N590. Final requirements should be verified against the applicable edition of JIS G 3127, plate thickness, heat-treatment condition, and material test certificate. Surface Finish JIS G 3127 nickel steel plates are generally supplied with a hot-rolled surface finish. Surface quality, dimensional tolerances, and permissible imperfections are controlled according to the applicable specification and purchase requirements. Delivery Condition The delivery condition depends on the grade and purchase requirements. It may include normalizing, normalizing and tempering, double normalizing and tempering, thermo-mechanical controlled processing, or quenching and tempering, as specified for the selected grade. Key Features Suitable for low-temperature and cryogenic pressure vessel applications Nickel content contributes to low-temperature toughness Controlled chemical composition and mechanical properties Suitable for specified storage tank and pressure vessel designs Available in different grades and plate thicknesses Material inspection and mill test certificates according to order requirements Applications Low-temperature pressure vessels Liquefied natural gas (LNG) storage tanks Liquefied gas storage and processing equipment Cryogenic storage and transportation equipment Chemical and petrochemical processing plants Industrial tanks designed for low-temperature service Pressure vessels operating under cryogenic conditions Conclusion JIS G 3127 nickel steel plates are used in pressure vessels and storage equipment requiring reliable strength and toughness at low temperatures. The appropriate grade should be selected according to operating temperature, design conditions, plate thickness, heat treatment, and impact testing requirements. To place an order or make an enquiry for JIS G 3127 nickel steel plates, contact Ladhani Metal Corporation with your required grade, thickness, dimensions, delivery condition, and quantity. #JISG3127 #JISG3127Steel #JISG3127SteelPlates #JISG3127Standard #JISG3127NickelSteel #NickelSteelPlates #NickelAlloySteel #LowTemperatureSteel #LowTemperatureSteelPlates #PressureVesselSteel #PressureVesselPlates #SteelPlates #NickelSteel #AlloySteelPlates #IndustrialSteel #EngineeringSteel #SteelPlateManufacturer #SteelPlateSupplier #SteelPlateExporter #SteelManufacturer #SteelSupplier #SteelExporter #SteelStockist #SteelDistributor #SteelProducts #SpecialtySteel #JISStandards #JapaneseSteelStandards #IndustrialMaterials #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
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