Priodoledd:
Nodwedd:
Gwrthdystiolaeth corffni a gwrthdystiolaeth o dan oerderau uchel
Cynhwysiad trydanol a thermol da
Hyfforddolrwydd da a phrosesu hawdd
Paramedr:
Tabl Cyfansawdd Cemegol:
| Gradd | Cr | Al | Ni | Fe | Uchafswm tymheredd | Pwynt tân | Resistiaeth μΩ·m | Hyrddiad% |
| ocr21al 4 | 17-21 | 3.0-4.0 | -- | cywair | 1100℃ | 1500℃ | 1.23±0.06 | ≥12 |
| ocr25al 5 | 23-26 | 4.5-6.5 | cywair | 1250℃ | 1500℃ | 1.42±0.07 | ≥12 | |
| ocr21al6nb | 21-23 | 5.0-7.0 | --： | cywair | 1350℃ | 1510℃ | 1.43±0.07 | ≥12 |
| ocr27al7mo 2 | 26.5-27.8 | 6.0-7.0 | -- | cywair | 1400℃ | 1520℃ | 1.53±0.07 | ≥10 |
| cr20ni80 | 20-23 | <0.5 | cywair | ≤1.0 | 1200℃ | 1400℃ | 1.09±0.05 | ≥20 |
| cr30ni70 | 28-31 | <0.5 | cywair | ≤1.0 | 1250℃ | 1380℃ | 1.18±0.05 | ≥20 |
| cr15ni60 | 15-18 | <0.5 | 55-61 | cywair | 1150℃ | 1390℃ | 1.12±0.05 | ≥20 |
| cr20ni35 | 18-21 | -- | 34-37 | cywair | 1100℃ |
Ceisiadau：
Alwriau sylfaen o nikel uchel a churin; cromio electrolytig ac offer bateri; awyrennau, radaroedd a manwfacturiad milwrol a sifil eraill, etc.
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