Knowledge

Q235 and S275 are both common types of structural steel, but they differ in their chemical composition, mechanical properties, and intended applicatio

Q235 comes from GB/T 700 in classes A to D and S355 from EN 10025-2 in classes JR to K2, with impact test temperature as the main difference within ea

S235 and S355 are the two most widely used non-alloy structural steels in the European system, with minimum yield strengths of 235 MPa and 355 MPa. Th

S355 is a weldable structural steel to EN 10025-2 with a 355 MPa minimum yield strength and sub-grades that guarantee Charpy impact energy down to -40

S355 steel is a low carbon steel whose specifications offer high yield strength. The average minimum yield for S355 steel is 355 N/mm² giving its name

ASTM A36 is the general structural steel specification for shapes, plates and bars, while A992 covers hot-rolled structural shapes only. A992 offers a

ASTM A738 Grade A is a kind of low Carbon, age-hardening, Ni-Cu-Cr-Mo alloy steel plates material used to fabric pressure vessels.

ASTM A737 specification covers high-strength low-alloy steel plates for service in welded pressure vessels and piping components.

ASTM A612 is a normalized carbon-manganese-silicon plate specification for welded pressure vessels in moderate and lower temperature service. It combi

SA533 is a low alloy steel plate primarily used for pressure vessels and boilers. It adheres to the ASTM standard. The “SA” stands for ASME specificat

ASTM A302 is a kind of low alloy steel specification covers 4 different grades(A, B, C, D), Grade C and D contains chemical composition Ni, with the s

ASTM A709 is the Standard Specification for Structural Steel for Bridges and encompasses carbon, high-strength low-alloy, and quenched and tempered al