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
|
Ni
|
Mo
|
保證值 | ≤0.12 | 1.00~1.50 | ≤0.50 | ≤0.015 | ≤0.020 | 0.15~0.30 | 0.60~1.30 | 0.20~0.45 |
例值 | 0.058 | 1.36 | 0.22 | 0.005 | 0.010 | 0.24 | 0.94 | 0.40 |
熔敷金屬力學性能(570℃±10℃×2h熱處理)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-20℃
|
保證值 | ≥620 | ≥530 | ≥17 | ≥60 |
例值 | 700 | 630 | 22 | 95 |
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 |