Cupro NS CuNi2SiCr Hard Copper Alloy
Cupro NS CuNi2SiCr
RWMA Class3 - C64700 - CW111C
CuproNSS® is a copper alloy developed by Sağlam Metal.
Suitable for applications requiring high mechanical properties along with good electrical and thermal conductivity.
Cupro NS CuNi2SiCr Nickel Silicon Copper Alloy
CuproNSS® is a copper alloy developed by Sağlam Metal.
Suitable for applications requiring high mechanical properties along with good electrical and thermal conductivity.
Area of Application
Spot vvelding electrodes, seam vvelding discs, projection and butt vvelding dies for stainless Steel and Monel
Electrode holders and seamvvelding shafts
Plastic injection mould parts and inserts, injection nozzles and cooling pins
Nozzles and needles for hot runner systems
Plunger tips for cold chamber aluminium and magnesium die casting machines
Chill moulds for non-ferrous metal castings (as brass, bronze)
Brake drums for paper vvinding rolls
Plastic injection mould parts and inserts, injection nozzles and cooling pins
Electrode holders and seam welding shafts
Chemical Composition and Material Number
Code: 2.0855, c18000, UNS c64700, CuNiSi, CW111C, RWMA Class 3, CuNi2Si, C70250, CuNi2SiCr, CuNi2Si Cr
Chromiun |
Silicium |
Nickle |
Other |
Copper |
Cr |
Si |
Ni |
MAX |
Cu |
0,40 |
0,70 |
2,50 |
0,40 |
Remaining |
Delivery Condition: Delivered in heat-treated condition.
Mechanical Properties
Hardness |
200 -220 |
HB |
Tensile Strength |
660 - 690 |
N/mm2 |
Yield Strength |
500 - 520 |
kN/mm2 |
Moduls of Elasticity (20°C) |
130 |
kN/mm2 |
Elogation L=5D |
13 |
% |
Physical Properties
Electrical Conductivity |
48 |
% |
Thermal Expansion Coefficient |
17,5 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
210 |
W/mK |
Density |
8,7 |
g/cm3 |
Special Information
It can be manufactured special demand of alloys for aircraft industries.
