Tankii Constantan Resistance Alloy Wire / CuNi40 / 6J40 Electric Heating Wire
Product Description
Constantan wire is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.
Chemical Content, %
| Ni | Mn | Fe | Si | Cu | Other | ROHS Directive | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 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 |
Type of insulation
| Insulation-enamelled Name | Thermal LevelºC (working time 2000h) |
Code Name | ANSI. TYPE | |
| Polyurethane enamelled wire | 130 | UEW | MW75C | |
| Polyester enamelled wire | 155 | PEW | MW5C | |
| Polyester-imide enamelled wire | 180 | EIW | MW30C | |
| Polyester-imide and polyamide-imide double coated enameled wire | 200 | EIWH (DFWF) |
MW35C | |
| Polyamide-imide enamelled wire | 220 | AIW | MW81C |
Type of bare alloy wire
| Copper-nickel alloy wire, | Constantan Wire,CuNi1~CuNi44 etc. | |
| Ni-Cr Alloy wire | NiCr35/20,NiCr70/30,NiCr60/15,NiCr80/20,NiCr90/10,NiCr AA,Karma. etc. | |
| Fe-Cr-Al Alloy wire | Cr13Al4,Cr21Al4,Cr21Al6,Cr23Al5,Cr25Al5, Cr21Al6Nb,Cr27Al7Mo2, etc. |
|
| Cu-Ni-Mn Alloy wire | CuMn12Ni2,CuMn12Ni4,Manganin etc. | |
| Stainless steel Wire | 304,316 | |
| Silver | Purity 9.99% | |
| golden Wire | ||
| Any copper alloy and nickel alloy is available | ||
a) We can provide high quality material, excellent design, precise manufacturing,complete specifications, considerate and integrity serivices.
b) We can provide all kinds of electric heating alloy material and elements, including customized products.
c) We can provide a complete solution for you.
d) OEM service can be provided.
e) Product selection
f) Process optimization
g) New product development
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