- Introduction
- Classification and code
- Similar grades
- For specification
Stamping steel
Q/BQB 420-2003 |
Q/BQB 420-2001 |
Q/BQB 422-2000 |
DC51D+Z(St01Z, St02Z, St03Z) |
St01Z, St02Z, St03Z |
DC51D+Z |
DC52D+Z(St04Z) |
St04Z |
DC52D+Z |
DC53D+Z(St05Z) |
St05Z |
DC53D+Z |
DC54D+Z(St06Z) |
St06Z |
DC54D+Z,DC54D+ZF |
DC56D+Z(St07Z), DC56D+ZF |
St07Z |
DC56D+Z, DC56D+ZF |
DD51D+Z(St01ZR, St02ZR) |
St01ZR, St02ZR |
- |
DD54D+Z(St06ZR) |
- |
- |
Steel for structural use
Q/BQB 420-2003 |
Q/BQB 420-2001 |
Q/BQB 422-2000 |
S220GD+Z,S220GD+ZF |
- |
S220GD+Z,S220GD+ZF |
S250GD+Z,S250GD+ZF |
- |
S250GD+Z,S250GD+ZF |
S280GD+Z(StE280-2Z), |
StE280-2Z |
S280GD+Z |
S320GD+Z,S320GD+ZF |
- |
S320GD+Z,S320GD+ZF |
S350GD+Z(StE345-2Z), |
StE345-2Z |
S350GD+Z |
S550GD+Z,S550GD+ZF |
- |
S550GD+Z,S550GD+ZF |
High strength steel for cold forming
Q/BQB 420-2003 |
Q/BQB 420-2001 |
Q/BQB 422-2000 |
H220PD+Z, H220PD+ZF |
- |
H220PD+Z, H220PD+ZF |
H260PD+Z, H260PD+ZF |
- |
H260PD+Z, H260PD+ZF |
H300LAD+Z, H300LAD+ZF |
- |
H300LAD+Z, H300LAD+ZF |
H340LAD+Z(HSA340Z), H340LAD+ZF |
HSA340Z |
H340LAD+Z |
H380LAD+Z |
- |
H380LAD+Z |
H420LAD+Z(HSA410Z) |
HSA410Z |
H420LAD+Z |
H180YD+Z, H180YD+ZF |
- |
H180YD+Z, H180YD+ZF |
H220YD+Z, H220YD+ZF |
- |
- |
H260YD+Z, H260YD+ZF |
- |
- |
H180BD+Z, H180BD+ZF |
- |
H180BD+Z, H180BD+ZF |
H220BD+Z, H220BD+ZF |
- |
- |
H260BD+Z, H260BD+ZF |
- |
H260BD+Z, H260BD+ZF |
HR340LAD+Z(HSA340ZR) |
HSA340ZR |
- |
HR410LAD+Z(HSA410ZR) |
HSA410ZR |
- |