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
|
Mo
|
保證值 | ≤0.10 | ≤2.00 | ≤0.60 | ≤0.030 | ≤0.030 | 0.80~1.00 |
例值 | 0.080 | 1.80 | 0.35 | 0.008 | 0.018 | 0.90 |
熔敷金屬力學性能(620℃×1h熱處理)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
常溫
|
保證值 | ≥760 | ≥670 | ≥15 | ≥27 |
例值 | 855 | 770 | 21 | 95 |
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 | 170~220 |