|
|||||||||||||||||||||||||||||||
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Al
|
Cu
|
V
|
Ti
|
Sn*
|
As
|
N*
|
|
0.15
～0.25 |
0.10
～0.35 |
1.15
～1.35 |
≤0.015
|
≤0.012
|
≤0.20
|
0.45～0.85
|
0.40～0.55
|
0.01
～0.05 |
≤0.20
|
≤0.02
|
≤0.03
|
≤0.011
|
≤0.025
|
≤0.013
|
|
公稱厚度mm
|
室溫拉伸
|
300℃拉伸
|
0℃Akv
(橫向，J) |
冷彎
180° |
|||
|
Rel(MPa)
|
Rm(MPa)
|
A5(%)
|
Z(%)
|
R0.2(MPa)
|
|||
|
70
|
≥450
|
590~730
|
≥18
|
≥40
|
≥392
|
平均≥41單值≥34
|
d＝3.5a
|
|
90
|
≥430
|
570~710
|
≥18
|
≥40
|
≥371
|
||
|
120
|
|||||||
