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 | ≤0.12 | ≤1.00 | ≤0.80 | ≤0.030 | ≤0.030 | 0.40~0.65 |
熔敷金屬力學性能(605~645℃×1h熱處理)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保證值 | ≥490 | ≥390 | ≥22 |
參考電流(AC、DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 90~140 | 140~180 | 170~220 |