| Model | Welding wire chemical composition（Wt%） |
| ||||||||
|
| C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Other |
| ERNiCrFe-7A | 0.028 | 0.15 | 0.11 | 29.85 | 59.03 | 0.06 | - | - | - | Fe:0.86 Nb:9.8 |
| Compliant (equivalent) standard model | An example of physical properties of deposited metal (with SJ601) | ||
| GB/T15620 | AWS A5.14/A5.14M | Tensile StrengthMPa | Elongation% |
| - | ERNiCrFe-7A | 760 | 37 |
| Wire diameter | ￠0.8 | ￠1.0 | ￠1.2 |
| Package weight | 12.5Kg/piece | 15Kg/piece | 15Kg/piece |
| Wire diameter | ￠2.5 | ￠3.2 | ￠4.0 | ￠5.0 |
| Package weight | 5Kg/plastic box，20Kg/carton（Contains 4 small plastic boxes） | |||