供应Q355低合金钢板Q345B 40Cr 42CrMo合金钢板 簿板 中厚板

描述

产品介绍 Q355B钣 C≤0.24%, Si≤0.55%, Mn≤1.6%, P≤0.035%, S≤0.035%, Cr≤0.3%, Ni≤0.3%, Cu≤0.4%, N≤0.012%

规格