Quality control for JIS G3101 SS400 equivalent steel Q235B
JIS G3101 SS400 equivalent steel Q235B is Chinese mild steel. JIS G3101 SS400 equivalent steel Q235B has intermediate to low yield strength, good formability and weldability. It can be used in structural, mechanical and other engineering purposes.
Heat and product analysis shall be performed wherein JIS G3101 SS400 equivalent steel Q235B shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, and copper. JIS G3101 SS400 equivalent steel Q235B specimens shall also undergo tensile tests and shall conform to required values of tensile strength, yield point, and elongation.
JIS G3101 SS400 equivalent steel Q235B plate made from coils or with no heat treatment, additional test is required for its stress relieving, usually after steel coil is decoiled.