Nickel and Nickel Alloy Welding Electrode
Ni207
GB/T ENi4060
AWS A5.11 ENiCu-7
Description: Ni207 is a Monel alloy electrode with low hydrogen sodium coating. Use DCEP (direct current electrode positive) and has good welding performance and crack resistance.
Application: For welding Monel or dissimilar steels. It can also be used for overlay welding transition layer.
Chemical composition of weld metal(%):
|
C |
Mn |
Fe |
Si |
Al |
Ti |
Cu |
Nb |
Ni |
S |
P |
|
≤0.15 |
≤4.0 |
≤2.5 |
≤1.5 |
≤1.0 |
≤1.0 |
27.0 ~ 34.0 |
≤2.5 |
≥62.0 |
≤0.015 |
≤0.020 |
Mechanical properties of weld metal:
|
Test item |
Tensile strength Mpa |
Yield strength Mpa |
Elongation % |
|
Guaranteed |
≥480 |
≥200 |
≥27 |
Recommended current:
|
Rod diameter （mm） |
3.2 |
4.0 |
|
Welding current （A） |
90 ~ 110 |
110 ~ 150 |
Notice:
1. The electrode must be baked for 2 hour at around 300℃ before welding operation;
2. It is essential to clean up rusty, oil, water, and impurities on welding parts before welding. Try to use a short arc to weld.
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