Nch (R) W1 Stranded Nichrome Resistance Wire for Heating Cable
Description
| Alloy | Standard Strand Construction, mm | Resistance,Ω/m | Strand Diameter Nominal, mm | Meter per Kilo | | NiCr 80/20 | 19×0.544 | 0.233-0.269 | | 26 | | NiCr 80/20 | 19×0.61 | 0.205-0.250 | | | | NiCr 80/20 | 19×0.523 | 0.276-0.306 | 2.67 | 30 | | NiCr 80/20 | 19×0.574 | | 2.87 | 25 | | NiCr 80/20 | 37×0.385 | 0.248-0.302 | 2.76 | 26 | | NiCr 60/15 | 19×0.508 | 0.286-0.318 | | | | NiCr 60/15 | 19×0.523 | 0.276-0.304 | | 30 | | Ni | 19×0.574 | 0.020-0.027 | 2.87 | 21 |
Details | Propertes/Grade | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | | Main Chemical composition | Ni | Rest | Rest | 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 | Rest | Rest | Rest | | Max. continuous service temp. of element | 1200 | 1250 | 1150 | 1100 | 1100 | | Resistivity at 20oC (μ Ω · 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 lines expansion(α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | | Melting point (approx. )( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | | Elongation at rupture (%) | > 20 | > 20 | > 20 | > 20 | > 20 | | Micrographic structure | austenite | austenite | austenite | austenite | austenite | | Magnetic properties | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
| Chemical Composition | Nickel , Chrome | | Condition | Bright/Acid white/Oxidied Color | | Grade | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70,Ni60, Ni40, | | Advantage | Nichrome's metallurgical structure confers them a very good
plasticity when cold. | | Characteristics | Stable performance; Anti-oxidation; Corrosion resistance; High
temperature stability; Excellent coil-forming ability; Uniform and
beautiful surface condition without spots.
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