TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Mo
|
保證值 | ≤0.08 | 1.50~2.00 | ≤0.50 | ≤0.030 | ≤0.035 | 4.00~5.00 | ≤1.00 |
例值 | 0.048 | 1.57 | 0.15 | 0.005 | 0.013 | 4.20 | 0.50 |
熔敷金屬力學(xué)性能(調(diào)質(zhì)處理后)
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-20℃
|
保證值 | ≥880 | ≥780 | ≥12 | ≥27 |
例值 | 940 | 810 | 18 | 35 |
參考電流(DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 90~120 | 140~180 | 170~210 |