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Product Details:
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| Material: | Ni70Cr30 | Density (g/cm3): | 8.2 |
|---|---|---|---|
| Electrical Resistivity At 20℃(Ωmm2/m): | 1.18 | Elongation: | 30% |
| Surface: | Bright | Working Temperature: | 1250℃ |
| Enamelled: | Available | ||
| Highlight: | nichrome wire,nichrome resistance wire |
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OhmAlloy118
(Common Name: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)
OhmAlloy118 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.05 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 430 | 820 | 30 |
| Density (g/cm3) | 8.2 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.18 |
| Conductivity coefficient at 20℃ (WmK) | 14 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/℃ |
| 20 ℃- 1000℃ | 17 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.46 |
| Melting point (℃) | 1380 |
| Max continuous operating temperature in air (℃) | 1250 |
| Magnetic properties | non-magnetic |
Temperature Factors Of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ |
| 1 | 1.007 | 1.016 | 1.028 | 1.038 | 1.044 | 1.036 |
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
| 1.03 | 1.028 | 1.029 | 1.033 | 1.037 | 1.043 | - |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy118W | Wire | D=0.03mm~8mm | ||
| OhmAlloy118R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| OhmAlloy118S | Strip | W=8~250mm | T=0.1~3.0 | |
| OhmAlloy118F | Foil | W=6~120mm | T=0.003~0.1 | |
| OhmAlloy118B | Bar | Dia=8~100mm | L=50~1000 | |
Contact Person: Mr. Qiu
Tel: +8613795230939
