UNS C72800 Tin-Bearing Copper-Nickel
Nickel Alloys
TH01 (quarter-hard and precipitation heat treated)
Property Overview
Density8.8g/cm³
Elastic Modulus120GPa
Tensile Strength1270MPa
Yield Strength1210MPa
Brinell HardnessUnknown
Maximum Service Temperature200°C
Chemical Composition
NI
9.5 to 10.5%
MN
0.050 to 0.3%
SI
0 to 0.050%
P
0 to 0.0050%
S
0 to 0.0025%
CU
78.3 to 82.8%
NB
0.1 to 0.3%
TI
0 to 0.010%
AL
0 to 0.1%
B
0 to 0.0010%
BI
0 to 0.0010%
MG
0.0050 to 0.15%
PB
0 to 0.0050%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
SB
0 to 0.020%
SN
7.5 to 8.5%
ZN
0 to 1.0%
FE
0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
5.9 %
Poisson's Ratio
0.34
Shear Modulus
44 GPa
Shear Strength
740 MPa
Tensile Strength: Ultimate (UTS)
1270 MPa
Tensile Strength: Yield (Proof)
1210 MPa
Hardness
Rockwell C Hardness
37
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
210 J/g
Maximum Temperature: Mechanical
200 °C
Melting Completion (Liquidus)
1080 °C
Melting Onset (Solidus)
920 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
55 W/m-K
Thermal Diffusivity
17 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
45 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
11 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
73 MJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
40 points
Strength to Weight: Bending
30 points
Environmental
Base Metal Price
38 % relative
Embodied Carbon
4.4 kg CO 2 /kg material
Embodied Energy
68 MJ/kg
Embodied Energy
68 MJ/kg 29 x 10 3 BTU/lb
Embodied Water
360 L/kg
Embodied Water
360 L/kg 44 gal/lb
Registered Designations & Aliases
C72800UNS C72800 Tin-Bearing Copper-Nickel