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 EH40 Shipbuilding Steel Plate EH40 is a premier ultra-high-strength structural steel plate designed for the most rigorous maritime and offshore applications, certified by the IACS (International Association of Classification Societies) standards. As an elite grade in the 40-series…
Overview of DH40 Shipbuilding Steel Plate DH40 is an ultra-high-strength structural steel plate designed for the most rigorous maritime and offshore applications, governed by the IACS (International Association of Classification Societies) standards. While sharing the same 390 MPa minimum yield…
Overview of AH40 Shipbuilding Steel Plate AH40 is an ultra-high-strength structural steel plate specifically certified for the most demanding applications in the shipbuilding and offshore industries, governed by the IACS (International Association of Classification Societies) standards. As the strongest grade…
Overview of Grade E Shipbuilding Steel Plate Grade E shipbuilding steel is a high-integrity, common-strength structural steel plate certified by the IACS (International Association of Classification Societies). While it shares the same 235 MPa minimum yield strength as Grades A,…
Overview of Grade D Shipbuilding Steel Plate Grade D shipbuilding steel is a high-quality, common-strength structural steel plate certified by the IACS (International Association of Classification Societies). While it shares the same 235 MPa minimum yield strength as Grades A…
Overview of Grade B Shipbuilding Steel Plate Grade B shipbuilding steel is a common-strength structural steel plate certified by the IACS (International Association of Classification Societies) for use in maritime and offshore construction. While it shares the same 235 MPa…
Overview of Grade A Shipbuilding Steel Plate Grade A shipbuilding steel is a common-strength structural steel plate specifically certified for the maritime industry, governed by the IACS (International Association of Classification Societies) standards. As the baseline grade in the hull…
Overview of FH36 Shipbuilding Steel Plate FH36 is an ultra-high-strength structural steel plate specifically engineered for the most rigorous maritime and offshore applications, as defined by the IACS (International Association of Classification Societies) standards. While maintaining the 355 MPa minimum…
Overview of FH32 Shipbuilding Steel Plate FH32 is an ultra-high-integrity structural steel plate specifically engineered for the most extreme maritime environments, governed by the IACS (International Association of Classification Societies) standards. While maintaining the 315 MPa minimum yield strength characteristic…
Overview of EH32 Shipbuilding Steel Plate EH32 is a premier high-strength structural steel plate designed for the most demanding shipbuilding and offshore applications, governed by the IACS (International Association of Classification Societies) standards. While maintaining the 315 MPa minimum yield…
Overview of DH32 Shipbuilding Steel Plate DH32 is a high-strength structural steel plate specifically engineered for the rigorous demands of the shipbuilding and marine industries, governed by the IACS (International Association of Classification Societies) standards. While sharing the same 315…
Overview of AH32 Shipbuilding Steel Plate AH32 is a high-strength structural steel plate designed specifically for the maritime industry, governed by the IACS (International Association of Classification Societies) standards. The “A” indicates the grade’s impact testing requirement at 0°C, “H”…
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