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 Q235B Carbon Steel Sheet Q235B is a premier carbon structural steel grade specified under the Chinese national standard GB/T 3274 and GB/T 700. The designation ‘Q’ stands for Qu-fu-dian (Yield Point), ‘235’ represents the minimum yield strength of…
Overview of SPCC Cold Rolled Steel Sheet SPCC is a premier commercial-quality cold-rolled carbon steel sheet grade specified under the JIS G 3141 standard. The designation stands for Steel Plate Cold-rolled Commercial, representing a high-precision material that has been cold-reduced…
Overview of DC04 Cold Rolled Steel Coil DC04 is an elite European standard cold-rolled low-carbon steel grade, specified under the EN 10130 norm as the benchmark for ‘Special Deep Drawing Quality’ (1.0338). Engineered for the most challenging forming applications, DC04…
Overview of DC01 Cold Rolled Steel Coil DC01 is the definitive European standard for cold-rolled low-carbon steel, specified under the EN 10130 norm. Representing the core ‘Commercial Grade’ (1.0330), DC01 is produced from hot-rolled pickled steel through high-precision cold reduction…
Overview of SS400 Hot Rolled Steel Coil SS400 is a fundamental carbon structural steel grade defined under the Japanese Industrial Standard JIS G 3101. The designation ‘SS’ stands for Steel Structure, and ‘400’ signifies a minimum tensile strength of 400…
Overview of Q345B Hot Rolled Steel Coil Q345B is a high-strength low-alloy (HSLA) structural steel specified under the Chinese national standard GB/T 1591. The designation ‘Q’ represents the yield strength (Qu-fu-dian), ‘345’ indicates the minimum yield point of 345 MPa,…
Overview of Q235B Hot Rolled Steel Coil Q235B is a premier carbon structural steel grade specified under the Chinese national standard GB/T 3274 and GB/T 700. The designation ‘Q’ stands for Qu-fu-dian (Yield Point), ‘235’ represents the minimum yield strength…
Overview of SPCD Cold Rolled Steel Coil SPCD is a high-quality, cold-rolled carbon steel grade engineered specifically for drawing applications, as specified under the JIS G 3141 standard. The designation ‘D’ stands for Drawing Quality, representing a material that possesses…
Overview of SPCC Cold Rolled Steel Coil SPCC is a premier commercial-quality cold-rolled carbon steel grade specified under the JIS G 3141 standard. The designation stands for Steel Plate Cold-rolled Commercial, representing a material that has undergone hot rolling, pickling,…
Overview of SPHC Hot Rolled Steel Coil SPHC is a commercial-quality hot-rolled mild steel grade specified under the JIS G 3131 Japanese industrial standard. The designation “S” represents steel, “P” for plate/sheet, “H” for hot-rolled, and “C” for commercial quality.…
Overview of EN S420NL High Strength Structural Steel Plate EN S420NL is a high-performance, weldable fine-grain structural steel grade specified under the EN 10025-3 European standard. This grade represents a significant strength upgrade over the standard S355 series, with its…
Overview of EN S355NL Structural Steel Plate EN S355NL is a high-performance, weldable fine-grain structural steel grade specified under the EN 10025-3 European standard. The designation reflects its sophisticated metallurgical design: “S” for structural steel, “355” for a minimum yield…
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