TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
天津市金桥焊材集团股份有限公司
说明:
J501Fe是铁粉金红石型药皮的碳钢焊条,交直流两用,可进行全位置焊接。熔敷效率为110%左右,具有优良的焊接工艺性能,电弧稳定,飞溅小,再引弧容易,焊缝成型美观。
用途:
适用于碳钢和低合金结构的焊接,如船舶、车辆、机械结构等的焊接。
熔敷金属化学成分(%)
试验项目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cr
|
Mo
|
V
|
保证值 | ≤0.15 | ≤1.25 | ≤0.90 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
例值 | 0.087 | 0.65 | 0.25 | 0.014 | 0.024 | 0.032 | 0.032 | 0.005 | 0.015 |
熔敷金属力学性能
试验项目
|
R m
( MPa) |
R e L
( MPa) |
A
( % ) |
KV2(J)
|
|
|
|
|
0℃
|
保证值 | ≥490 | ≥400 | ≥17 | —— |
例值 | 530 | 435 | 25 | 69 |
参考电流(AC、DC)
焊条直径(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接电流(A) | 70~90 | 90~130 | 160~210 | 210~250 |
注意事项:
⒈焊前应清除焊件的铁锈、油污、水分等杂质。
⒉焊条存放时间过长,应于焊前经180~200℃烘焙1h。
⒉焊条存放时间过长,应于焊前经180~200℃烘焙1h。
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