sus303切削性棒材#耐热不锈钢303圆钢 Sus303 characteristics and scope of application: stainless steel stainless steel to improve machinability, burning resistance. The most suitable for automatic lathe. Bolt, nut. sus303不锈钢特性及适用范围:不锈钢提高切削性,耐烧性。最适用于自动车床。螺栓、螺母。 sus303化学成份: 碳 C :≤0.15 硅 Si:≤1.00 锰 Mn:≤2.00 硫 S :≤0.15 磷 P :≤0.20 铬 Cr:17.00~19.00 镍 Ni:8.00~10.00 钼 Mo:可加入≤0.60