Nickel chrome alloy hlau Ni70Cr30
Nickel chrome alloy hlauNi70Cr30
Cr30Ni70 Nichrome Alloy Eletrothermal Chev Sawb, Sable Resistance Rau Cua Sov Element,
NiCr70/30
Nickel chromium alloy nrog hlau tsis kam electrothermal siab resistivity, nto lub cev kev sib deev zoo. Nyob rau hauv high kub thiab siab siv,
thiab kev ua tau zoo thiab kev ua haujlwm tuaj yeem vuam qhov dav dav siv metallurgical, hluav taws xob, khoom siv hluav taws xob thiab hluav taws xob.
manufacturing industries ua cov khoom siv hluav taws xob.
NiCr Hom: Cr20Ni80, Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr25Ni20 thiab lwm yam.Series hluav taws xob ca siv, hluav taws xob hluav taws xob xaim.
3. Khoom loj:
Thickness: 0.02-4.0 hli
Dav: 2.5-250mm
Qauv: GB1234-95
Bright thiab Smooth nto
Ni70Cr30
Cov ntsiab lus tshuaj,%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Lwm yam |
| Max | |||||||||
| 0.08 ib | 0.02 ib | 0.015 ib | 0.60 ib | 0.75-1.60 Nws | 28.0-31.0 Nws | Bal. | Max 0.50 | Max 1.0 | - |
Mechanical Properties
| Max Continuous Service Temperature: Resisivity (20ºC) / Ω·m:: Ceev: Thermal conductivity: Coefficient ntawm Thermal Expansion: Melting Point: Elongation: Micrographic Structure: Magnetic Property: | 1250ºC 1.18 +/- 0.05 hli (Dia: <0.5mm) 1.20+/-0.05 (Dia: ≥0.50mm) 8.1g 3 45.2 KJ/m·h·°C 17 × 10-6 / ºC (20ºC ~ 1000ºC) 1380ºC ua Tsawg tshaj 20% Austenite nonmagnetic |
| Hom | Cr20 Ni80 | Nc15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Main tshuaj muaj pes tsawg leeg | Ni | So | 55.0 ~ 61.0 | So | 34.0-37.0 Nws | 30.0-34.0 Nws |
| Cr | 20.0-23.0 Nws | 15.0-18.0 Nws | 28.0-31.0 Nws | 18.0-21.0 Nws | 18.0-21.0 Nws | |
| Fe | ≤1 | So | ≤1 | So | So | |
| Qhov kub thiab txias (ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Resistance Temperature kho coefficient.(CT) | 1.09 ± 0.05 | 1.11 ± 0.05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
| Melting point (ºC) | 1400 | 1390 ib | 1380 | 1390 ib | 1390 ib | |
| Kev tiv thaiv ρ20ºC (10-6Ωm) | 800ºC | 1.008 Nws | 1.078 ib | 1.028 ib | 1.188 ib | 1.173 ib |
| 1000ºC | 1.014 ib | 1.095 ib | 1.033 ib | 1.219 ib | 1.201 Nws | |
| 1200ºC | 1.025 Nws | 1.043 ib | ||||
| Lub neej ceev ceev | Qhov ntsuas kub (ºC) | 1175 ib | 1100 | 1200 | 1050 | 1050 |
| teev (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Lub ntiajteb txawj nqus (g / cm3) | 8.40 Nws | 8.2 | 8.1 | 7.90 ib | 7.90 ib | |
| Elongation (%) | ≥ 25 | ≥ 25 | ≥ 20 | ≥ 20 | ≥ 20 | |
| Thermal (kj / mhºC) | 60.3 | 45.2 ib | 45.2 ib | 43.8 ib | 43.8 ib | |
| Cov cua kub tshwj xeeb (20ºC)j/g.ºC | 0.440 ib | 0.494 ib | 0.461 ib | 0.500 Nws | 0.500 Nws | |
| Ntxiv zog (20 ~ 1000ºC) α * 10-6ºC | 18.0 Nws | 17.0 Nws | 17.1 | 19.0 Nws | 19.0 Nws | |
| Tensile zog (kg / mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
| Rov qab khoov (F / R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
