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Resistance Rheostat Wire CuNi6 CuNi8 CuNi10 CuNi14 Long Useful Life

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Resistance Rheostat Wire CuNi6 CuNi8 CuNi10 CuNi14 Long Useful Life

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Brand Name OHMALLOY
Model Number SP-CuNi44
Certification ISO9001:2015
Place of Origin China
Minimum Order Quantity 5KG
Payment Terms L/C, T/T, , Paypal
Supply Ability 30000 KG per month
Delivery Time 3-18 working days after payment confirmed
Packaging Details Spool+paper case + wooden case/plastic packing+papre case+ wooden box outside(or customized)
Name CuNi6 CuNi8 CuNi10 CuNi14
Material Type CuNi44Mn1(NC050）
Resistivity 0.49(at 20℃ (Ωmm2/m))
Magnetic properties Non-magnetic
Density (g/cm3) 8.9
Conductivity coefficient at 20℃ 23WmK
Supply State Wire /Strip/ Rod/foil
Detailed Product Description

Resistance Rheostat CuNi6 CuNi8 CuNi10 CuNi14 Wire Long Useful Life

 

Constantan(OhmAlloy049.pdf)

 

(Common Name: CuNi44,.Cuprothal49, Alloy 294, Cuprothal 294, Alloy 49, CuNi 102, Cu-Ni 44, Konstantan, Constantan.)

 

OhmAlloy049 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.

 

 

Copper Nickel Alloy Production Standard(GB/T1234-95)

 

 

Performance　 Brand　NC020
CuNi14		NC025
CuNi19		NC030
CuNi23		NC035
CuNi30		NC040
CuNi34		NC050
CuNi44
Main Chemical Content％Ni14.21923303444
Mn0.30.50.51.01.01.0
CuBal.Bal.Bal.Bal.Bal.Bal.
Element Max Working Temperature℃300300300350350400
Density g/cm38.98.98.98.98.98.9
Resistivity Ωmm2/m, at 20℃0.20±5％0.25±5％0.30±5％0.35±5％0.40±5％0.49±5％

Temperature factor of resistivity

10-5/℃(200-600℃)		<38<25<16<10-0<-6
Melting Point ℃111511351150117011801280
Tensile Strength MPa≥310≥340≥350≥400≥400≥420
Enlogation%(>1.0)≥25≥25≥25≥25≥25≥25
EMF VS Copper
V/℃(0-100℃)		-28-32-34-37-39-43
Specific heat capacity j/gk(20℃)0.380.380.380.390.400.41
Conductivity coefficient w/mk at20℃483833272523
Organizational attributeAusteniticAusteniticAusteniticAusteniticAusteniticAustenitic
MagneticNone-MagneticNone-MagneticNone-MagneticNone-MagneticNone-MagneticNone-Magnetic


 

Corrosion resistance performance

AlloysWorking In atmosphere at 20℃Working at max temperature 200℃ 

Air and oxygen contain

gases

gases with Nitrogen

gases with sulfur

oxidability

gases with sulfur

reductibility

carburization
OhmAlloy049goodgoodgoodgoodbadgood

 

Style of supply

Alloys NameTypeDimension 
OhmAlloy049WWireD=0.06mm~8mm 
OhmAlloy049RRibbonW=0.4~40T=0.05~2.9mm
OhmAlloy049SStripW=8~200mmT=0.1~3.0
OhmAlloy049FFoilW=6~120mmT=0.005~0.1
OhmAlloy049BBarDia=8~100mmL=50~1000

 

The addition of nickel to pure copper can significantly improve the strength, corrosion resistance, hardness, electrical resistance and thermoelectricity, and reduce the temperature coefficient of resistivity. Therefore, compared with other copper alloys, the mechanical and physical properties of cupronickel are extremely good, with good ductility, high hardness, beautiful color, corrosion resistance and deep drawing performance.


It is widely used as corrosion-resistant structural parts in shipbuilding, petroleum, chemical, construction, electric power, precision instruments, medical equipment, musical instruments and other departments. Some cupronickel has special electrical properties, which can be used to make resistance elements, thermocouple materials and compensation wires. Non-industrial cupronickel is mainly used to make decorative crafts.
Product Tags: Resistance Rheostat Wire   Copper Based Alloys Rheostat Wire   CuNi10 Copper Alloy Wire  
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