- Contact Person : Mr. Ji Weiping
- Company Name : Shanghai San Guang Electronical Alloy Co., Ltd.
- Tel : 86-21-56917136
- Fax : 86-21-56917036
- Address : Shanghai,Shanghai,Pingliang Road,Yangpu Region,Shanghai Province
- Country/Region : China
- Zip : 200093
resistance wire
spirl resistance wire
the product meet GB/T1234-95, ISO9001:2008
It can be used in heaters,hobs and high temperature experimental furnace.
It can be also used as resistance wire in various sensor devices.
Spiral belt: a compact structure and reasonable equipment, small footprint, large capacity processing advantages. Is widely used in food freezing, baking and other fields.
Alloy Nomenclayue | Main Chemical Composition | Max continu-ous service temp.of element (°C) | Resistivity at 20°C (μΩm) | Melting point (approx | |||
Cr | Al | Re | Fe | ||||
1Cr13Al4 | 12-15 | 4-6 | opportune | Rest | 950 | 1.25 | 1450 |
0Cr25Al5 | 23-26 | 4.5-6.5 | opportune | Rest | 1250 | 1.42 | 1500 |
0Cr21Al6 | 19-22 | 5-7 | opportune | Rest | 1250 | 1.42 | 1500 |
0Cr 23Al5 | 20.5-23.5 | 4.2-5.3 | opportune | Rest | 1250 | 1.35 | 1500 |
0Cr21Al4 | 18-21 | 3-4.2 | opportune | Rest | 1100 | 1.23 | 1500 |
Nickel chromium wires major technical performance |
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| Just | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
performance |
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| Ni | Cushion | Cushion | 55.061.0 | 34.037.0 | 30.034.0 |
major chemical components% | Cr | 20.023.0 | 28.031.0 | 15.018.0 | 18.021.0 | 18.021.0 |
| Fe | ≤1.0 | ≤1.0 | Cushion | Cushion | Cushion |
melting p[oint |
| 1200 | 1250 | 1150 | 1100 | 1100 |
densityg/cm3 |
| 1400 | 1380 | 1390 | 1390 | 1390 |
resistivityμΩm.20 |
| 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
extension rate% |
| 1.09±0.05 | 1.18±0.05 | 1.11±0.05 | 1.04±0.05 | 1.04±0.05 |
than hotj/g |
| ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
heat conductiong coefficientKJ/m.h |
| 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
linear expansion coefficient a×10-6/201000 |
| 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
relying organizations |
| 18 | 17 | 17 | 19 | 19 |
magnetic |
| when | when | when | when | when |
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| Non-magnetic | Non-magnetic | Non-magnetic | Non-magnetic | Non-magnetic |
resistance wire
