1 (Wt%)lub ntsiab muaj pes tsawg leeg
C | Si | Mn | Cr | Al | Fe | |
Min | - | - | - | 20 | 5.5 | Bal. |
Max | 0.04 ib | 0.5 | 0.4 | 22 | 6.0 | Bal. |
2Main mechanical zog
Tensile zog ntawm chav kub: 650-750MPa
Elongation tus nqi: 15-25%
Hardness: HV220-260
Tensile Strength ntawm 1000 ℃ Kub 22-27MPa
Kev kub siab Durability ntawm 1000 Kub thiab 6MPa ≥100h
3.Cov khoom tseem ceeb ntawm lub cev
Qhov ceev 7.1g / cm3
resistivity 1.45 × 10-6 Ω
Resistance Temperature Coefficient(Ct)
800 ℃ | 1000 ℃ | 1400 ℃ |
1.03 ib | 1.04 ib | 1.05 Nws |
Nruab nrab linear expansion coefficient()
20-800 ℃ | 20-1000 ℃ | 20-1400 ℃ |
14 | 15 | 16 |
melting point:Qhov siab tshaj plaws ua haujlwm tsis tu ncua 1400 ℃
4Lub neej ceev ceev
1300 ℃ | 1350 ℃ | |
Nruab Nrab Fast Life (teev)
| 110 | 90 |
Sagging tus nqi tom qab rupture
| 8 | 11 |