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
|
保證值 | ≤0.15 | ≥1.00 | ≤0.60 | ≤0.035 | ≤0.035 |
0.70~ 1.10 |
0.50~ 1.00 |
例值 | 0.078 | 1.70 | 0.32 | 0.005 | 0.015 | 1.00 | 0.92 |
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)
|
|
|
|
|
常溫
|
保證值 | ≥830 | ≥740 | ≥14 | - |
例值 | 930 | 815 | 21 | 76 |
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 | 80~110 | 130~170 | 160~200 |