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Description and Applications |
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HE307 is a retile
type electrode for all positions, with an excellent
resistance against crack. Slag is easy to remove and the
arc is stable. Welding of 14% Mn steel, hardening steel
and stainless steels to carbon steel. Used in building
of rails and surfacing before hard facing onto 14% Mn
steel. |
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Guideline in Usage
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1. |
Electrodes should be re-dried at
250
∼
300℃ for one hour before use |
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2. |
Excessively wide
waving may cause welding defects. Keep weaving
width to 2.5 times electrode diameter |
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3. |
Remove all dirt
such as oil and dust from the groove. |
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Typical
Chemical Composition of Weld Metal（％） |
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C |
Si |
Mn |
Ni |
Cr |
Mo |
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0.064 |
0.780 |
3.85 |
9.61 |
19.45 |
0.773 |
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Typical Mechanical Properties of Weld Metal |
Yield Strength
N/mm2 |
Elongation
％ |
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631 |
36 |
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Size & Recommended Current Range（AC
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2.6 |
3.2 |
4.0 |
5.0 |
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300 |
350 |
350 |
350 |
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Current (Amp) |
F |
60~85 |
85~120 |
115~120 |
150~190 |
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V |
50~70 |
75~105 |
95~130 |
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