CuNi44 Cu-Ni Alloy: Reliable Factory for Copper Nickel 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.) CuNi44 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 CuNi44 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. CuNi44 is manufactured from electrolytic copper and pure nickel. In finer wire sizes the alloy is designated as CuNi44TC(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

Coefficient of thermal expansion
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	gases with Nitrogen	gases with sulfur oxidability	gases with sulfur reductibility	carburization
CuNi44	good	good	good	good	bad	good

Style of supply

Alloys Name	Type	Dimension
CuNi44	Wire	D=0.03mm~8mm
	Ribbon	W=0.4~40	T=0.03~2.9mm
	Strip	W=8~200mm	T=0.1~3.0
	Foil	W=6~120mm	T=0.003~0.1
	Bar	Dia=8~100mm	L=50~1000

CuNi series: CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23,CuNi30, CuNi34, CuNi44.Shijiazhuang Chengyuan Alloy Material Co., Ltd. is a high-tech enterprise specializing in the production of various alloy materials. It has an advanced and complete production line, including material smelting, surface cleaning, rolling, slitting, and a complete test process. Meet the corresponding quality inspection of different products. The company focuses on the production and supply of various electric heating alloys, expansion alloys, soft magnetic alloys, elastic alloys, high temperature alloys and all kinds of pure metals. The product forms include wire, flat wire, strip, plate, bar, foil, Seamless pipe, wire mesh, powder, etc. can meet the application needs of different customers. The various performance indicators of the product are strictly in accordance with the national standards. If customers put forward non-standard requirements, they can also be implemented by reference. Our products are widely used in heating equipment, machinery manufacturing, electric furnace production, instrumentation, household appliances, mineral mining, aerospace, petroleum and nuclear power and other industries, and have received good market feedback. Our products have stable delivery time, excellent quality, sophisticated packaging, and high repurchase rate. They are not only widely recognized in the domestic market, but also have a good reputation in the international market.

* OEM manufacturer * We will deliver the goods to the warehouse of the customer's agent in any city in China. * Terms of delivery: EXW, FCA, FOB, CIF, CPT, DAP * Mode of transport: Sea, Auto, Railway, Air and Express * Payment terms: Bank Transfer, Western Union, PayPal, Alipay * Quality Certificate: In order to improve the quality of products and services, with each order we provide a quality certificate for goods, which includes measured data - chemical composition, electrical resistivity, tensile strength, elongation, melting number, etc. Cheng Yuan Alloy Material Co., Ltd Email: [email protected] Tel .: +86 13673186216 +86 311 8803 3197