Q235 steel is a plain carbon structural steel which is widely used in China. Q235 material equivalent to ASTM A36, and S235, tensile strength is 370-500 MPa; yield strength is 235 MPa. This article shows the details of Properties, Composition & Equivalent for Q235.
We (UnionSSM) will introduce you the main Chinese Standards for Structure Steels in this blog. GB means "Chinese national standard" in English. Mandatory standards are prefixed with "GB"; The recommended standard is prefixed with "GB/T".
Q355 steel is a Chinese low alloy high strength structural steel, it equivalent to S355, with minimum value of yield strength 355 MPa and tensile strength is 470-630 Mpa. This article shows the details of Properties, Composition & Equivalent for Q355.