- 產(chǎn)品
- 供應(yīng)
- 公司
- 新聞
|
|
||||||||||||||||||||||||||||
供應(yīng)高強(qiáng)度Q390鋼板 供應(yīng)高強(qiáng)度Q390鋼板
|
等級(jí)
|
C
|
Mn
|
Si
|
P
|
S
|
V
|
Nb
|
Ti
|
Al
|
Cr
|
Ni
|
|
A
|
≤0.20
|
1.00～1.60
|
≤0.55
|
≤0.045
|
≤0.045
|
0.02～0.20
|
0.015～0.060
|
0.02～0.20
|
-
|
≤0.30
|
≤0.70
|
|
B
|
≤0.20
|
1.00～1.60
|
≤0.55
|
≤0.040
|
≤0.040
|
0.02～0.20
|
0.015～0.060
|
0.02～0.20
|
-
|
≤0.30
|
≤0.70
|
|
C
|
≤0.20
|
1.00～1.60
|
≤0.55
|
≤0.035
|
≤0.035
|
0.02～0.20
|
0.015～0.060
|
0.02～0.20
|
≥0.015
|
≤0.30
|
≤0.70
|
|
D
|
≤0.20
|
1.00～1.60
|
≤0.55
|
≤0.030
|
≤0.030
|
0.02～0.20
|
0.015～0.060
|
0.02～0.20
|
≥0.015
|
≤0.30
|
≤0.70
|
|
E
|
≤0.20
|
1.00～1.60
|
≤0.55
|
≤0.025
|
≤0.025
|
0.02～0.20
|
0.015～0.060
|
0.02～0.20
|
≥0.015
|
≤0.30
|
≤0.70
|
|
等級(jí)
|
δ5/%
|
|
A
|
≥19
|
|
B
|
≥19
|
|
C
|
≥20
|
|
D
|
≥20
|
|
E
|
≥20
|
|
厚度（直徑、邊長）/mm
|
≤16
|
>16～35
|
>35～50
|
>50～100
|
|
σs/MPa
|
≥390
|
≥370
|
≥350
|
≥330
|
|
等級(jí)￤溫度
|
+20℃
|
0℃
|
-20℃
|
-40℃
|
|
A
|
|
|
|
|
|
B
|
≥34
|
|
|
|
|
C
|
|
≥34
|
|
|
|
D
|
|
|
≥34
|
|
|
E
|
|
|
|
≥27
|
