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
|
W
|
B
|
保證值 |
0.05 ~0.12 |
≤1.00 | ≤0.60 | ≤0.030 | ≤0.030 |
1.50~ 2.50 |
0.30~ 0.80 |
0.20~ 0.60 |
0.20~ 0.60 |
0.001~ 0.003 |
熔敷金屬力學(xué)性能(745~775℃×2h熱處理)
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保證值 | ≥550 | ≥460 | ≥15 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 60~90 | 90~120 | 140~180 | 170~210 |