GB/T 4009
GB/T 4009 (Krom silikon)· GB (Çin) · 10 malzeme
| Tanım | Malzeme grubu | |
|---|---|---|
| FeCr30Si40-A Class I | Silikon | chevron_right |
| FeCr30Si40-A Class II | Silikon | chevron_right |
| FeCr30Si40-B Class I | Silikon | chevron_right |
| FeCr30Si40-B Class II | Silikon | chevron_right |
| FeCr30Si40-C Class I | Silikon | chevron_right |
| FeCr30Si40-C Class II | Silikon | chevron_right |
| FeCr30Si40-D Class I | Silikon | chevron_right |
| FeCr30Si40-D Class II | Silikon | chevron_right |
| FeCr32Si35 Class I | Silikon | chevron_right |
| FeCr32Si35 Class II | Silikon | chevron_right |