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
|
Mo
|
V
|
保證值 | ≤0.15 | ≥1.00 | ≤0.80 | ≤0.035 | ≤0.035 |
0.70~ 1.10 |
0.50~ 1.00 |
0.05~ 0.15 |
熔敷金屬力學(xué)性能(620℃×1h熱處理)
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保證值 | ≥880 | ≥780 | ≥12 |
參考電流(DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 80~120 | 130~180 | 160~200 |