We supply carbon steel plate in thickness from 6mm to 300mm, width up to 4020mm, conforming to ASTM, EN, GB, JIS and other international standards. Popular grades include A36, S355JR, Q235B, Q345B, A572 Grade 50, and SS400. All plates supplied with original mill test certificate. Custom cutting service available. Contact us for competitive factory-direct pricing.
DIN St52 is a high-strength HSLA structural steel plate (355 MPa yield) offering excellent weldability and toughness for bridges, buildings, and heavy machinery frames.
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DIN St37 is a versatile low-carbon mild steel plate (235 MPa yield) known for excellent weldability and formability, ideal for general structural engineering and construction.
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ASTM A588 Grade A is a high-strength weathering steel plate (50 ksi yield) offering 4x better atmospheric corrosion resistance than carbon steel, perfect for unpainted bridges and architecture.
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ASTM A572 Grade 42 is a high-quality intermediate HSLA steel plate (42 ksi yield) offering enhanced ductility, excellent weldability, and reliability for construction and transport engineering.
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ASTM A572 Grade 50 is a popular HSLA steel plate offering 50 ksi yield strength, excellent weldability, and weight savings for construction, bridges, and heavy equipment.
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JIS SM570 is a top-tier high-strength HSLA steel plate (570 MPa tensile) designed for critical welded structures, heavy machinery, and long-span bridges requiring maximum load capacity.
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JIS SM490 is a high-strength structural steel plate for welded structures, offering superior yield strength and excellent weldability for bridges, buildings, and heavy machinery.
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GB Q355B is a modern high-strength HSLA structural steel plate (355 MPa yield) offering superior load-bearing capacity, excellent weldability, and weight savings for bridges and skyscrapers.
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GB Q235B is a high-versatility carbon structural steel plate offering excellent weldability and ductility, making it a cornerstone material in global construction and industrial manufacturing.
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EN S690QL is a high-yield quenched and tempered structural steel plate offering 690 MPa yield strength and superior toughness at -40°C, ideal for crane booms, heavy transport, and mining equipment.
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EN S355J2 is a high-strength structural steel plate offering 355 MPa yield strength and guaranteed toughness at -20°C, ideal for heavy-duty construction, bridges, and machinery.
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EN S275JR is a high-quality non-alloy structural steel plate (275 MPa yield) offering an exceptional balance of strength, weldability, and fabrication versatility for infrastructure and machinery.
View Details →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…
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…
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