nichrome resistance wire
Negotiable /Kilogram
Min.Order:300 Kilograms
Shenyang Tianzhong Alloy Co., Ltd.
Product info
Product name: nichrome resistance wire
Other names: nichrome wire;nichrome alloy
Application Range
High resistance alloy for electrical heating is main products of our company, suitable for making heating resistance element in metallurgy industry, chemical industry, mechanical industry, Glass and ceramic industry .
It also applies to common resistance elements, such as regulator resistor and braking resistor.
Product features
1) It has higher electrical resistance coefficient than other electrical resistances
2) high temperature oxidation resistance
3) well mechanical properties of the material quality
4) good welding performance
5) At any position of each spindle , uniformity of the resistant can’t be allowed to excess 4%
The description of products
1) The chemical composition:
Brand
| Chemical composition |
Si |
Cr |
Ni |
Al |
Fe | |||
C | P | S | Mn | ||||||
Not more than | |||||||||
Cr20Ni80 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 20.0-23.0 | remain | ≤0.50 | ≤1.0 |
Cr15Ni60 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 15.0-18.0 | 55.0-61.0 | ≤0.50 | remain |
Cr20Ni35 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-3.00 | 18.0-21.0 | 34.0-37.0 | - | remain |
Cr20Ni30 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-2.00 | 18.0-21.0 | 30.0-34.0 | - | remain |
2) Size and Tolerances
Diameter | 0.030-0.50 | >0.050-0.100 | >0.100-0.300 | >0.300-0.500 | >0.50-1.00 | >1.00-3.00 | EXECUTIVE STRANDARD |
Tolerance | ±0.005 | ±0.007 | ±0.010 | ±0.015 | ±0.02 | ±0.03 | GB/T1234-1995 |
Properties of Products
When the product is at “M” status, should be followed the standard GB/T1234-1995
1) Resistivity:
Brand | Cr20Ni80 | Cr20Ni60 | Cr20Ni35 | Cr20Ni30 | ||
Diameter mm | <0.50 | 0.50-3.0 | <0.50 | ≥0.50 | <0.50 | ≥0.50 |
resistivity(20°C)uΩ·m | 1.09±0.05 | 1.13±0.05 | 1.12±0.05 | 1.15±0.05 | 1.04±0.05 | 1.06±0.05 |
2) If the diameter of wire is less than 1.00mm resistance per meter, the products should be followed the standard GB/T1234/1995
3) At any position of each spindle, the resistance uniformity can’t be allowed to excess 4%.
4) Mechanical properties
The wires witch diameter is 0.50-6.00mm, after winding five rings, doesn’t appear stratification and crack