奥氏体不锈钢材 基材防腐、双重防护 涂层厚度≥20μm 内层：镀锌层 外层：铝环氧树脂层
Austenitic stainless steel Base material anticorrosion and double protection Coating thickness ≥ 20 μm Inner layer: zinc coating Outer layer: aluminum epoxy resin layer
冷镦制造、无磁性 配合不锈钢+EPDM复合垫圈
Cold heading, non-magnetic With stainless steel + EPDM compound washer
特殊焊接工艺 双金属焊接工艺
Special welding process Welding process of two metals
435合金钢钻尾 局部热处理工艺 闪电钻尾+前段螺纹 贯穿钢板，攻出牙槽 435 alloy steel drill tail Local heat treatment process Lightning sharped drill tail and front thread can run through the steel plate and then tooth tapping. |