元素
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Ni
|
Cu
|
SA-213M T22
|
0.05-
0.15
|
≤0.50
|
0.30-0.60
|
≤0.025
|
≤0.025
|
1.90- 2.60
|
0.87- 1.13
|
||
DG1843-2002
|
0.05-
0.15
|
≤0.50
|
0.30-0.60
|
≤0.025
|
≤0.025
|
1.90- 2.60
|
0.87- 1.13
|
≤0.30
|
≤0.20
|
項(xiàng)目
|
σs
Mpa
|
σb
MPa
|
δ,% L0=50mm
|
硬度HRB、HB、HV
|
SA-213M*
|
≥205
|
≥415
|
≥30
|
≤85HRB、163HB、170HV
|
DG1843*
|
≥205
|
≥415
|
≥30
|
≤85HRB、163HB、170HV
|