Eiddo \ gradd | NICR 80/20 | NICR 70/30 | NICR 60/15 | NICR 35/20 | NICR 30/20 | |
Prif Gyfansoddiad Cemegol% | Ni | Mantolwch | Mantolwch | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤1.0 | ≤1.0 | Mantolwch | Mantolwch | Mantolwch | |
Tymheredd Gwasanaeth Parhaus MAX (° C) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Ail -fyw (Uω.M, 20 ° C) | 1.09 | 1.18 | 1.11 | 1.04 | 1.04 | |
Dwysedd (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Dargludedd thermol (kj/m · h · ° C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Cyfernod ehangu thermol (α × 10-6/° C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Pwynt toddi (° C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Micrograffig | austenite | austenite | austenite | austenite | austenite | |
Eiddo Magnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig |