- Fe-Cr-Al Alloys
- Nickel-chromium Alloys
- Cn/Mn-Cu Alloys
- Cu-Ni Alloys
- Precision Alloys
- Ni-Al Alloys
- Pure Nickel Alloys
- Monel Alloys
- Hastelloy Alloys
- Inconel Alloys
- Incoloy Alloys
- Haynes Alloys
6J12 Manganese Copper Alloy Flat Wire
Overview
6J12 Manganese Copper Alloy Flat Wire is a high-performance material engineered for applications requiring superior conductivity, heat resistance, and mechanical strength. Its optimized manganese-copper (Mn-Cu) ratio ensures stable resistivity and tensile performance, making it ideal for electronics, industrial heating systems, and precision instruments. With rigorous quality control, 6J12 wire maintains reliability under extreme temperatures, offering a premium alternative to conventional copper alloys.
Limiting Chemical Composition, %
Nickel(Ni)............................................................................................................................................2.0-3.0
Manganese(Mn).............................................................................................................................11.0-13.0
Copper(Cu)..............................................................................................................................................Rest
The Else is no
Main Properties
| Performance / Nomenclature | Constantan 6J40 | Novokonstant 6J11 | Manganin 6J12 | F1 Manganin 6J8 | F2 Manganin 6J13 | |
| Main chemical composition | Ni | 39.0-41.0 | — | 2.0-3.0 | — | 2.0-5.0 |
| Mn | 1.0-2.0 | 10.5-12.5 | 11.0-13.0 | 8.0-10.0 | 11.0-13.0 | |
| Cu | Rest | Rest | Rest | Rest | Rest | |
| Else | — | Al:2.5-4.5 Fe:1.0-1.6 |
— | Si:1.0-2.0 | — | |
| Service temperature (℃) |
5-500 | 5-500 | 5-450 | 10-480 | 10-480 | |
| Density (g/cm³) |
8.88 | 8 | 8.44 | 8.7 | 8.4 | |
| Resistivity at20℃ (200Cμ.m) |
0.48±0.03 | 0.48±0.03 | 0.46±0.03 | 0.35±0.05 | 0.44±0.04 | |
| Temperature coefficient x10-6/℃(20-600℃) |
+40 | +80 | +20 | +10 | 40 | |
| -40 | -80 | -3 | -5 | |||
| P-copper thermoelectric potential (μV/℃)(0-100℃) |
45 | 2 | 1 | 2 | 2 | |
| Elongation at rupture(%) | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
Technical Specifications
Parameter |
Value/Range |
Melting Point |
950-1050°C |
Tensile Strength |
550-700 MPa |
Elongation |
18-25% |
Surface Finish |
Bright/Oxidation-Resistant |
Thickness Range |
1.0mm-5.0mm |
Width Range |
Customized (8mm-80mm) |
Temperature Resistance |
-50°C ~ 400°C |
Continuous Use Temp |
≤400°C |
Short-Term Peak Temp |
≤600°C (≤30 mins) |
Resistivity |
0.025-0.035 Ω·mm²/m |
Density |
8.5-8.9 g/cm³ |
Material Properties
● High Conductivity:
Low resistivity ensures efficient power transmission.
● Heat Resistance:
Continuous service temperature up to 400°C, short-term peak at 600°C.
● Mechanical Excellence:
High tensile strength and elongation for demanding fabrication.
● Corrosion Resistance:
Resists oxidation and chemical degradation.
Core Advantages
● Versatility:
Ideal for high-temperature, high-stress, and precision applications.
● Cost-Efficiency:
Extended lifespan reduces maintenance costs.
● Eco-Friendly Compliance:
Meets RoHS and ISO standards for sustainability.
Typical Applications
● Electronics:
Resistors, connectors, sensor components.
● Energy Systems:
Heating elements, fuses, power transmission parts.
● Automotive:
Engine harnesses, high-temperature sensors.
● Aerospace:
Heat-resistant cables and precision instruments.
Industries Served
● Electronics & Semiconductor Manufacturing
● Automotive & EV Industries
● Energy & Power Transmission
● Aerospace & Defense Technology
● Medical Devices & Precision Instruments
Packaging & Certifications
● Standard Packaging: Moisture-proof spools/plastic reels, customized wooden crates/pallets.
● Certifications: ISO 9001, RoHS, REACH compliant.
Why Choose 6J12?
● Performance Excellence:
Balances conductivity, strength, and heat resistance.
● Global Trust:
Trusted by 500+ clients worldwide.
● Technical Support:
Custom solutions and rapid after-sales service.
Available Forms
We provide you with a variety of product forms, including but not limited to
● Strip & Foil
● Round Wire &Flat Wire
● Bar & Rod
● Electrothermal Strip
● Flange & Ring
● Wire & Welding
● Reststance Wire
● Electric Alloy Wire
● Electric Furnace Bar
● Customize
description2

1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
6J525(6J28)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
6J525(6J28)
Ni95Al5
monel 400
monel R405
monel K500
monel 502
monel 400
monel R405
monel K500
monel 502
monel R405
monel K500
monel 502
Hastelloy C-22
Hastelloy C-22
Hastelloy C-22
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Strip & Foil
Round Wire
Bar & Rod
Electrothermal strip
Bolts & Fasteners
Flange & Ring
Wire & Welding
Reststance wire & flat wire
Electric alloy wire
Electric furnace wire