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
|
Ni
|
Mo
|
Cr
|
保证值 | ≤0.10 | ≥1.00 | ≤0.60 | ≤0.030 | ≤0.030 |
2.00~ 2.60 |
0.40~ 0.70 |
≤0.20 |
例值 | 0.052 | 1.53 | 0.17 | 0.006 | 0.012 | 2.10 | 0.48 | 0.030 |
熔敷金属力学性能(620℃×1h热处理)
试验项目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-40℃
|
保证值 | ≥760 | ≥670 | ≥15 | ≥27 |
例值 | 790 | 680 | 22 | 60 |
参考电流(DC+)
焊条直径(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接电流(A) | 60~90 | 80~130 | 140~180 | 180~240 |