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Copper based low Resistance Heating alloys

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   Copper-based heating resistance alloy manufactured by our company has quite low temperature coefficient of resistance, quite good corrosion resistance, welding and processing performance. CuNi1, CuNi2, CuNi6, CuNi8, CuMn3, CuNi10, CuNi14, CuNi19, CuNi19, CuNi23, CuNi30, CuNi34 and CuNI44 manufactured by our company have been widely applied to electrical heating elements of thermal overload relay and low-voltage circuit breaker. 

List of alloys 
 
Copper-nickel (CuNi) alloys: CuNi1, CuNi2, CuNi6, CuNi8, CuMn3, CuNi10, CuNi14, CuNi19, CuNi19, CuNi23, CuNi30, CuNi34, CuNI44. 
 
Date Sheet

Main Characteristics Of Copper-based Low Resistance Heating Alloys

Nomenclature Performance NC003 CuNi1 NC005 CuNi2 NC010 CuNi6 NC012 CuNi8 MC012 CuMn3 NC015 CuNi10 NC020 CuNi14 NC025 CuNi19 NC030 CuNi23 NC035 CuNi30 NC040 CuNi34 NC050 CuNi44
Main Chemical Composition (%) Ni 1 2 6 8 - 10 14.2 19 23 30 34 44
Mn - - - - 3 - 0.3 0.5 0.5 1 1 1
Cu Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal.
Max continuous service temp of element(℃) - 200 220 250 200 250 300 300 300 350 350 400
Melting point(approx℃) 1085 1090 1095 1097 1050 1100 1115 1135 1150 1170 1180 1280
Density (g/cm3) 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9
Resistivity at 20℃(μΩ.m) 0.03±10% 0.05±10% 0.1±10% 0.12±10% 0.12±10% 0.15±10% 0.2±5% 0.25±5% 0.3±5% 0.35±5% 0.4±5% 0.50±5%
Tensile strength (Mpa) ≥210 ≥220 ≥250 ≥270 ≥290 ≥290 ≥310 ≥340 ≥350 ≥400 ≥400 ≥420
Elongation rate (%,>Φ1.0) ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25
10-5/℃ (20-600℃) TCR <100 <120 <60 <57 <38 <50 <38 <25 <16 <10 0 <-6

Material: CuNi3Mn2.
Resistivity at 20oC: 0.12µΩ.m.
Diameter: 0.340 – 0.350mm.
Resistance at 23oC: 1.282 – 1.361Ω/m.
In bright annealed condition.
Test certificate supplied with goods.
20kg spools similar to DIN 250.
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Danyang Bosheng Alloys Material Factory Limited occupies over 12000 sq meters of manufacturing located in Dangyang city, Jiangsu provenience close to Hu-Ning expressway and railway, about 2hours ride to Shanghai. 

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Wire Drawing/Thin wire Drawing/ Annealing
Ribbon, flat wire and strip
Stranding and Bunching
Cut to Length Wire 
Rewinding and Spooling
Wire coating
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