牌号 |
C |
Si |
Mn |
P |
S |
Al |
Ti |
DC01EK |
≤0.08 |
≤0.05 |
≤0.50 |
≤0.035 |
≤0.035 |
≥0.02 |
|
DC03EK |
≤0.08 |
≤0.05 |
≤0.50 |
≤0.035 |
≤0.035 |
≥0.02 |
|
DC04EK |
≤0.08 |
≤0.05 |
≤0.50 |
≤0.035 |
≤0.035 |
≥0.02 |
|
DC06EK (BTC1) |
≤0.008 |
≤0.05 |
0.10~0.30 |
≤0.020 |
≤0.050 |
≤0.07 |
≤0.20 |
DC06EK(建筑装饰板用) |
≤0.008 |
≤0.05 |
≤0.50 |
≤0.020 |
≤0.050 |
≤0.07 |
≤0.20 |
|
ReL或Rp0.2
MPa |
Rm
MPa |
A80
% |
r |
冲压级别 |
DC01EK |
£270 |
270-390 |
³30 |
|
CQ |
DC03EK |
£240 |
270-370 |
³34 |
|
DQ |
DC04EK |
£220 |
270-350 |
³36 |
|
DDQ |
DC06EK (BTC1) |
£190 |
270-350 |
³38 |
³1.6 |
EDDQ |
DC06EK(建筑装饰板用)
取样方向:横向 |
³160 |
³290 |
³36 |
|
EDDQ |
|
C |
Si |
Mn |
P |
S |
Al |
BTC210R |
≤0.12 |
≤0.05 |
≤0.70 |
≤0.035 |
≤0.035 |
≥0.010 |
BTC245R |
≤0.12 |
≤0.05 |
≤0.70 |
≤0.035 |
≤0.035 |
≥0.010 |
BTC330R |
≤0.16 |
≤0.05 |
≤0.90 |
≤0.035 |
≤0.035 |
≥0.010 |
BTC360R |
≤0.16 |
≤0.05 |
≤0.90 |
≤0.035 |
≤0.035 |
≥0.010 |
牌号 |
ReL或Rp0.2MPa |
RmMPa |
A:% |
BTC210R |
³210 |
³300 |
³28 |
BTC245R |
³245 |
³340 |
³26 |
BTC330R |
H:小于1.6mm:³290
H: ³ 1.6mm: ³330 |
³400 |
³22 |
BTC360R |
³360 |
³440 |
³22 |