UNS C72500 (CW351H) Tin-Bearing Copper-Nickel
Other
H01 (quarter hard)
Property Overview
Density8.9g/cm³
Elastic Modulus120GPa
Tensile Strength450MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service Temperature210°C
Chemical Composition
NI
8.5 to 10.5%
MN
0 to 0.2%
CU
85.2 to 89.7%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.2%
RESIDUALS RES.
0 to 0.2%
SN
1.8 to 2.8%
ZN
0 to 0.5%
FE
0 to 0.6%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Poisson's Ratio
0.34
Shear Modulus
45 GPa
Tensile Strength: Ultimate (UTS)
450 MPa
Hardness
Rockwell B Hardness
75
Rockwell Superficial 30T Hardness
62
Rockwell Superficial 30T Hardness 62
Rockwell Superficial 30T Hardness
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
210 J/g
Maximum Temperature: Mechanical
210 °C
Melting Completion (Liquidus)
1130 °C
Melting Onset (Solidus)
1060 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
54 W/m-K
Thermal Diffusivity
16 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
11 % IACS
Calculated
Stiffness to Weight: Axial
7.6 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
14 points
Strength to Weight: Bending
15 points
Environmental
Base Metal Price
35 % relative
Embodied Carbon
3.6 kg CO 2 /kg material
Embodied Energy
55 MJ/kg
Embodied Energy
55 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
320 L/kg
Embodied Water
320 L/kg 38 gal/lb
Registered Designations & Aliases
C72500CW351HCW351HCuNi9Sn2UNS C72500 (CW351H) Tin-Bearing Copper-Nickel
Standards
ASTM B122 ASTM B122: Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar
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