GOST 7293
GOST 7293 (Spheroidal graphite iron for castings. Grades)· GOST (Russia) · 8 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| VCh 100 | ВЧ 100 | Cast irons | chevron_right |
| VCh 35 | ВЧ 35 | Cast irons | chevron_right |
| VCh 40 | ВЧ 40 | Cast irons | chevron_right |
| VCh 45 | ВЧ 45 | Cast irons | chevron_right |
| VCh 50 | ВЧ 50 | Cast irons | chevron_right |
| VCh 60 | ВЧ 60 | Cast irons | chevron_right |
| VCh 70 | ВЧ 70 | Cast irons | chevron_right |
| VCh 80 | ВЧ 80 | Cast irons | chevron_right |