Ni30Cr20 Low Magnetic Austenite Nickel Chrome Alloy Wire 30 / 20 For Electric Oven
OhmAlloy104B
Common Name: Ni30Cr20, Nikrothal30, N3, HAI-NiCr30, Resistohm30, 30-20Ni-Cr, Nikrothal .
OhmAlloy104B is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance, very good form stability, good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
Typical applications for OhmAlloy104B are used in olid hot plates,open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. And also used for heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.
Normal composition%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.08 | 0.02 | 0.015 | 1.00 | 1.0~2.0 | 18.0~21.0 | 30.0~34.0 | - | Bal. | - |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 340 | 675 | 35 |
Typical Physical properties
| Density (g/cm3) | 7.9 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.04 |
| Conductivity coefficient at 20℃ (WmK) | 13 |
Typical Physical properties
| Density (g/cm3) | 7.9 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.04 |
| Conductivity coefficient at 20℃ (WmK) | 13 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.50 |
| Melting point (℃) | 1390 |
| Max continuous operating temperature in air (℃) | 1100 |
| Magnetic properties | non-magnetic |
Temperature Factors Of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ |
| 1 | 1.023 | 1.052 | 1.079 | 1.103 | 1.125 | 1.141 |
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
| 1.158 | 1.173 | 1.187 | 1.201 | 1.214 | 1.226 | - |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy104BW | Wire | D=0.03mm~8mm | ||
| OhmAlloy104BR | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| OhmAlloy104BS | Strip | W=8~250mm | T=0.1~3.0 | |
| OhmAlloy104BF | Foil | W=6~120mm | T=0.003~0.1 | |
| OhmAlloy104BB | Bar | Dia=8~100mm | L=50~1000 | |
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