焊接材料 | C | Mn | S | P | Si | Ni | Cu | Ti | Nb | Fe |
ERNiCu-7 | 0.01 | 3.5 | 0.001 | 0.003 | 0.1 | 64.4 | 29.1 | 2.3 | 0.09 | 0.7 |