Wisdom Ni70cr30

Model NO.: Ni70Cr30 Powder: Not Powder Condition: Soft Nikrothal 80 Wire Treatment: Hydrogen Annealing Certificate: ISO9001 Trademark: WISDOM Origin: China, Shanghai Type: Nickel Wire Product: Ni70cr30 Resistance Tolerance: Standard Surface: Bright Nikrothal 80 Wire Quality Test: Mill Test Report Specification: customized HS Code: 750522 Introduction
WISDOM Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1250°C (2280°F). The alloy is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.
 
Common Names: Cr30Ni70, Nikrothal 70, Chromel 70/30, N7, Hytemco, HAI-NiCr 70, Balco, Tophet 30, Resistohm 70, Cronix 70, Stablohm 710

Chemical Composition

C	P	S	Mn	Si	Cr	Ni	Al	Fe
≤0.08	≤0.02	≤0.015	≤0.6	0.75~1.6	28~31	Bal.	≤0.5	≤1.0

 
Characterisitic

Max. continuous service Temp.	1100ºC	Approx. melting point	1390ºC
Resistivity at 20ºC	1.04±0.05 μΩ·m	Elongation	≥20%
Density	7.90 g/cm3	Accelerated life	≥80h/1100ºC
Thermal conductivity	45.2 KJ/m·h·ºC	Micrographic structure	austenite
Coefficient of lines expansion	19.0 α×10-6/ºC	Magnetic properties	Weak magnetic
Specific heat	0.500 J/g·ºC	Forms Available	Wire,ribbon,strip, bar,sheet,pipe

 
Application
· Widely used for industrial furnaces (upto 1230°C) with alternating oxidizing/reducing atmosphere, precision resistors.
· Electrical appliance industry


FAQ
  
1. What's the minimum quantity customer can order?
              
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
 
2. How can you pay for small sample amount?
                
We have Western union account, wire transfer for sample amount also ok.
 
3. Customer do not have express account. How will us arrange the delivery for sample order?
                 
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.
 
4. What's our payment terms?
                 
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.
 
5. Do you provide free samples?
                  
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.
 
6. What's our working time?
             
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

Contact us if you need more details on Nikrothal 70. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Ni70cr30、Cr30ni70. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Nichrome Alloy