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(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
W
|
Nb
|
保證值 | ≤0.20 | ≤3.50 | ≤0.70 | ≤0.030 | ≤0.035 |
15.0~ 17.0 |
33.0~ 37.0 |
2.0~3.0 | ≤0.75 | 2.0~3.0 |
1.0~ 2.0 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
A
(%) |
保證值 | ≥590 | ≥25 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.0
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 40~80 | 50~100 | 70~120 | 90~160 | 140~200 |