TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學成分(%)
試驗項目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Mo
|
保證值 | ≤0.08 |
1.30~ 2.00 |
≤0.50 | ≤0.030 | ≤0.035 |
2.00~ 4.00 |
≤1.00 |
例值 | 0.058 | 1.41 | 0.19 | 0.006 | 0.012 | 3.12 | 0.48 |
熔敷金屬力學性能(調(diào)質(zhì)處理后)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-40℃
|
保證值 | ≥830 | ≥740 | ≥14 | ≥27 |
例值 | 875 | 810 | 17 | 46 |
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 |