金属材料里Q235是什么样的材料？

Q235分A、B、C、D四级(GB700-88) rAn中亿财经网财经门户

Q235A级含C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045 rAn中亿财经网财经门户

Q235B级含C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045 rAn中亿财经网财经门户

Q235C级含C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040 rAn中亿财经网财经门户

Q235D级含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035 rAn中亿财经网财经门户

Q代表屈服，意思是屈服强度235MPa，是种很常用的材料 rAn中亿财经网财经门户