Carbon steel is the most widely used category of steel materials in global construction, manufacturing, and industrial applications. As a leading carbon steel supplier from China, we offer a comprehensive range of carbon steel products including plates, coils, sheets, pipes, bars, rebar, and forging steel, conforming to ASTM, EN, GB, JIS, and other international standards. Our carbon steel products are available in various grades such as A36, S355JR, Q235B, Q345B, A516, and many more, suitable for structural fabrication, pressure vessels, shipbuilding, pipeline construction, and general engineering applications. All products are supplied with original mill test certificates and professional export packing.
Spring Steel Wire Rod is hot-rolled coiled rod in medium-to-high carbon alloy spring steel — the primary raw material for drawing spring wire and coil spring manufacturing. Diameter 5.5–40mm. Grades 60Si2Mn, 55CrSi, SUP7, SAE 9260, 51CrV4. Standard and vacuum degassed (VD) quality. Stelmor air-cooled coil. Mill test certificate provided.
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AISI 347H (UNS S34709) niobium-stabilized austenitic stainless steel plate for high-temperature service to 800°C. Enhanced creep strength with 0.04-0.10% carbon and Nb stabilization. Ideal for superheater tubes, refinery heaters, and pressure vessels. Thickness 3-100mm, ASTM A240 certified.
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34CrNiMo6 (1.6582) is a high-strength Ni-Cr-Mo alloy forging steel with excellent toughness and deep hardenability. After Q+T, tensile strength reaches 900-1400 MPa. Available as forged round bars (80-1500mm), blocks up to 30T, and rings up to 5m OD for highly stressed shafts, gears, and energy sector components.
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AISI 4340 (UNS G43400) is a high-strength Ni-Cr-Mo alloy forging steel with exceptional toughness and deep hardenability. After Q+T, tensile strength reaches 900-1400 MPa with excellent fatigue resistance. Available as forged round bars (80-1500mm), blocks up to 30 tons, and rings up to 5m OD for aerospace, oil & gas, and heavy machinery components.
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AISI 4140 (UNS G41400) is a medium-carbon Cr-Mo alloy forging steel with excellent hardenability, high strength after Q+T (tensile 900-1100 MPa), and reliable toughness. Available as forged round bars (80-1500mm), blocks up to 30 tons, and rings up to 5m diameter for shafts, gears, and heavy machinery components.
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SWRH 62B is a high-carbon wire rod per JIS G 3506 with 0.59-0.66% carbon. Diameter 5.5mm to 16mm, spheroidized annealed (HBW 190-260). Primary feedstock for high-strength spring wire, ACSR core wire, PC wire, and high-tensile wire ropes.
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42CrMo4 (1.7225) is a medium-carbon low-alloy forging steel with excellent hardenability, high strength after Q+T (tensile 900-1100 MPa), and reliable toughness. Available as forged round bars (80-1500mm), blocks up to 30 tons, and rings up to 5m diameter for shafts, gears, and heavy machinery components.
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SWRH 42B is a high-carbon spring wire rod per JIS G 3506 with 0.39-0.46% carbon. Diameter 5.5mm to 16mm, spheroidized annealed (HBW 170-230). Primary feedstock for valve springs, suspension springs, and high-performance mechanical springs.
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SAE 1018 is a medium-carbon wire rod with 0.14-0.20% carbon for higher-strength applications. Diameter 5.5mm to 16mm in coil form (1.5-3 tons). Primary feedstock for high-strength fasteners, spring wire, automotive components, and specialty wire products.
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SAE 1008 is a widely used low-carbon wire rod with maximum 0.10% carbon for good cold drawability. Diameter 5.5mm to 14mm in coil form (1.5-3 tons). Primary feedstock for general nails, mesh, wire products, fasteners, and galvanized wire.
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SAE 1006 is the industry standard low-carbon wire rod with maximum 0.08% carbon for excellent cold drawability. Diameter 5.5mm to 14mm in coil form (1.5-3 tons). Primary feedstock for nails, mesh, fasteners, galvanized wire, and electrical conductors.
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BS 4449 Grade 500B is the standard high-yield reinforcing steel rebar in the UK with characteristic yield strength of 500 MPa (72,500 psi). Metric sizes 8mm through 40mm in lengths 6m/12m. Class B ductility. CARES-approved quality. Mill test certificate provided.
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Overview of GB 09MnNiDR Low Temperature Steel Plate GB 09MnNiDR is an elite-grade, low-alloy Manganese-Nickel cryogenic structural steel specifically engineered for pressure vessels operating at extremely low temperatures. Specified under the GB/T 3531 Chinese national standard, its designation highlights its…
Overview of GB 16MnDR Low Temperature Steel Plate GB 16MnDR is a high-performance, low-alloy structural steel grade specifically designed for the fabrication of pressure vessels operating in low-temperature environments. Specified under the GB/T 3531 Chinese national standard, the designation reflects…
Overview of ASTM A516 Grade 70N Pressure Vessel Steel Plate ASTM A516 Grade 70N is a high-performance carbon steel plate specification engineered for service in welded pressure vessels where improved notch toughness is essential. Specified under the ASTM A516/A516M standard…
Overview of GB 09CuPCrNi-A Weathering Steel Plate GB 09CuPCrNi-A is a high-performance atmospheric corrosion-resistant structural steel specified under the GB/T 4171 Chinese national standard. It is the definitive “High Weather Resistance” grade in the Chinese metallurgical system, engineered to provide…
Overview of SPA-H Weathering Steel Plate SPA-H is a high-performance atmospheric corrosion-resistant steel specified under the JIS G 3125 Japanese industrial standard. Often referred to as “Superior Atmospheric Corrosion Resistant Steel,” SPA-H is the industry standard for the manufacturing of…
Overview of EN S355J2W Weathering Steel Plate EN S355J2W is a high-strength, low-alloy structural steel grade specified under the EN 10025-5 European standard. The designation reflects its high-spec engineering: “S” for structural steel, “355” for a minimum yield strength of…
Overview of EN S355J2WP Weathering Steel Plate EN S355J2WP is a high-performance, phosphorus-enriched weathering structural steel specified under the EN 10025-5 European standard. The designation reflects its specialized engineering: “S” for structural steel, “355” for a minimum yield strength of…
Overview of ASTM A242 Weathering Steel Plate ASTM A242 is the original high-strength, low-alloy (HSLA) structural steel specification designed for superior atmospheric corrosion resistance. Often designated as “Type 1” weathering steel, A242 is globally recognized as the equivalent to the…
Overview of ASTM A588 Weathering Steel Plate ASTM A588 is a premier high-strength, low-alloy (HSLA) structural steel specification engineered for enhanced atmospheric corrosion resistance. Often referred to in the industry as weathering steel, A588 is specifically designed for projects where…
Overview of API 5L X70 Pipeline Steel Plate API 5L X70 is an ultra-high-strength carbon steel pipeline grade specified under the American Petroleum Institute (API) Spec 5L standard. Also designated as L485 (based on its 485 MPa minimum yield strength),…
Overview of API 5L X65 Pipeline Steel Plate API 5L X65 is a high-performance, high-strength carbon steel pipeline grade specified under the American Petroleum Institute (API) Spec 5L standard. Also designated as L450 (based on its 450 MPa minimum yield…
Overview of API 5L X60 Pipeline Steel Plate API 5L X60 is a high-strength carbon steel pipeline grade specified under the American Petroleum Institute (API) Spec 5L standard. Also widely known as L415 (based on its 415 MPa minimum yield…
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