Constantan Wire/Strip/Bar/Foil/Ribbon Cu56ni44 220V Electric Resistance Wire for Oven Design

Model NO.: SP-OhmAlloy049

Sheath Material: None

Insulation Material: None

OEM: Available

Trademark: Ohmalloy

Transport Package: Wooden Case

Specification: 0.06mm~8mm

Origin: China

Model NO.: SP-OhmAlloy049

Sheath Material: None

Insulation Material: None

OEM: Available

Trademark: Ohmalloy

Transport Package: Wooden Case

Specification: 0.06mm~8mm

Origin: China
Constantan Wire/Strip/Bar/Foil/Ribbon Cu56Ni44 220v Electric Resistance Wire for Oven Design
Â
(Common Name:Â CuNi45,Â NC50.Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan,constantan.)

OhmAlloy049Â is a copper-nickel alloy (Cu56Ni44Â alloy) characterized by high electrical resistance, high ductility and good corrosion resistance. It is suitable for use at temperatures up to 400Â°C

Typical applications for OhmAlloy49Â 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.

OhmAlloy049Â is manufactured from electrolytic copper and pure nickel. In finer wire sizes the alloy is designated as OhmAlloy49TC(Thermocouple).

Copper Nickel Alloy Heating Resistance Wire and StripÂ Technique Data
Â

Name
Â Our Code
ResistanceÂ Î©Â atÂ 20Â Â°C
theÂ maximumÂ temperatureÂ°C

Copper-nickel--1
OhmAlloy3
0.03
200

Copper-nickel--2
OhmAlloy5
0.05
200

Copper-nickel--8
OhmAlloy12Â
0.12
250

Copper-nickel--10
OhmAlloy15
0.15
200

Copper-nickel--14
OhmAlloy20
0.2
300

Copper-nickel--19
OhmAlloy25
0.25
300

Copper-nickel--23
OhmAlloy30
0.35
350

Copper-nickel--30
OhmAlloy35
0.35
350

Copper-nickel--34
OhmAlloy40
0.4
350

Copper-nickel--44
OhmAlloy49
0.5
400

Copper Nickel Alloy Heating Resistance Wire Cuni8 Technique Data

Normal composition%

Nickel 45 Manganese 1

Copper Bal. Â Â

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 20ÂºCÂ (Î©mm2/m) 0.49

Temperature factor of resistivity(20ÂºC~600ÂºC)X10-5/ÂºC -6

Conductivity coefficient at 20ÂºC (WmK)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 23

EMF vs Cu(Î¼V/ÂºC )(0~100ÂºC ) -43

Coefficient of thermal expansion

Temperature Thermal Expansion x10-6/K

20 ÂºC- 400ÂºC 16

Specific heat capacity

Temperature 20ÂºC

J/gK 0.41

Melting point (ÂºC) 1280

Max continuous operating temperature in air (ÂºC) 400

Magnetic properties non-magnetic

Corrosion resistance performance

Alloys Working In atmosphere at 20ÂºC Â Â Â Â Â Â Â Â Â Â Â Working at max temperature 200ÂºC

Air and oxygen contain
gases gases with Nitrogen gases with sulfur
oxidability gases with sulfur
reductibility carburization

OhmAlloy049 good bad bad bad bad good

Style of supply

AlloysÂ Name Type Dimension

OhmAlloy049W Wire D=0.03mm~8mm

OhmAlloy049R Ribbon W=0.4~40 T=0.05~2.9mm

OhmAlloy049S Strip W=8~200mm T=0.1~3.0

OhmAlloy049F Foil W=6~120mm T=0.005~0.1

OhmAlloy049B Bar Dia=8~100mm L=50~1000

Our Packing

Â Constantan Wire/Strip/Bar/Foil/Ribbon Cu56Ni44 220v Electric Resistance Wire for Oven Design
Â
(Common Name:Â CuNi45,Â NC50.Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan,constantan.)

OhmAlloy049Â is a copper-nickel alloy (Cu56Ni44Â alloy) characterized by high electrical resistance, high ductility and good corrosion resistance. It is suitable for use at temperatures up to 400Â°C

Typical applications for OhmAlloy49Â 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.

OhmAlloy049Â is manufactured from electrolytic copper and pure nickel. In finer wire sizes the alloy is designated as OhmAlloy49TC(Thermocouple).

Copper Nickel Alloy Heating Resistance Wire and StripÂ Technique Data
Â

Name
Â Our Code
ResistanceÂ Î©Â atÂ 20Â Â°C
theÂ maximumÂ temperatureÂ°C

Copper-nickel--1
OhmAlloy3
0.03
200

Copper-nickel--2
OhmAlloy5
0.05
200

Copper-nickel--8
OhmAlloy12Â
0.12
250

Copper-nickel--10
OhmAlloy15
0.15
200

Copper-nickel--14
OhmAlloy20
0.2
300

Copper-nickel--19
OhmAlloy25
0.25
300

Copper-nickel--23
OhmAlloy30
0.35
350

Copper-nickel--30
OhmAlloy35
0.35
350

Copper-nickel--34
OhmAlloy40
0.4
350

Copper-nickel--44
OhmAlloy49
0.5
400

Copper Nickel Alloy Heating Resistance Wire Cuni8 Technique Data

Normal composition%

Nickel 45 Manganese 1

Copper Bal. Â Â

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 20ÂºCÂ (Î©mm2/m) 0.49

Temperature factor of resistivity(20ÂºC~600ÂºC)X10-5/ÂºC -6

Conductivity coefficient at 20ÂºC (WmK)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 23

EMF vs Cu(Î¼V/ÂºC )(0~100ÂºC ) -43

Coefficient of thermal expansion

Temperature Thermal Expansion x10-6/K

20 ÂºC- 400ÂºC 16

Specific heat capacity

Temperature 20ÂºC

J/gK 0.41

Melting point (ÂºC) 1280

Max continuous operating temperature in air (ÂºC) 400

Magnetic properties non-magnetic

Corrosion resistance performance

Alloys Working In atmosphere at 20ÂºC Â Â Â Â Â Â Â Â Â Â Â Working at max temperature 200ÂºC

Air and oxygen contain
gases gases with Nitrogen gases with sulfur
oxidability gases with sulfur
reductibility carburization

OhmAlloy049 good bad bad bad bad good

Style of supply

AlloysÂ Name Type Dimension

OhmAlloy049W Wire D=0.03mm~8mm

OhmAlloy049R Ribbon W=0.4~40 T=0.05~2.9mm

OhmAlloy049S Strip W=8~200mm T=0.1~3.0

OhmAlloy049F Foil W=6~120mm T=0.005~0.1

OhmAlloy049B Bar Dia=8~100mm L=50~1000

Our Packing

Â
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