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Welding electrodes Surfacing welding electrodes EDCr-A2-15 HRC≥37
2. Abstract: It is a kind of ordinary manganese surfacing electrode with low-hydrogen potassium type coating. AC/DC. The open circuit voltage should be higher than 70V when using AC.
3. Feature: 1).The electrodes must be baked under 300-350°C for an hour before welding. 2).Large work pieces should be preheated to about 200°C before surfacing welding, and the rust and the oil stains on the surfaces of the welded parts should be cleared away.
4. Application: It is mainly used for surfacing welding the seal side of elope valve with middle temperature and hinge pressure which working temperature is below 510℃. |
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