Nickel Chrome Alloy Electric Heating Wire
General Details
Material composition: Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni35, Cr20Ni30
Size: 10mm-0.03mm
Certificate: ROHS, REACH, ISO9001:2000
Diameter: 0.03mm-10mm
Packing: on Spool and Carton
FEATURES
nickel chrome alloy wire posses high resistance, antioxidant, high tensile strength under high temperature, good formability and weldability, this material can be used for making heating element and resistor in metallurgy, household electrical appliance and machinery.Main physical property and chemical composition.
| Property | Type | Cr20NI80 | CR30NI70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
| main chemical composition | Ni | rest | rest | 55-61 | 34-37 | 30-34 |
| Cr | 20-23 | 28-31 | 15-18 | 18-21 | 18-21 | |
| Fe | <1 | <1 | rest | rest | rest | |
| max working temperature °c | 1200 | 1250 | 1150 | 1100 | 1100 | |
| melting temperature °c | 1400 | 1380 | 1390 | 1390 | 1390 | |
| density g/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
| resistivity | 1.09±0.05 | 1.18 ±0.05 | 1.11 ±0.05 | 1.04 ±0.05 | 1.04 ±0.05 | |
| elongation% | >20 | >20 | >20 | >20 | >20 | |
| thermal conductivity | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
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