| Certification: | RoHS, CCC |
|---|---|
| Type: | Electric Coil |
| Material: | Fe-Cr-Al Wire |
| Form: | Heating Wire |
| Shape: | Round |
| Color: | Oxidized/Bright |
| Samples: |
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| Customization: |
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Nickel Chrome Alloy 0Cr30Ni70 Nikrothal 70 Alloy 710 1250ºC Furnace Heating Wire Strip
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.
Typical applications for OhmAlloy118 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.
Chemcial Composition(%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe |
| 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 20ºC(ohmmm2/m) | 1.18 |
| Conductivity coefficient at 20ºC (WmK) | 14 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 17 |
| Specific heat capacity | |
| Temperature | 20ºC |
| J/gK | 0.46 |
| Melting point (ºC) | 1380 |
| Max continuous operating temperature in air (ºC) | 1250 |
| Magnetic properties | non-magnetic |
Temperature Factors Of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.007 | 1.016 | 1.028 | 1.038 | 1.044 | 1.036 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 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 | |
2. Production Progress
3. Application
4. Package Reference
5. Our Service
6.Question and Answer
Q1:How can I contact with your company?
Q2:Do you provide free samples?
A2:Yes,we can provide free samples for your testing,but buyer should bear the shipping costs.
Q3:What is your payment terms?
A3:30% in advance,balance after receiving the copy of B/L. T/T,L/C,Western Union,Paypal is OK.
Q4:What is your lead time?
A4:On normal condition,the lead time is 7 days after the payment. Special order or quantity is subject to the negotiation.
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