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
|
Ni
|
Mo
|
Cr
|
保證值 | ≤0.10 | ≥1.00 | ≤0.60 | ≤0.030 | ≤0.030 |
2.00~ 2.60 |
0.40~ 0.70 |
≤0.20 |
例值 | 0.052 | 1.53 | 0.17 | 0.006 | 0.012 | 2.10 | 0.48 | 0.030 |
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
(%) |
KV2(J)
|
|
|
|
|
-40℃
|
保證值 | ≥760 | ≥670 | ≥15 | ≥27 |
例值 | 790 | 680 | 22 | 60 |
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 | 80~130 | 140~180 | 180~240 |