| 低碳钢 |
| Q/BQB 402-2003 | Q/BQB 403-2003 | Q/BQB 408-2003 | JIS G3141-1996 | JFS A2001-1998 | EN 10130-1999 | DIN 1623（1）-1983 | ASTM A1008-02el | GB/T 5213-2001 | 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 |