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
|
N
|
保證值 | ≤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 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
A
(%) |
保證值 | ≥690 | ≥15 |
參考電流(DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
焊接電流(A) | 80~120 | 110~160 |