1 (Wt%)akọkọ tiwqn
C | Si | Mn | Cr | Al | Fe | |
Min | - | - | - | 20 | 5.5 | Bal. |
O pọju | 0.04 | 0.5 | 0.4 | 22 | 6.0 | Bal. |
2Main darí-ini
Agbara Fifẹ ni Yara otutu: 650-750MPa
Oṣuwọn gigun: 15-25%
lile: HV220-260
Agbara Fifẹ ni 1000 ℃ Iwọn otutu 22-27MPa
Itọju iwọn otutu giga ni iwọn otutu 1000 ati 6MPa ≥100h
3.Awọn ohun-ini ti ara akọkọ
iwuwo 7,1g / cm3
resistivity 1.45× 10-6 Ω.m
Resistance otutu olùsọdipúpọ(Ct)
800 ℃ | 1000 ℃ | 1400 ℃ |
1.03 | 1.04 | 1.05 |
Imugboroosi laini aropin()
20-800 ℃ | 20-1000 ℃ | 20-1400 ℃ |
14 | 15 | 16 |
yo ojuami:Iwọn otutu Ṣiṣẹ Ilọsiwaju 1400℃
4Igbesi aye iyara
1300 ℃ | 1350℃ | |
Apapọ Igbesi aye Yara (Awọn wakati)
| 110 | 90 |
Oṣuwọn sagging lẹhin rupture
| 8 | 11 |