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Copper Alloy Manganin Wire 6j8 Copper-Nickel Alloys

Basic Info

Model No.:  6J8

Product Description

Model NO.: 6J8 Material: Cuni Application: Resistor and Heating System Conductor Type: Solid Resistance: Stable Origin: China Product Type: Wire Carbon Content: Low Carbon Cconductor Material: Copper Certificate: RoHS,ISO9001,SGS Trademark: Yunlai Very good resistance to corrosion
Very good malleability
Very good solderability

Copper-Nickel Alloys

For the manufacturing of low temperatures electric resistances so as heating principally destined cables, shunts, resistances for automobile, they have a maximum operating temperature of 400 ° C.

They do not therefore intervene in the field of resistances for industrial furnaces.

Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 0.49 to 0.05 Ohm mm² /m).

The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.
Characteristic Resistivity ( 200C μΩ.m) Max.working Temperature ( 0C) Tensile Strength (Mpa) Melting point (0C) Density ( g/cm3) TCR x10-6/ 0C (20~600 0C) EMF vs Cu (μV/ 0C) (0~100 0C)
Alloy Nomenclature
NC003 (CuNi1) 0.03 200 210 1085 8.9 <100 -8
NC005 (CuNi2) 0.05 200 220 1090 8.9 <120 -12
NC010 (CuNi6) 0.1 220 250 1095 8.9 <60 -18
NC012 (CuNi8) 0.12 250 270 1097 8.9 <57 -22
NC015 (CuNi10) 0.15 250 290 1100 8.9 <50 -25
NC020 (CuNi14) 0.2 300 310 1115 8.9 <30 -28
NC025 (CuNi19) 0.25 300 340 1135 8.9 <25 -32
NC030 (CuNi23) 0.3 300 350 1150 8.9 <16 -34
NC035 (CuNi30) 0.35 350 400 1170 8.9 <10 -37
NC040 (CuNi34) 0.4 350 400 1180 8.9 0 -39
NC050 (CuNi44) 0.5 400 420 1200 8.9 <-6 -43

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