UNS C70260 (CW111C) Nickel-Silicon Copper
Alloy Steels
TM00 (mill annealed)
Property Overview
Density8.9g/cm³
Elastic Modulus120GPa
Tensile Strength520MPa
Yield Strength410MPa
Brinell HardnessUnknown
Maximum Service Temperature200°C
Chemical Composition
C
CuNi2Si ( CW111C ) Low alloyed copper alloy Chemical composition. Equivalents of CuNi2Si ( CW111C ). Standards.1 Mechanical Properties. Hardness%
RES.
Residuals res. | | 0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Tensile Strength: Ultimate (UTS)
520 MPa
Tensile Strength: Yield (Proof)
410 MPa
Thermal
Latent Heat of Fusion
220 J/g
Maximum Temperature: Mechanical
200 °C
Melting Completion (Liquidus)
1060 °C
Melting Onset (Solidus)
1040 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
160 W/m-K
Thermal Diffusivity
45 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
18 points
Electrical
Electrical Conductivity: Equal Volume
40 % IACS
Electrical Conductivity: Equal Weight (Specific)
40 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
92 MJ/m 3
Resilience: Unit (Modulus of Resilience)
710 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
43 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C70260CW111CCW111CCuNi2SiUNS C70260 (CW111C) Nickel-Silicon Copper
Standards
ASTM B422 ASTM B422: Standard Specification for Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy, Copper-Nickel-Aluminum-Magnesium Alloy, and Copper- Nickel-Tin Alloy Sheet and Strip
EN 12163 EN 12163: 1998 Copper and copper alloys. Rod for general purposes
EN 12165 EN 12165: 1998 Copper and copper alloys. Wrought and unwrought forging stock
EN 12166 EN 12166: 1998 Copper and copper alloys. Wire for general purposes
EN 12167 EN 12167: 1998 Copper and copper alloys. Profiles and rectangular bar for general purposes
EN 12420 EN 12420: 1999 Copper and copper alloys. Forgings
EN 12449 EN 12449: 1999 Copper and copper alloys. Seamless, round tubes for general purposes
EN 13148 EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip
EN 1652 EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes
EN 1654 EN 1654: 1998 Copper and copper alloys. Strip for springs and connectors