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| Categories | Copper Based Alloys |
|---|---|
| Brand Name: | OHMALLOY |
| Model Number: | CN44W0193B |
| Certification: | SGS,CE,ISO |
| Place of Origin: | China(Shanghai) |
| MOQ: | 5 |
| Price: | negotiable |
| Payment Terms: | , T/T, L/C |
| Supply Ability: | 80000Kg/Week |
| Packaging Details: | Plastic packing inside, wooden box outside , choose the suitable packing, Alos it can be customized by the clients' demand. |
| Resistivity(μΩ.m): | 0.49 |
| Shape: | Wire |
| size: | 36 0.193mm |
| Normal composition: | CuNi44 |
| Tensile Strength: | 420Mpa |
| Density (g/cm3): | 8.9 |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
CuNi44 Copper Based Alloys Resistor 400℃ Temperature Heat Resistant
Wire
OhmAlloy49(Resistance heating wire and resistance wire)
(Common Name:CuNi44,NC50.Cuprothal, Alloy 294, Cuprothal 294, Nico,
MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102,
Cu-Ni 44, Konstantan,constantan.)
OhmAlloy49 is a copper-nickel alloy (Cu56Ni44 alloy) characterized
by high electrical resistance, high ductility and good corrosion
resistance. It is suitable for use at temperatures up to 400°C
Typical applications for OhmAlloy49 are temperature-stable
potentiometers, industrial rheostats and electric motor starter
resistances.
The combination of negligible temperature coefficient and high
resistivity makes the alloy particulary suitable for the winding of
precision resistors.
OhmAlloy49 is manufactured from electrolytic copper and pure
nickel. In finer wire sizes the alloy is designated as
OhmAlloy49TC(Thermocouple).
Normal composition%
| Nickel | 44 | Manganese | 1 |
| Copper | Bal. |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 250 | 420 | 25 |
Typical Physical properties
| Density (g/cm3) | 8.9 |
| Electrical resistivity at 20℃ (Ωmm2/m) | 0.49 |
| Temperature factor of resistivity(20℃~600℃)X10-5/℃ | -6 |
| Conductivity coefficient at 20℃ (WmK) | 23 |
| EMF vs Cu(μV/℃ )(0~100℃ ) | -43 |
| |
| Temperature | Thermal Expansion x10-6/K |
| 20 ℃- 400℃ | 15 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.41 |
| Melting point (℃) | 1280 |
| Max continuous operating temperature in air (℃) | 400 |
| Magnetic properties | non-magnetic |
Corrosion resistance performance
| Alloys | Working In atmosphere at 20℃ | Working at max temperature 200℃ | |||||
Air and oxygen contain | gases with Nitrogen | gases with sulfur | gases with sulfur | carburization | |||
| OhmAlloy49 | good | good | good | good | bad | good | |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy49W | Wire | D=0.03mm~8mm | ||
| OhmAlloy49R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| OhmAlloy49S | Strip | W=8~200mm | T=0.1~3.0 | |
| OhmAlloy49F | Foil | W=6~120mm | T=0.003~0.1 | |
| OhmAlloy49B | Bar | Dia=8~100mm | L=50~1000 | |
|
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