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Description and Applications |
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HE7018 is an iron powder low hydrogen type electrode
with high efficiency welding. Re-striking and slag
detachability are excellent. Reparative welding of cast
iron and 500N/mm2 high tensile strength
steels for ships and building. |
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Guideline in Usage |
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1. |
Electrodes should be re-dried at 160
～
200℃ for one hour before use |
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2. |
Keep the arc as short as possible |
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Typical
Chemical Composition of Weld Metal（％） |
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C |
Si |
Mn |
P |
S |
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0.07 |
0.27 |
1.30 |
0.015 |
0.013 |
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Typical Mechanical Properties of Weld Metal |
Yield Strength
N/mm2 |
Tensile Strength
N/mm2 |
Elongation
％ |
Impact Value
J(-29℃) |
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510 |
600 |
25 |
43 |
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Size & Recommended Current Range（AC
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2.6 |
3.2 |
4.0 |
5.0 |
6.0 |
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300 |
350 |
400
450 |
450 |
450 |
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Current (Amp) |
F |
60~90 |
90~140 |
150~200 |
190~240 |
260~310 |
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V,OH |
50~80 |
80~110 |
120~150 |
140~190 |
－ |
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