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6J40 Constantan Alloy Precision elektriske legeringer Wholesale
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  • 6J40 Constantan Alloy Precision elektriske legeringer
  • 6J40 Constantan Alloy Precision elektriske legeringer
  • 6J40 Constantan Alloy Precision elektriske legeringer

6J40 Constantan Alloy Precision elektriske legeringer

6J40 Constantan alloy precision electrical alloys, with their extremely low temperature coefficient of resistance (TCR) and excellent processing properties, are a core material in the manufacture of precision electronic components, shunts, and thermocouple compensating wires. The thermoelectric potential of 6J40 against copper is 45 μV/°C, which is considered a challenge in precision resistance applications because temperature differences at the connection points can generate parasitic voltages. Denne egenskab gør imidlertid 6J40 til et ideelt negativt elektrodemateriale til fremstilling af J-type termoelementer og kompenserende ledninger. 6J40 har et meget bredt driftstemperaturområde (5°C til 500°C). Its oxidation resistance is superior to that of manganin, maintaining relatively stable electrical properties in air at temperatures up to 500°C.

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  • Specifikation
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Karakter CONSTANTAN MANGANIN MANGANIN MANGANIN
6J40 6J12 6J8 6J13
Hovedkemisk sammensætning (%) Mn 1-2 11-13 8-10 11-13
Ni 39-41 2-3 – 2-5
Cu Bal Bal Bal Bal
Max arbejdstemperatur (℃) 5-500 5-45 10-80 10-81
Massefylde (g/cm³) 8.88 8.44 8.7 8.4
Resistivitet (μΩ·m, 20℃) 0,48±3 % 0,47±3 % 0,35±5 % 0,44±4 %
Forlængelse (φ>1,0) ≥15 ≥15 ≥15 ≥15
Modstandstemperaturkoefficient (10⁻⁵/℃, 20–600℃) – 40~40 –3~ 20 – 5~ 10 0~40
Termo-EMF (μV/℃, 0–100℃) 45 1 2 2
Om os
Danyang Haiwei Electrothermal Alloy Co., Ltd.
Danyang Haiwei Electrothermal Alloy Co., Ltd. is located in Lvcheng Town, Danyang City, Jiangsu Province, China. The company was established in 2010 based on the original company "Danyang Huakang Electric Heating Alloy Co., Ltd." and has been in operation for over 40 years. Since its expansion, the company's total area has reached 30,000 square meters. As a famous China 6J40 Constantan Alloy Precision elektriske legeringer Manufacturers and 6J40 Constantan Alloy Precision elektriske legeringer Factory, the company has production lines for a series of products including FeCrAl, Kanthal, CuNi, NiCr, CuMn, Kangtong, Monel, Incoloy, Hastelloy, etc. We have equipped with advanced equipment and processes, capable of providing a complete product range from raw material melting, steel rolling, stretching, heat treatment to finished products and packaging. Standardization work and strict inspections run through every stage of the product. As Haiven people, we have always adhered to the goal of "building a first-class brand and a first-class enterprise". We uphold the spirit of "quality first, reputation foremost", providing customers with the highest quality products and competitive prices. Welcome new and old customers at home and abroad to visit and patronize. Let us achieve long-term win-win cooperation.

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