Main Products: Pure Nickel Wire & Nickel Alloy ,Special Silicon Bronze Alloy Wire ,Copper & Copper Alloy ,Enameled Copper Wire
Nichrome Resistance Wires
Negotiable /Kilogram
Min.Order:50 Kilograms
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Shenyang Tianzhong Alloy Co., Ltd.
Business Type: Manufacturer,Trading Company
Shenyang Liaoning ChinaMain Products: Pure Nickel Wire & Nickel Alloy ,Special Silicon Bronze Alloy Wire ,Copper & Copper Alloy ,Enameled Copper WireProduct Details
Product info
Product name: Nichrome Resistance Wires
Other names: Nichrome Electric Resistance Wire
TYPE Property | Cr15Ni60 | Cr20Ni80 | Cr20Ni30 |
Main Chemical Composition(%) | 15-18 | 20-23 | 18-21 |
55-61 | Rest | 30-34 | |
Rest | -- | Rest | |
Max continuous service Temp.of elements | 1100 | 1150 | 1100 |
Density(g/cm3) | 8.2 | 8.4 | 7.9 |
Melting point(approx ) | 1390 | 1400 | 1390 |
Elongating(%) | 20 | 20 | 30 |
Resistivity at 20 | 1.12-1.15±0.05 | 1.09-1.14±0.05 | 1.04-1.06±0.05 |
Micrographic structure | Austenite A | Austenite A | Austenite A |
Nominal Composition
Alloy | Ni% | Mn% | Fe% | Si% | Cr% | C% |
NiCr 80:20 | Bal. | Max 1.0 | Max 1.0 | 1.00 - 1.50 | 19 - 21 | Max 0.10 |
NiCr 70:30 | Bal. | Max 1.0 | Max 1.0 | 1.00 - 1.50 | 28 - 32 | Max 0.10 |
NiCr 60:15 | Min 57.0 | Max 1.0 | Bal. | 1.00 - 1.50 | 14 - 17 | Max 0.10 |
NiCr 40:20 | Min 37.0 | Max 1.0 | Bal. | 1.80 - 3.00 | 18 - 22 | Max 0.10 |
NiCr 30:20 | Min 28.0 | Max 1.0 | Bal. | 1.80 - 3.00 | 18 - 22 | Max 0.10 |
NiCr 20:25 | Min 18.0 | Max 1.0 | Bal. | 1.00 - 1.50 | 23 - 27 | Max 0.10 |
Properties
Alloy | Specific Resistance | Density | Linear Expansion Coeff. | Maximum Operating |
NiCr 80:20 | 108 | 8.4 | 17.0 | 1200 |
NiCr 70:30 | 118 | 8.2 | 17.0 | 1250 |
NiCr 60:15 | 112 | 8.2 | 17.0 | 1100 |
NiCr 40:20 | 105 | 7.9 | 19. | 1050 |
NiCr 30:20 | 104 | 7.9 | 19.0 | 1000 |
NiCr 20 :25 | 95 | 7.8 | 17.0 | 1000 |
For Resistance (in Ω/m) of any size, divide the above resistivity with
(cross-sectional area in mm² of that size x 100).
R (Ω/m) = Resistivity (µΩ-cm) / A (in mm²) x 100
Size Range
| Wire | Strip | Ribbon |
Dia (mm) | 12 – 0.05 | - | - |
Width (mm) | - | 5 - 100 | 0.5 – 5 |
Thickness (mm) | - | 0.5 – 3.5 | 0.15 & Above |
Product productioin process
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