0.35*20mm Resistance Heating Alloy Nickel-Chrome Resistohm 70
Ni70Cr30 Strip For Sale
Changzhou DLX alloy is one of the best nichrome alloy ni70cr30
factories in China, We offer low price cr30ni70(n70, nikrothal 70,
resistohm 70, alloy 710), and DLX alloy are welcome to check the
price and quotation.
Ni70Cr30 is Electric heating resistance alloy strip.
Ni70 Common name is Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30,
Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710.
Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized by
high resistivity, good oxidation resistance,very good form
stability,good ductility and excellent weldability. Ni70Cr30 is
suitable for use at temperatures up to 1250°C.
Typical applications for Ni70Cr30 are used in electrical heating
elements in industrial furnace,and well suited for reducing
atmospheres.
Ni70Cr30 is used for electric heating elements in industrial
furnaces. Typical applications are: electric and enamelling
furnaces, storage heaters, furnaces and kilns with a changing
atmospheres.
- Nickel-chromium alloy performance tables
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
| Composition | Ni | 90 | Rest | Rest | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
| Cr | 10 | 20.0～23.0 | 28.0～31.0 | 15.0～18.0 | 18.0～21.0 | 18.0～21.0 |
| Fe | | ≤1.0 | ≤1.0 | Rest | Rest | Rest |
| Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
| Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
| Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
| Resistivity | | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
| μΩ·m,20℃ |
| Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
| Specific heat | | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
| J/g.℃ |
| Thermal conductivity | | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
| KJ/m.h℃ |
| Coefficient of lines expansion | | 18 | 17 | 17 | 19 | 19 |
| a×10-6/ |
| (20～1000℃) |
| Micrographic structure | | Austenite | Austenite | Austenite | Austenite | Austenite |
| Magnetic properties | | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |
| Size Range | Wire | Ribbon | Strip | Rod |
| dia 0.03-7.5mm | dia 8.0-12.0mm | (0.05-0.35)*(0.5-6.0)mm | (0.50-2.5)*(5-180)mm | 8-50mm
|
| Do you provide free samples? |
| Yes, we can provide a free sample for testing,buyer should bear all
the shipping costs. |
|
| What is your payment terms? |
| T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal |
| We are doing the best to match your demand. |
|
| What is the lead time? |
| Usually sample lead time is 7 days after payment has been
confirmed. |
| Normal order is 10-30days,it depends on customers' quantity. |
| Anyway,we try to offer good-quality products as soon as possible. |
