1, Type and usage of prepainted steel sheet:
Type of base metal |
Steel grade |
Grade of base metal |
Application |
STANDARD |
|
Hot-dip zinc coated |
TDC51D |
DC51D+Z |
Normal use |
Q/BQB 420 |
|
TDC52D |
DC52D+Z |
For drawing |
||
|
TDC53D |
DC53D+Z |
For deep drawing |
||
|
TS280GD |
S280GD+Z |
Structure |
||
|
TS350GD |
S350GD+Z |
Structure |
||
|
TS550GD |
S550GD+Z |
For high-strength structure |
||
|
Hot-dip alu-zinc alloy coated |
TDC51D+AZ |
DC51D+AZ |
Normal use |
Q/BQB 425 |
|
TDC52D+AZ |
DC52D+AZ |
For Drawing |
||
|
TS250GD+AZ |
S250GD+AZ |
Structure |
||
|
TS300GD+AZ |
S300GD+AZ |
Structure |
||
|
TS350GD+AZ |
S350GD+AZ |
Structure |
||
|
TS550GD+AZ |
S550GD+AZ |
For high-strength structure |
||
|
Electro-galvanized |
TSECC |
SECC |
Normal use |
Q/BQB 430 |
|
TSECD |
SECD |
For drawing |
||
|
TSECE |
SECE |
For deep drawing |
||
|
TBLCE |
BLCE+Z |
Normal use |
||
|
TBLDE |
BLDE+Z |
For drawing |
||
|
TBUSDE |
BUSDE+Z |
For deep drawing |
|
Q/BQB 440-2003 |
JISG 3312-1994 |
|
TDC51D(TSt01,TSt02,TSt03) |
CGCC |
|
TDC52D |
CGCD1 |
|
TDC53D |
-- |
|
TS280GD(TStE28) |
CGC400 |
|
TS350GD(TStE34) |
CGC440 |
|
TS550GD |
CGC570 |
|
TSECC |
-- |
|
TSECD |
-- |
|
TSECE |
-- |
|
TBLCE |
-- |
|
TBLDE |
-- |
|
TBUSDE |
-- |
|
Q/BQB 445-2004 |
AS2728-1997a(AS1397-2001) |
JISG 3322-1998 |
|
TDC51D+AZ |
(G2+AZ) |
CGL CC |
|
TDC52D+AZ |
(G3+AZ) |
CGL CD |
|
TS250GD+AZ |
(G250+AZ) |
-- |
|
TS300GD+AZ |
(G300+AZ) |
-- |
|
TS350GD+AZ |
(G350+AZ) |
CGL C490 |
|
TS550GD+AZ |
(G550+AZ) |
CGL C570 |