削切部品SHEET METAL WELDING 削切加工钢系:SS. S__C. SK. SKS. SCM. SKD. SKH. HPM材. NAK材不锈钢系: SUS303. SUS304. SUS316. SUS440C铜系:BS(黄铜). BC(青铜). PBC(磷青铜). BECu(铍铜)铝系:A5052. A5056. A6061. A6063. A2017. A7075树脂系:尼龙. 树脂. 丙烯酸. POM.