Introduction JIS G 3136 specifies hot-rolled steel products used for building structures. These products are designed to provide suitable strength, weldability, and structural reliability for buildings and earthquake-resistant structural frameworks. The standard covers requirements for chemical composition, mechanical properties, dimensional tolerances, testing, and inspection. JIS G 3136:2022 is the current edition and includes SN-grade steels developed for building structural members. Ladhani Metal Corporation is a manufacturer, supplier, and exporter of structural steel plates and sheets for industrial and construction applications. Material can be supplied according to customer requirements, with mill test certificates and quality inspection as applicable. Available Grades SN400A | SN400B | SN400C | SN490B | SN490C Forms of Supply Hot-rolled steel plates Rolled steel sheets Structural steel plates for building construction Cut-to-size and cut-to-length plates Material supplied in specified thicknesses, widths, and lengths Material Type Carbon Steel (CS) | Mild Steel (MS) | Structural Steel | Weldable Building Steel Chemical Composition and Mechanical Properties Example Grade: SN490B Chemical Composition (typical specified limits by weight): Carbon (C): Maximum 0.18% for plates up to 50 mm thick Silicon (Si): Maximum 0.55% Manganese (Mn): Maximum 1.65% Phosphorus (P): Maximum 0.030% Sulfur (S): Maximum 0.015% Mechanical Properties: Yield Strength: Minimum 325 MPa for plates up to 16 mm thick Tensile Strength: 490–610 MPa Elongation: Depends on plate thickness and test specimen Impact Toughness: Charpy impact requirements apply to specified grades and test conditions Chemical composition and mechanical property limits vary by grade and thickness. Confirm the applicable JIS G 3136:2022 requirements and material test certificate before final selection. Surface Finish JIS G 3136 steel plates and sheets 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 Steel products are supplied in the condition permitted by the applicable standard and purchase order. Additional requirements for processing, testing, or inspection should be confirmed when placing the order. Key Features Suitable for building and structural fabrication Good weldability with appropriate welding procedures Controlled yield strength and tensile properties Designed for structural reliability and seismic-resistant building applications Available in different grades and dimensions Material inspection and mill test certificates according to order requirements Applications Commercial and residential building frames High-rise buildings Earthquake-resistant structural frameworks Steel columns and beams Industrial buildings and factories Structural supports and bracing Construction and infrastructure projects Conclusion JIS G 3136 rolled steel sheets and plates are used in building structures requiring controlled mechanical properties, weldability, and structural reliability. The correct grade should be selected according to design loads, seismic requirements, plate thickness, and applicable construction specifications. To place an order or make an enquiry for JIS G 3136 rolled steel sheets and plates, contact Ladhani Metal Corporation with your required grade, thickness, dimensions, delivery condition, and quantity. #JISG3136 #JISG3136Steel #JISG3136Standard #JISG3136StructuralSteel #JISG3136SteelPlates #JISG3136SteelSheets #StructuralSteel #CarbonSteel #RolledSteel #WeldableStructuralSteel #SteelPlates #SteelSheets #MildSteel #MSPlates #MSSheets #SteelPlateManufacturer #SteelPlateSupplier #SteelPlateExporter #SteelManufacturer #SteelSupplier #SteelExporter #SteelStockist #SteelDistributor #IndustrialSteel #EngineeringSteel #SteelProducts #JISStandards #JapaneseSteelStandards #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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