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
|
保證值 | ≤0.08 | 0.50~ 2.50 |
≤ 1.00 |
≤0.030 | ≤0.040 | 17.0~20.0 | 11.0~14.0 | 2.0~3.0 | ≤0.75 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
A
(%) |
保證值 | ≥520 | ≥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 | 160~200 |