Shanghai Tankii Alloy Material Co.,Ltd
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- CuNi44 Constantan Strip / Wire / Sheet / Flat Wire for Industrial
- Product Details
- Company Details
Product Specification
Basic Info.
Serves
Small Oreder Accepted
standard
GB/ASTM/JIS/BIS/DIN
State
Soft 1/4hard 1/2hard hard T-hard
Transport Package
Coil Cartons, Pallet, Spools, Coils
Specification
0.01-3mm*0.3-600mm
Production Capacity
3000 Tons/Year
Product Description
Constantan Strip/Wire/Sheet Cupro-Nickel/Cuni44
Constantan As a big manufacturer and exporter in China on the line of electric resistance alloy, we can supply all kinds of electric resistance alloy wire and strips (resistance steel wire and strips),
Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44.
1. CuNi44, also called Constantan, has a very low temperature coefficient, high electrical resistance, high ductility and non-corroding properties. It is suitable for use at temperatures up to 600° C (1110° F). As a very malleable, very ductile alloy, it has a very good resistance to oxidation.
The alloy is non-magnetic. It is suitable for electrical resistors, potentiometers, heating wires, heating cables and mats. Ribbons are used for heating of bimetals. Another field of application is manufacturing of thermocouples because it develops a high electromotive force (EMF) in association with others metals.
2. Chemical Composition
Alloy Ni% Mn% Fe% Cu%
CuNi44 43 Max 0.5 - Bal.
3. Products and services
1. Pass: ISO9001 certification;
2. Fine after-sale services;
3. Small order accepted;
4. Samples available;
4. Size
Wires: 0.018-10mm Ribbons: 0.05*0.2-2.0*6.0mm
Strips: 0.08*5.0-5.0*250mm Bars: D10-100mm
Chemical Content, %
| Ni |
Mn |
Fe |
Si |
Cu |
Other |
ROHS Directive |
| Cd |
Pb |
Hg |
Cr |
| 44 |
1% |
0.5 |
- |
Bal |
- |
ND |
ND |
ND |
ND |
Mechanical Properties
| Max Continuous Service Temp |
400ºC |
| Resisivity at 20ºC |
0.49±5%ohm mm2/m |
| Density |
8.9 g/cm3 |
| Thermal Conductivity |
-6(Max) |
| Melting Point |
1280ºC |
| Tensile Strength,N/mm2 Annealed,Soft |
340~535 Mpa |
| Tensile Strength,N/mm3 Cold Rolled |
680~1070 Mpa |
| Elongation(anneal) |
25%(Min) |
| Elongation(cold rolled) |
≥Min)2%(Min) |
| EMF vs Cu, μV/ºC (0~100ºC) |
-43 |
| Micrographic Structure |
austenite |
| Magnetic Property |
Non |
Application of Constantan
Constantan is a copper-nickel alloy that contains specific minor amounts of additional
elements to achieve precise values for the temperature coefficient of resistivity. Careful
control of melting and conversion practices results in a very low level of pinholes at
ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges.
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.
Any questions pls kindly send email to us,thank you.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Manufacturer,Exporter
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Total Annual:
8000000-100000000
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Employee Number:
90~100
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Ecer Certification：
Verified Supplier
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