Hot rolled steels for quenched and tempered springs. Technical delivery conditions
淬火和回火弹簧用热轧钢 交货技术条件

2002-12-18

Hot-rolled steels for quenched and tempered springs - Technical delivery conditions
淬火和回火弹簧用热轧钢.交货技术条件

2004-04-16

Hot rolled wire rod for quenched and tempered spring steel wires

2017-07-12

淬火-回火弹簧钢丝用热轧盘条
Hot-rolled wire rod for quenched and tempered spring steel wires

2017-07-12

Heat-treatable steels, alloy steels and free-cutting steels — Part 6: Hot-rolled steels for quenched and tempered springs
可热处理钢、合金钢和易切削钢第6部分:调质弹簧用热轧钢

2023-11-17

Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
结构钢热轧产品.第6部分:淬火和回火条件下高屈服强度结构钢扁平产品的交货技术条件

2009-12-16