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 ASTM A387 Grade 22 Steel Plate ASTM A387 Grade 22 is a high-performance chrome-molybdenum alloy steel plate specifically engineered for use in weldable pressure vessels and industrial boilers operating at high temperatures. Specified under the ASTM A387/A387M standard,…
Overview of ASTM A387 Grade 11 Steel Plate ASTM A387 Grade 11 is a high-quality chrome-molybdenum alloy steel plate specifically designed for use in weldable pressure vessels and industrial boilers operating at elevated temperatures. Specified under the ASTM A387/A387M standard,…
Overview of ASTM A537 Class 2 Steel Plate ASTM A537 Class 2 is a high-strength, heat-treated carbon-manganese-silicon steel plate designed specifically for the fabrication of welded pressure vessels and structural components. Unlike Class 1, which is normalized, ASTM A537 Class…
Overview of ASTM A537 Class 1 Steel Plate ASTM A537 Class 1 is a premium heat-treated carbon-manganese-silicon steel plate specifically engineered for use in welded pressure vessels and structural applications. Specified under the ASTM A537/A537M standard, Class 1 plates are…
Overview of ASTM A516 Grade 65 Steel Plate ASTM A516 Grade 65 (A516 Gr.65) is a high-quality carbon steel plate optimized for use in welded pressure vessels and boilers. Positioned between Grade 60 and Grade 70 in terms of tensile…
Overview of ASTM A516 Grade 60 Steel Plate ASTM A516 Grade 60 (A516 Gr.60) is a high-quality carbon steel plate specifically engineered for use in welded pressure vessels and boilers. As a primary grade within the ASTM A516/A516M specification, Grade…
Overview of ASTM A516 Grade 70 Steel Plate ASTM A516 Grade 70 (also referred to as A516 Gr.70) is the most popular pressure vessel steel grade used worldwide. Specified under the ASTM A516/A516M standard, it is primarily intended for service…
Overview of DIN St52 Steel Plate DIN St52 (primarily known in the St52-3 grade) is a high-strength low-alloy (HSLA) structural steel plate that complies with the DIN 17100 standard. It is designed for applications requiring superior mechanical properties and better…
Overview of DIN St37 Steel Plate DIN St37 is a widely used low-carbon structural steel plate compliant with the DIN 17100 standard. Often referred to as “Mild Steel,” St37 (including the common St37-2 grade) is characterized by its excellent weldability,…
Overview of ASTM A588 Grade A Steel Plate ASTM A588 Grade A is a high-strength low-alloy (HSLA) structural steel plate with atmospheric corrosion resistance, commonly known as weathering steel. Specified under the ASTM A588 standard, this grade is specifically designed…
Overview of ASTM A572 Grade 42 Steel Plate ASTM A572 Grade 42 is an intermediate-strength high-strength low-alloy (HSLA) structural steel plate specified under the ASTM A572 standard. It offers a minimum yield strength of 42,000 psi (290 MPa), providing a…
Overview of ASTM A572 Grade 50 Steel Plate ASTM A572 Grade 50 is one of the most popular high-strength low-alloy (HSLA) steel plates in the American standard market. Known for its excellent strength-to-weight ratio and cost-effectiveness, Grade 50 offers a…
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