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
|
Ni
|
Ti
|
B
|
保證值 | ≤0.10 | ≤1.60 | ≤0.90 | ≤0.035 | ≤0.035 |
0.30~ 0.80 |
0.010~ 0.040 |
0.001~ 0.004 |
例值 | 0.056 | 1.14 | 0.26 | 0.005 | 0.014 | 0.56 | 0.027 | 0.003 |
熔敷金屬力學性能(620℃×1h熱處理)
試驗項目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-40℃
|
保證值 | ≥490 | ≥400 | ≥20 | ≥27 |
例值 | 545 | 455 | 30 | 155 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 60~100 | 80~130 | 120~190 | 160~230 |