Constantan Wires or Strips

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Constantan Wires or Strips
Posting date : Mar 02, 2010
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74-
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Constantan Wires or Strips CuNi Resistance wire/ constantan / copper nickel alloys wire-wound precision resistors CuNi44 Resistance wire/ constantan / copper nickel alloys is universally known as Constantan or Konstantan, its high specific resistance and negligible temperature coefficient of resistance are its most important attributes. For others, the fact that CuNi44 offers good ductitility, is easily soldered and welded and has good resistance to atmospheric corrosion is more significant. Type Alloy Name Item No. Composition% Resistivity(20) resistance temp EMF VS Cu(0-100) Density g/cm3 Melting Point Tensile strength Mpa Elongation% Service temp Cu Mn Ni coefficient CuMn Alloys Manganin alloy 6J12 Rem 1113 23 0.47±0.03 -10+20 ≤1 8.4 960 490539 1030 545 Constantan alloy 6J8 Rem 810 0.35±0.05 ≤2 8.7 960 490539 1030 1080 6J13 Rem 1113 25 0.44±0.04 0 40 ≤2 8.4 960 490539 1030 1080 CuNi Alloys Constantan alloy 6J40 Rem 12 3941 0.48±0.03 ±40 ≤45 8.9 1280 390 1530 0400 Cu6Ni Nc010 Rem 6 0.1 -18 8.9 1095 ≥250 ≥18 ≤220 Cu19Ni Nc025 Rem 0.5 19 0.25 -32 8.9 1135 ≥340 ≤300 Cu44Ni Nc050 Rem 1 44 0.49 -43 8.9 1280 ≥420 ≥20 ≤400 NiCr Alloys Ni20Cr 6J20 Ni Cr A1 1.08 ±50 5 8.4 1400 686-736 1030 0500 Rem 1923 Main usage: 1)wire-wound precision resistors,volume control devices,etc 2)low temperature resistance heating applications 3)winding heavy-duty industrial rheostats and electric motor starter resistence Resistivity: 0.49 ohm. Mm2/m German material code:2.0842 Form of delivery: CuNi44 is supplied in the form of wires with dimensions from 0.03 to 6.0mm, in bare condition.Enamelled wires are available in dimensions between 0.09 and 1.0mm. CuNi44 can also be supplied in the form of stranded wire, ribbon,flat wire and rods. Plz contact us if needed.

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