GB/T 4139
GB/T 4139 (Ferro-vanadium)· GB (Chine) · 11 matériaux
| Désignation | Groupe de matériaux | |
|---|---|---|
| FeV40-A | Vanadium | chevron_right |
| FeV40-B | Vanadium | chevron_right |
| FeV50-A | Vanadium | chevron_right |
| FeV50-B | Vanadium | chevron_right |
| FeV50-C | Vanadium | chevron_right |
| FeV60-A | Vanadium | chevron_right |
| FeV60-B | Vanadium | chevron_right |
| FeV60-C | Vanadium | chevron_right |
| FeV80-A | Vanadium | chevron_right |
| FeV80-B | Vanadium | chevron_right |
| FeV80-C | Vanadium | chevron_right |