MakeItFrom.com
Menu (ESC)

C70620 Copper-nickel vs. C85400 Brass

Both C70620 copper-nickel and C85400 brass are copper alloys. They have 69% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 300 to 570
220

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1120
940
Melting Onset (Solidus), °C 1060
940
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 49
89
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.3 to 18
7.5
Strength to Weight: Bending, points 11 to 17
9.9
Thermal Diffusivity, mm2/s 14
28
Thermal Shock Resistance, points 10 to 20
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 86.5 to 90
65 to 70
Iron (Fe), % 1.0 to 1.8
0 to 0.7
Lead (Pb), % 0 to 0.020
1.5 to 3.8
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0 to 0.5
24 to 32
Residuals, % 0
0 to 1.1