AWS E8015-G
Description: J557 is a low alloy steel electrode with low hydrogen sodium coating. Use DCEP (direct current electrode positive), and can be welded in all positions. Application: Used for welding medium carbon steel and low alloy steel structures such as Q390. Chemical composition of weld metal(%):| C | Mn | Si | S | P |
| ≤0.12 | ≥1.00 | 0.30 ~ 0.70 | ≤0.035 | ≤0.035 |
| Test item | Tensile strength Mpa | Yield strength Mpa | Elongation % | Impact value (J) | |
| -20℃ | -30℃ | ||||
| Guaranteed | ≥540 | ≥440 | ≥17 | — | ≥27 |
| （mm） Rod diameter | 2.5 | 3.2 | 4.0 | 5.0 |
| （A） Welding Current | 60 ~ 90 | 80 ~ 110 | 130 ~ 170 | 160 ~ 200 |