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 LSAW Steel Pipe LSAW (Longitudinal Submerged Arc Welded) steel pipe is a premium-grade welded pipe manufactured by bending and welding steel plates or coils. The process involves forming the plate into a cylindrical shape and then welding the…
Overview of ERW Steel Pipe ERW (Electric Resistance Welded) steel pipe is a high-frequency welded carbon steel pipe manufactured by rolling steel coils and welding the seam using the resistance heating effect. As a cost-effective alternative to seamless pipes, ERW…
Overview of GB 20# Seamless Steel Pipe GB 20# is a premier carbon steel grade specified under the Chinese national standard GB/T 8163 (for fluid service) and GB/T 8162 (for structural service). As one of the most widely utilized seamless…
Overview of EN 10210 S355JRH Steel Pipe EN 10210 S355JRH is a premier hot-finished structural steel hollow section specified under the European standard EN 10210-1 and EN 10210-2. The designation ‘S’ stands for Structural steel, ‘355’ represents the minimum yield…
Overview of API 5L X65 Steel Pipe API 5L X65 (also designated as L450) is a high-performance, high-strength carbon steel line pipe grade specifically engineered for critical oil, natural gas, and water transmission systems. As an elite grade within the…
Overview of API 5L X52 Steel Pipe API 5L X52 (also designated as L360) is a high-strength carbon steel line pipe grade engineered for the efficient transportation of oil, natural gas, and water under elevated pressures. As a prominent high-yield…
Overview of API 5L X42 Steel Pipe API 5L X42 (also designated as L290) is a high-performance carbon steel line pipe grade specified by the American Petroleum Institute for the efficient transportation of oil, gas, and water. Positioned as a…
Overview of API 5L Grade B Steel Pipe API 5L Grade B (also designated as L245) is the primary industry standard for line pipes used in the transportation of oil, gas, and water. Specified by the American Petroleum Institute, this…
Overview of ASTM A53 Grade B Steel Pipe ASTM A53 Grade B is a standard carbon steel pipe grade specified under the ASTM A53 / A53M norm, widely recognized as the versatile workhorse for general industrial and structural applications. It…
Overview of ASTM A106 Grade B Seamless Steel Pipe ASTM A106 Grade B is the most widely used seamless carbon steel pipe specification for high-temperature service applications worldwide. It is manufactured under ASTM A106/A106M standard and is specifically designed to…
Overview of Checkered Steel Plate (Diamond Plate) Checkered steel plate, commonly known as diamond plate or tread plate, is a versatile structural material featuring a regular pattern of raised diamonds, tear drops, or lines on one side. Specified under standards…
Overview of ASTM A1008 Cold Rolled Steel Sheet ASTM A1008 is the premier North American standard for cold-rolled carbon steel sheet, specified under the ASTM A1008 / A1008M norm. As a high-precision material produced through the cold reduction of hot-rolled…
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