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
|
Mo
|
保證值 | ≤0.20 | ≥1.00 | ≤0.70 | ≤0.035 | ≤0.035 | ≥0.30 |
例值 | 0.085 | 2.77 | 0.37 | 0.011 | 0.017 | 0.74 |
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 | ≥980 | ≥880 | ≥12 | - |
例值 | 1050 | 930 | 18 | 90 |
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 | 170~220 |