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
|
Cr
|
Ni
|
Mo
|
Cu
|
N
|
保证值 |
≤0.04 |
0.50~2.00 |
≤1.00 |
≤0.030 |
≤0.040 |
21.5~23.5 |
7.50~10.50 |
2.5~3.5 |
≤0.75 |
0.08~0.20 |
例值 |
0.028 |
1.50 |
0.45 |
0.006 |
0.016 |
22.92 |
8.95 |
3.05 |
0.015 |
0.14 |
熔敷金属力学性能
试验项目
|
Rm(MPa)
|
A(%)
|
保证值 |
≥690 |
≥15 |
参考电流(DC+)
焊条直径(mm)
|
f3.2
|
f4.0
|
焊接电流(A) |
80~120 |
110~160 |