冲压工具 stamping tool 冲压法 pressing 冲击 impact 冲击强度 impact strength 冲击测试 impact test 冲锻法;锤锻法;模锻法 drop forging 去毛边 trimming 粗糙度 roughness 光滑的 smooth 法兰盖 blind flange, blind 阀体 body 阀盖 bonnet 气缸(或液压缸)操纵的 cylinder operated 碳素钢 carbon steel (CS) 低碳钢 low-carbon steel 中碳钢 medium-carbon steel 高碳钢 high-carbon steel 普通碳素钢 general carbon steel 优质碳素钢 high-quality carbon steel 普通低合金结构钢 general structure low-alloy steel 合金结构钢 structural alloy steel 合金钢 alloy steel 低合金钢 low alloy steel 中合金钢 medium alloy steel 高合金钢 high alloy steel 耐热钢 heat resisting steel 高强度钢 high strength steel 复合钢 clad steel 工具钢 tool steel 弹簧钢 spring steel 钼钢 molybdenum steel 镍钢 nickel steel 铬钢 chromium steel 铬钼钢 chrome-molybdenum steel 铬镍钢 chromium-nickel steel,chrome-nickel steel 不锈钢 stainless steel (S
) 奥氏体不锈钢 Austenitic stainless st