NP EN 1668
NP EN 1668 (焊材 - 钨极惰性气体保护焊非合金钢和细晶粒钢的棒材，线材及沉淀金属)· NP (葡萄牙) · 8 种材料
| 名称 | 材料组别 | |
|---|---|---|
| W 2 Mo | Filler Metals | chevron_right |
| W 2 Ni 2 | Filler Metals | chevron_right |
| W 2 Si | Filler Metals | chevron_right |
| W 2 Ti | Filler Metals | chevron_right |
| W 3 Ni 1 | Filler Metals | chevron_right |
| W 3 Si 1 | Filler Metals | chevron_right |
| W 4 Si 1 | Filler Metals | chevron_right |
| WSG2 | Filler Metals | chevron_right |