China Constantan Strip Eureka Strip Plate Sheet

High Quality Constantan Strip Eureka Strip, Plate, Sheet
Constantan Foil/Constantan Strip/Copper Nickel Alloys
CuNi44 Strip/NC050/6J40
Chemical Composition: 55.00% Copper, 44.00% Nickel, Mn 1.00%
Electrical Resistivity: 0.49 ohm mm2/m
Shape: Strip/Sheet/Tape
Dimension: Thickness 0.03mm-3mm
Width: 6mm-150mm
Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm. Mm2/ft). The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.
1. Description

Cupronickel, also can be called copper nickel alloy, is an alloy of copper, nickel and strengthening impurities, such as iron and manganese.

CuNi44
Chemical Content(%)

MnNiCu1.044Bal.

Mechanical Properties

Max Continuous Service Temp400 ºCResistivity at 20ºC0.49 ± 5% ohm*mm2/mDensity8.9 g/cm3Temperature Coefficient of Resistance< -6 x10-6/ºCEMF VS Cu (0~100ºC)-43 μV/ºCMelting Point1280 ºCTensile StrengthMin 420 MpaElongationMin 25%Micrographic StructureAusteniteMagnetic PropertyNon.

2. Specification

Wire: Diameter: 0.04mm-8.0mm

Strip: Thickness: 0.01mm-3.0mm
Width: 0.5mm-120mm

3.Usage

It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.
4.Features

It has nice corrosion resistance, good malleability and solderability.

5. Packing detail

1) Coil (plastic spool) + compressed ply-wooden case + pallet
2) Coil (plastic spool) + carton + pallet

6. Products and services

1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
5). Fast delivery;