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
|
V
|
保證值 |
≤ 0.10 |
1.30~2.25 | ≤0.60 | ≤0.030 | ≤0.030 |
0.30~ 1.50 |
1.75~ 2.50 |
0.30~ 0.55 |
≤0.05 |
例值 | 0.076 | 1.70 | 0.45 | 0.005 | 0.015 | 0.50 | 2.46 | 0.36 | 0.015 |
熔敷金屬力學(xué)性能(焊態(tài))
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-50℃
|
保證值 | ≥830 | ≥740 | ≥14 | ≥27 |
例值 | 870 | 835 | 18 | 55 |
參考電流(DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 90~120 | 140~180 | 170~210 |