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0.7mm 6J12/ 6J13 Resistance Copper Precision Alloy Bright Surface Round Wire For Precision Resistors

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0.7mm 6J12/ 6J13 Resistance Copper Precision Alloy Bright Surface Round Wire For Precision Resistors

Brand Name : TANKII

Model Number : 6J13

Certification : ISO9001:2015/ ROHS

Place of Origin : Shanghai, China

MOQ : Negotiable

Price : To negotiate

Payment Terms : L/C, T/T, Western Union, Paypal

Supply Ability : 2000+TON+YEAR

Delivery Time : 7-12 DAYS

Packaging Details : spool, coil, carton or plywood case with plastic film according to clients' requirements

Composition : Copper 86% Manganese 12% Nickel 2%

Feature : Moderate Resistivity, low temperature coefficient

Size Range : 0.02mm-8mm

Insulation : If request, provided

Min elongation : 15%

Other alloy : 6J11, 6J12....

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0.7mm 6J12/ 6J13 Resistance Alloy Bright Surface Round Wire For Precision Resistors

Description

Manganin is a trademarked name for an alloy of typically 86% copper, 12% manganese, and 2% nickel.

A resistance alloy with moderate resistivity and low temperature coefficent. The resistance/temperature curve is not as flat as the constantans nor are the corrosion resistance properties as good.

Chemical Content, %

Ni Mn Fe Si Cu Other ROHS Directive
Cd Pb Hg Cr
2~5 11~13 <0.5 micro Bal - ND ND ND ND

Manganin is a trademarked name for an alloy of typically 84% copper, 12% manganese, and 4% nickel. It was first developed by Edward Weston in 1892, improving upon his Constantan (1887).

Manganin foil and wire is used in the manufacture of resistors, particularly ammeter shunts, because of its virtually zero temperature coefficient of resistance value and long term stability. Several Manganin resistors served as the legal standard for the ohm in the United States from 1901 to 1990. Manganin wire is also used as an electrical conductor in cryogenic systems, minimizing heat transfer between points which need electrical connections.

Manganin is also used in gauges for studies of high-pressure shock waves (such as those generated from the detonation of explosives) because it has low strain sensitivity but high hydrostatic pressure sensitivity.

Physical properties
Density(ρ) 8.4 g/cm3
Mechanical properties
Tensile Strength (σt) 300–600 MPa
Elongation at break <50%
Izod impact strength 107 J/m
Thermal properties
Melting temperature 1020 °C
Thermal conductivity (k) at 23 °C 22 W/(m·K)
Linear thermal expansion coefficient (14–19)×10−6 K−1
Specific heat capacity 0.097 cals/gm

Resistance of Wires at 20 °C
AWG ohms per cm ohms per ft
10 .000836  0.0255
12 .00133   0.0405
14 .00211   0.0644
16 .00336   0.102 
18 .00535   0.163 
20 .00850   0.259 
22 .0135    0.412 
24 .0215    0.655 
26 .0342    1.04  
27 .0431    1.31  
28 .0543    1.66  
30 .0864    2.63  
32 .137     4.19  
34 .218     6.66  
36 .347    10.6   
40 .878    26.8   

0.7mm 6J12/ 6J13 Resistance Copper Precision Alloy Bright Surface Round Wire For Precision Resistors0.7mm 6J12/ 6J13 Resistance Copper Precision Alloy Bright Surface Round Wire For Precision Resistors


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