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Resistance Flat Wire Ni70Cr30 NIKROTHAL 70 Factory

Categories NiCr Alloy
Brand Name: DLX
Model Number: Ni70Cr30
Place of Origin: China Jiangsu
MOQ: 5
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 500 tons per month
Delivery Time: 7-20 days
Packaging Details: Spool package with Carton box, Coil package with polybag
Material: Nickel, Chromium
Nickel(Min): 66%
Resistivity: 1.18+/-0.05
Tensile Strength: 637MPA
Elongtation: ≥20%
Application: Heating, Resistivity
Condition: Hard / Soft
Sureface: Bright, Oxided, Acide
Name: Resistance heating wire
Certification: CE,ROHS
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Resistance Flat Wire Ni70Cr30 NIKROTHAL 70 Factory


Resistance Flat Wire Ni70Cr30 NIKROTHAL 70 Factory


  • NiCr Series

Ni70Cr30 is Electric heating resistance alloy wire

Ni70 Common name is Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)

Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized by high resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. Ni70Cr30 is suitable for use at temperatures up to 1250°C.
Typical applications for Ni70Cr30 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.


Ni70Cr30 is used for electric heating elements in industrial furnaces. Typical applications are: electric and enamelling furnaces, storage heaters, furnaces and kilns with a changing atmospheres.



  • Nickel-chromium alloy performance tables
Performance materialCr10Ni90Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
CompositionNi90RestRest55.061.034.037.030.034.0
Cr1020.023.028.031.015.018.018.021.018.021.0
Fe≤1.0≤1.0RestRestRest
Maximum temperature130012001250115011001100
Meltiing point 140014001380139013901390
Density g/cm38.78.48.18.27.97.9
Resistivity1.09±0.051.18±0.051.12±0.051.00±0.051.04±0.05
μΩ·m,20
Elongation at rupture≥20≥20≥20≥20≥20≥20
Specific heat0.440.4610.4940.50.5
J/g.
Thermal conductivity60.345.245.243.843.8
KJ/m.h
Coefficient of lines expansion1817171919
a×10-6/
(201000℃)
Micrographic structureAusteniteAusteniteAusteniteAusteniteAustenite
Magnetic propertiesNonmagneticNonmagneticNonmagneticWeak magneticWeak magnetic


  • The Form we could offer
Size RangeWireRibbonStripRod
dia 0.03-7.5mmdia 8.0-12.0mm(0.05-0.35)*(0.5-6.0)mm(0.50-2.5)*(5-180)mm8-50mm



Do you provide free samples?
Yes, we can provide a free sample for testing,buyer should bear all the shipping costs.
What is your payment terms?
T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal
We are doing the best to match your demand.
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers' quantity.
Anyway,we try to offer good-quality products as soon as possible.

CHANGZHOU DLX ALLOY COMPANY was establish in 2016,our factory established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate.Our factory is becoming a high-tech company,We are professional in researching and producing special alloy material.The production process include melting,drawing,heat treatment,finishing and testing.We offer super alloy,welding wire,corrosion resistance alloy,precision alloy,FeCrAl alloy,NiCr alloy,CuNi alloy,in the form of wire,strip,ribbon,bar,tube,plate and etc.The administrative principle of our company is "intensifying inner supervision, complying with technical process and quality control, continuously adopting new technology to ensure the product quality". We employ some senior engineers to instruct technology, apply new technology and research new products. Our operation principle is "Quality first, Customer first". All the staff of our company would like to provide high quality and reasonably priced products for clients at home and abroad, and to make your products more competitive.


Quality Resistance Flat Wire Ni70Cr30 NIKROTHAL 70 Factory for sale
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