宝钢冷轧牌号对照表 宝钢冷轧牌号对照表低碳钢 Q/BQB 402-2021 Q/BQB 403-2021 Q/BQB 408-2021 JIS G3141-1996 JFS A2021-1998 EN 10130-1999 DIN 1623（1）-1983 ASTM A1008-02el GB/T 5213-2021 ISO 3574-1994 SPCC DC01 BLC SPCC JSC270C DC01 St12 CS - CR1 SPCD DC03 BLD SPCD JSC270D DC03 RRSt13 DS - CR2 SPCE DC04 BUSD SPCE JSC270E DC04 St14 DDS SC1 CR3 SPCE DC05 BUFD SPCEN JSC270F DC05 - EDDS SC2 CR4 - DC06 BSUFD - JSC260G DC06 - - SC3 CR5 碳素结构钢 Q/BQB 410-2021 DIN 1623-(2)-1986 t37-2G St37-2G St44-3G St44-3G St52-3G St52-3G 加磷
