Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd First Quality, Sincere Service
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Chemical Composition and Main Properties of Nichrome | ||||||
| Properties Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition | Ni | Balance | Balance | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 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 | Balance | Balance | Balance | |
| Max Continuous Service Temperature(oC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resisivity 20oC (Ω mm2/m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Thermal Conductivity(KJ/m@ h@ oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of Thermal Expansion(α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | |
| Melting Point( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic Structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic | |
| emperature Factors Of Electrical Resistivity | |||||
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Style of supply
| Alloys Name | Type | Dimension | ||
| Ni80Cr20W | Wire | D=0.03mm~8mm | ||
| Ni80Cr20R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| Ni80Cr20S | Strip | W=8~250mm | T=0.1~3.0 | |
| Ni80Cr20F | Foil | W=6~120mm | T=0.003~0.1 | |
| Ni80Cr20B | Bar | Dia=8~100mm | L=50~1000 | |
