TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學成分(%)
試驗項目
|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Mo
|
Ni
|
保證值 | 0.05~0.10 | ≤1.00 | ≤0.90 | ≤0.030 | ≤0.030 |
8.00~ 10.50 |
0.85~ 1.20 |
≤0.40 |
熔敷金屬力學性能(725~755℃×1h熱處理)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保證值 | ≥630 | ≥530 | ≥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 |