Basic Info.
Model NO.
Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni35, Cr25Ni20
Conductor Material
Nickel Chrome
Material Shape
Round Wire
Range of Application
Heating Resistance
Shape
Wire, Flat Wire, Strip,Foil
Color
Natural Color, Acid White, Bright
Specification
SGS, ROHS, GOST
Product Description
cr25ni20 resistance alloy material nichrome electric heating wire
Products & Workshop & Warehouse
I We are manufacture of Alloy wire includes FeCrAL wire, NiCr wire, CuNi wire:
1. FeCrAl heating wire:OCr27AL7Mo2, OCr21AL6Nb, OCr21AL6, OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4.
2.Nichrome heating wire:Cr20Ni80,Cr15Ni60,Cr30Ni70,Cr20Ni35,Cr25Ni20
3.Constantan heating wire:Cuni40,Cuni44
4.Cu-Ni wire:NC003, NC005, NC010, NC012, NC015, NC020, NC025, NC030, NC035, NC040, NC050
II Main Property of electric heating wire
Type | | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
Main Chemical composition | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
Maximal Temperature | 650 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
Resistivity 20c (10-6ohm*m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
Density(g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 |
Thermal conductivity (KJ/m*h*c) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 |
Extend strength | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
Melting point (deg.c | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
Tensile strength(N/mm2) | 588-735 | 630-780 | 637-780 | 630-780 | 637-784 | 650-800 | 680-830 |
Extension rate% | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
Section shrink rate (%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
Repeatedly bending frequency (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
Specific heat J/g. | 0.49 | 0.494 | 0.52 | 0.46 | 0.49 | 0.494 | 0.494 |
Linear expansion coefficient | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
hardness (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
Rapid life h/ | | 0.064 | 0.061538462 | 0.061538462 | 0.061538462 | 0.059259259 | 0.059259259 |
Microstructure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
Magnetism | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
Type | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 |
|
Main chemical composition | Ni | Rest | 55.0~61.0 | Rest | 34.0~37.0 | 30.0~34.0 |
Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 |
Fe | ≤1 | Rest | ≤1 | Rest | Rest |
Maximal Temperature(ºC) | 1200 | 1150 | 1250 | 1100 | 1100 |
Resistance Temperature correction coefficient.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 |
Melting point (ºC) | 1400 | 1390 | 1380 | 1390 | 1390 |
Resistivityρ20ºC(10-6Ω.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 |
1200ºC | 1.025 | | 1.043 | | |
Fast life value | Tem.(ºC) | 1175 | 1100 | 1200 | 1050 | 1050 |
hour(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 |
Specific gravity(g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 |
Elongation(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 |
Thermal(kj/m.h.ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Specific heat(20ºC)j/g.ºC | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 |
Extend strength(20~1000ºC)α*10-6ºC | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 |
Tensile strength(kg/mm2) | >85 | >85 | >85 | >85 | >85 |
Repeatedly bending(F/R) | >12 | >12 | >12 | >12 | >12 |
Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic |
III Main Advantage and Application
A. Physical parameter:
1) Wire diameter: 0.025 ~ 15mm
2) Pure nickel has the ability to withstand relatively high temperatures without deterioration. Maximum operating temperature is approximate 600°C
3) Nickel wire is available in single strand or multi-strand construction. It is supplied from stock either bare, or insulated
B. Characteristics:
1) Excellent straightness
2) Uniform and beautiful surface condition without spots
3) Excellent coil-forming ability
C. Main applications and general purpose:
1) This wire can also be widely used in generally specified for transistor caps, anodes for electronic tubes, leads of electronic components / lead-in-wires for lamps and for wire-mesh. Also used in strip form for various applications including Ni-Cd batteries
2) Also used for cables, Lead-in-Wire for lamps, electronic tube supports, wire cloth electrical connecting leads where temperatures are in excess of those for which copper is suitable, wire weaving
3) Typical applications include: terminations for heating elements as in ovens, plastics extruders, furnaces. Filament supports and lead wires in the lighting industry
cr25ni20 resistance alloy material nichrome electric heating wire
Please contact us freely, if you want to know more.
Address:
Room 423, Hong Kong Road 111, Huangpu District, Shanghai
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics
Company Introduction:
Shanghai Feng Shan Alloy Material Co., Ltd. is specialized in producing high resistance electric heating alloy wire, nickel-chromium, iron chromium aluminum round wire, flat, flat belt, electric strip and resistance strip. Our products are widely used in industrial electric heating equipment and commercial heating appliance, automotive exhaust metal honeycomb carrier, high-speed locomotive brake, crane brake motor regulator appliances, heating elements and other aspects of diamond manufacturing. The company is equipped with steel, forging, rolling, drawing, heat treatment and other production equipment, strict implementation of national standards. We are constantly adopting new technologies, new processes and new materials to make our products better. Industrial discipline and strict quality management system ensure product quality and low price. Our company produces heating elements for the majority of users. "Quality-oriented, win-win cooperation, innovative spirit, scientific development" is our purpose. We are willing to provide ideal products for you to ensure the market competitiveness. Warmly welcome customers to visit.