Grade: Constantan Resistance Alloy (Ohmalloy49)
Chemical Composition: Ni:44% Cu: Rest%
Max. continuous service temp. of element(°C) :400degrees
Resistivity at 20ºC(μΩ·m):0.49 ohm mm2/m
NiCr series: CuNi1;CuNi2;CuNi6;CuNi8;CuNi10;CuNi14;CuNi19;
Typical Mechanical properties(1.0mm)
Typical Physical properties
Electrical resistivity at 20℃ (Ωmm2/m)
Temperature factor of resistivity(20℃~600℃)X10-5/℃
Conductivity coefficient at 20℃ (WmK)
EMF vs Cu(μV/℃ )(0~100℃ )
Corrosion resistance performance
Working In atmosphere at 20℃
Working at max temperature 200℃
Air and oxygen contain
gases with Nitrogen
gases with sulfur
gases with sulfur
Style of supply
1). Coil (plastic spool) + compressed ply-wooden case + pallet
2). Coil (plastic spool) + carton + pallet
Products and services
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
4). Fast delivery;
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.