TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金属化学成分(%)
试验项目
|
C
|
Mn
|
Si
|
S
|
P
|
Mo
|
保证值 | ≤0.12 | ≤1.00 | ≤0.80 | ≤0.030 | ≤0.030 | 0.40~0.65 |
熔敷金属力学性能(605~645℃×1h热处理)
试验项目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保证值 | ≥490 | ≥390 | ≥22 |
参考电流(AC、DC+)
焊条直径(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接电流(A) | 90~140 | 140~180 | 170~220 |