TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊絲化學(xué)成分(%)
項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Mo
|
Cr
|
Cu
|
保證值 |
0.07~ 0.12 |
0.40~ 0.70 |
0.40~ 0.70 |
≤0.025 | ≤0.025 | ≤0.20 |
0.90~ 1.20 |
2.30~ 2.70 |
≤0.35 |
熔敷金屬力學(xué)性能(Ar+2%O2,熱處理溫度:690±15℃×(60~75min)
試驗(yàn)項(xiàng)目
|
Rm(MPa)
|
ReL/Rp0.2
(MPa) |
A(%)
|
保證值 | ≥620 | ≥540 | ≥17 |
例值 | 690 | 570 | 21 |