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 JIS SM570 Steel Plate JIS SM570 is a premium high-strength low-alloy (HSLA) steel plate designed for high-performance welded structures, conforming to the JIS G 3106 standard. As the highest strength grade in the SM series, it offers a…
Overview of JIS SM490 Steel Plate JIS SM490 is a high-strength hot-rolled steel plate designed for welded structures, specified under the JIS G 3106 standard. Unlike general structural steels, the “SM” (Steel Marine) series is specifically optimized for weldability and…
## Overview of GB Q355B Steel Plate GB Q355B is a high-strength low-alloy (HSLA) structural steel plate widely specified under the updated Chinese standard GB/T 1591-2018. As the modern successor to the traditional Q345B grade, Q355B provides an enhanced yield…
Overview of GB Q235B Steel Plate GB Q235B is one of the most widely used carbon structural steels in China, complying with the GB/T 700-2006 standard. The “Q” represents the yield strength (Qu Fu), and “235” indicates its minimum yield…
Overview of EN S690QL Steel Plate EN S690QL is a high-yield strength structural steel in the quenched and tempered condition, specified under the EN 10025-6 standard. The designation “S” stands for structural steel, “690” refers to the minimum yield strength…
Product Overview EN S355J2 is a high-strength structural steel plate designed for heavy-duty engineering and construction. As a low-carbon, high-tensile strength material, it offers a minimum yield strength of 355 MPa and is characterized by its excellent weldability and impact…
Overview of EN S275JR Structural Steel Plate EN S275JR is a high-performance non-alloy structural steel grade specified under the EN 10025-2 standard. The “S” signifies its identity as structural steel, “275” represents its minimum yield strength of 275 MPa (for…
Overview of EN S235JR Steel Plate EN S235JR is a popular non-alloy structural steel grade according to the EN 10025-2 standard. The “S” stands for structural steel, “235” indicates a minimum yield strength of 235 MPa, and “JR” signifies that…
Overview of ASTM A283 Grade C Steel Plate ASTM A283 Grade C is a high-quality carbon structural steel plate covered under the ASTM A283/A283M standard. It is specifically designed for general structural applications that require low to intermediate tensile strength.…
Overview of GB Q460C Steel Plate GB Q460C is a low-alloy high-strength structural steel plate produced according to the Chinese national standard GB/T 1591-2018. As an advanced engineering material, it is specifically designed for structural applications that require high load-bearing…
## Overview of GB Q345B Steel Plate GB Q345B is a premier high-strength low-alloy (HSLA) structural steel plate specified under the Chinese standard GB/T 1591. As a versatile and high-performance material, Q345B offers a significant upgrade in yield and tensile…
Comprehensive Overview of EN S355JR Steel Plate EN S355JR is a high-strength, non-alloy structural steel plate conforming to the European standard EN 10025-2. The “S” signifies it as a structural grade, while “355” indicates a minimum yield strength of 355…
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