English
English
Strength: 4 Material: carbon steel, alloy steel
Material: Low carbon steel
Material description: C 0.14-0.22, Mn0.3-0.650，Si≤0.30，Cr≤0.30，Cu≤0.30，P≤0.045，S≤0.05，Ni≤0.3， It is similar to American grade 1020, Japanese grade SS400, German, British, and French S235JR, and ISO standard E235
Surface treatment: natural color
