TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學(xué)成分(%)
試驗項目
|
C
|
S
|
Mn
|
Si
|
P
|
Cr
|
Ni
|
Mo
|
V
|
W
|
Co
|
Cu
|
Fe
|
保證值 |
≤ 0.02 |
≤ 0.015 |
≤1.0 |
≤0.20 |
≤ 0.020 |
14.5- 16.5 |
≥50.0 |
15.0- 17.0 |
≤ 0.40 |
3.0- 4.5 |
≤ 2.5 |
≤ 0.50 |
4.0-7.0 |
例值 | 0.017 | 0.002 | 0.31 | 0.15 |
0.006 |
15.02 | 58.22 | 16.17 |
0.092 |
3.51 |
0.28 |
0.043 | 6.22 |
熔敷金屬力學(xué)性能
試驗項目
|
Rm
MPa |
ReL/Rp0.2
MPa |
A%
|
保證值 |
≥690 |
≥400 |
≥22 |
例值 |
732 | 494 | 43 |
參考電流(DC+)
焊條直徑mm
|
Φ3.2
|
Φ4.0
|
焊接電流A |
70~110 | 100~140 |