Fecral resistohm145 A1 D A1 Tk1 Kan A1 Apm Siab kub cua sov hlau
Cov khoom no siv refined master alloy li raw khoom, sivhmoov metallurgytshuab
los tsim cov alloy ingots, thiab yog tsim los ntawm tshwj xeeb txias thiab kub ua thiab cua sov
kev kho mob. Cov khoom muaj qhov zoo ntawm qhov muaj zog oxidation tsis kam, zoo
corrosion kuj ntawm kub kub, me me creep ntawm electrothermal Cheebtsam, ntev kev pab cuam
lub neej ntawm qhov kub thiab txias me me ntawm kev hloov tsis kam. Nws yog tsim rau kub 1420 C,
siab zog ceev, corrosive cua, carbon cua thiab lwm qhov chaw ua hauj lwm.
Nws tuaj yeem siv rau hauv ceramic kilns, kub kub kho cua sov rauv, kuaj qhov cub,
electronic industrial furnaces thiab diffusion furnaces.
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. |
Main 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
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: 1500 ℃ Qhov siab tshaj plaws ua haujlwm kub 1400 ℃
Lub neej ceev ceev
| 1300 ℃ | 1350 ℃ | |
| Nruab Nrab Fast Life (teev) | 110 | 90 |
| Sagging tus nqi tom qab rupture | 8 | 11 |
Cov khoom qeb
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