Nickel chrome alloy wire Ni70Cr30
Nikel chrome haluang metal wireNi70Cr30
Cr30Ni70 Nichrome Alloy Eletrothermal Coil Strip, Sable Resistance Para sa Heating Element,
NiCr70/30
Nikel chromium haluang metal na may iron resistance electrothermal mataas na resistivity, pang-ibabaw na katawan sekswal na rin. Sa mataas na temperatura at mataas na intensity,
at isang mahusay na pagganap at pagproseso ay maaaring hinang kalikasan malawakang ginagamit metalurhiko, elektrikal, mekanikal na mga bahagi at electrical
mga industriya ng pagmamanupaktura para sa paggawa ng materyal na lumalaban sa init.
Uri ng NiCr:Cr20Ni80,Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr25Ni20 atbp.Series electric flat belt, electric fire wire.
3. Laki ng produkto:
Kapal : 0.02—-4.0mm
Lapad: 2.5—-250mm
Pamantayan:GB1234-95
Maliwanag at Makinis na ibabaw
Ni70Cr30
Chemical Content, %
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Iba pa |
| Max | |||||||||
| 0.08 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Mga Katangiang Mekanikal
| Max Patuloy na Temperatura ng Serbisyo: Resisivity ( 20ºC)/Ω·m::Density: Thermal Conductivity: Coefficient ng Thermal Expansion: Punto ng Pagkatunaw: Pagpahaba: Micrographic na Istraktura: Magnetic Property: | 1250ºC 1.18 +/-0.05 (Dia: <0.5mm) 1.20+/-0.05 (Dia: ≥0.50 mm) 8.1 g/cm3 45.2 KJ/m·h·ºC 17×10-6/ºC (20ºC~1000ºC) 1380ºC Min 20% Austenite nonmagnetic |
| Uri | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Pangunahing kemikal na komposisyon | Ni | Pahinga | 55.0~61.0 | Pahinga | 34.0~37.0 | 30.0~34.0 |
| Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1 | Pahinga | ≤1 | Pahinga | Pahinga | |
| Pinakamataas na Temperatura(ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Resistance Temperature correction coefficient.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Natutunaw na punto (ºC) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Resistivityρ20ºC(10-6Ω.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
| 1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
| 1200ºC | 1.025 | 1.043 | ||||
| Mabilis na halaga ng buhay | Tem.(ºC) | 1175 | 1100 | 1200 | 1050 | 1050 |
| oras(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Specific gravity(g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
| Pagpahaba(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
| Thermal(kj/mhºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Tukoy na init(20ºC)j/g.ºC | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 | |
| Extend strength(20~1000ºC)α*10-6ºC | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 | |
| Lakas ng makunat(kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
| Paulit-ulit na baluktot(F/R) | >12 | >12 | >12 | >12 | >12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
