Description:
DuraMax E7018 H4R is a moisture resistant, hydrogen controlled, vacuum packed, basic coated electrode which is welder friendly and is recommended for welding of mild and medium carbon steel, high strength steel, cast steel and problematic steels. The electrode is vacuum packed and hence does not require expensive redrying at 250C for 2 hours or a higher temperature. The weld metal is clean and has lowest level of impurities thus having unique properties of resistance to ageing.
| Typical Application & Usage: | |
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| RE-DRY CONDITIONS: No need of drying. The electrodes are vacuum packed hence can be used straight on the job. | |
| Diffusible Hydrogen: < 4ml / 100gm weld metal | |
| Deposited All Weld Metal Properties % (Typical) As Welded | |
| Tensile Strength | 520 600 MPa |
| Yield Strength | 450 520 MPa |
| Elongation in 2 | 24 32% |
| CVN Impacts (J) @ -40C | > 60 |
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