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Certificazione
CuNi44/CuNi40Mn1 Strip & Wire | Thermocouple & Shunt Alloys | High Resistivity | Cryogenic to 400°C
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Dettagli:
Termini di pagamento e spedizione:
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Descrizione di prodotto dettagliata
| Nome: | Striscia CuNi44/CuNi40Mn1 | Tipo materiale: | Cuni44 |
|---|---|---|---|
| Resistività: | 0,49 (a 20℃ (Ωmm2/m)) | Proprietà magnetiche: | Non magnetico |
| Densità (g/cm3): | 8,9 | Coefficiente di conducibilità a 20℃: | 23WmK |
| Stato di fornitura: | Cavo /Strip/ Rod/stagnola |
CuNi44/CuNi40Mn1 Strip & Wire | Thermocouple & Shunt Alloys | High Resistivity | Cryogenic to 400°C
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 |
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| Main Chemical Content％ | Ni | 14.2 | 19 | 23 | 30 | 34 | 44 |
| Mn | 0.3 | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | |
| Cu | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Element Max Working Temperature℃ | 300 | 300 | 300 | 350 | 350 | 400 | |
| Density g/cm3 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
| Resistivity Ωmm2/m, at 20℃ | 0.20±5％ | 0.25±5％ | 0.30±5％ | 0.35±5％ | 0.40±5％ | 0.49±5％ | |
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Temperature factor of resistivity 10-5/℃(200-600℃) |
<38 | <25 | <16 | <10 | -0 | <-6 | |
| Melting Point ℃ | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | |
| 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℃) | 0.38 | 0.38 | 0.38 | 0.39 | 0.40 | 0.41 | |
| Conductivity coefficient w/mk at20℃ | 48 | 38 | 33 | 27 | 25 | 23 | |
| Organizational attribute | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
| Magnetic | None-Magnetic | None-Magnetic | None-Magnetic | None-Magnetic | None-Magnetic | None-Magnetic | |
Corrosion resistance performance
| Alloys | Working In atmosphere at 20℃ | Working at max temperature 200℃ | |||||
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Air and oxygen contain gases |
gases with Nitrogen |
gases with sulfur oxidability |
gases with sulfur reductibility |
carburization | |||
| OhmAlloy049 | good | good | good | good | bad | good | |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy049W | Wire | D=0.06mm~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 | |
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.
Dettagli di contatto
Ohmalloy Material Co.,Ltd
Persona di contatto: Mr. Qiu
Telefono: +8613795230939
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