E9018 G is a low-alloy high-strength steel welding electrode with low-hydrogen sodium coating.
The E9018 G low temperature welding rod is applicable for welding WB36 and WB36CN1 steel for nuclear power and thermal power industries.
The E9018 G can be welded in all positions and has good welding performance.
The deposited metal has been well purified and refined, which has good FAC resistance and high impact toughness.
| Chemical components of deposited metal (%) | ||||||||
| Test item | C | Mn | Si | S | P | Cr | Ni | Mo |
| Example value | 0.058 | 1.36 | 0.22 | 0.005 | 0.01 | 0.24 | 0.94 | 0.4 |
| Mechanical properties of deposited metal (570℃×2h heat treatment) | ||||
| Test item | Rm(MPa) | ReL/Rp0.2(MPa) | A(%) | KV2(J)-20℃ |
| Example value | 690 | 610 | 24 | 95 |
| Reference current (DC+) | |||
| Welding electrode diameter (mm) | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding current (A) | 90-120 | 140-180 | 170-210 |
