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Thermocouple Alloy Wire Nicr-CuNi Constantan Alloy Wire1
Non-ferrous Metal ProductsConstantan WireCuNi Wire
Jiangyin Senphus Electrical Material Co., Ltd.
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Product Description NiCr- CuNi thermocouple (type E) is also named NiCr- Constantan thermocouple. The main chemicalcomposition of positive leg NiCr (EP) is Ni: Cr~90:10; negative leg Constantan (EN) is Cu: Ni≈55%, 45%.Although EN, TN, JN are all called Constantan, EN and TN don not give the same EMF output curve as JN.EN and TN are able to interchange but they are not interchangeable with JN. The operating temperaturerange of type E thermocouple is -200~900oC.Type E thermocouple has the largest EMF output and highest sensitivity, so it is ideal for measuring smalltemperature change. It also has good stability in the low temperature range up to 300oC, and goodproperty of anti-corrosion in humidity atmosphere. It is recommended for oxidizing or inert atmospheres,but cannot be used directly in reducing atmosphere and atmosphere with sulphur gases.NameUsagClassificationGradeTemperature range(oC)ToleranceStandardLong termShort termNiCr-NiSithermocouplebright wireKI-40-1200-40-1300±1.5oC or ±0.4%GB/T2614-1998II±2.5oC or ±0.75%NiCr-CuNithermocouplebright wireEI-40-750-40-900±1.5oC or ±0.4%GB/T4993-1998II±2.5oC or ±0.75%Fe-CuNithermocouplebright wireJI-40-600-40-750±1.5oC or ±0.4%GB/T4994-1998II±2.5oC or ±0.75%Cu-CuNithermocouplebright wireTI-200-300-200-350±0.5oC or ±0.4%GB/T2903-1998II±1oC or ±0.75%III±1oC or ±1.5%NiCrSi-NiSiMgthermocouplebright wire NI-40-1200-40-1300±1.5oC or ±0.4%GB/T17615-1998II±2.5oC or ±0.75% PACKING&DELIVERYCERTIFICATIONS COMPANY INTRODUCTION Jiangyin Chengxin Alloy Material Co.,Ltd was founded in 2003 , which is a leading manufacturer of heating resistance alloy material in China. The main process equipments have reached the international level . The company worked out a complete, mature production process of heating alloy from smelting, steel rolling, drawing, heating treatment to the finished product, and established chemical analysis dept , physical testing dept. ect.We can produce wires as client's requests.
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