DIN 8554-1
DIN 8554-1 (气焊用非合金和低合金焊条；命名，交货技术条件)· DIN (德国) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| GI | Filler Metals | chevron_right |
| GII | Filler Metals | chevron_right |
| GIII | Filler Metals | chevron_right |
| GIV | Filler Metals | chevron_right |
| GV | Filler Metals | chevron_right |
| GVI | Filler Metals | chevron_right |
| GVII | Filler Metals | chevron_right |