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C84200 Brass vs. C70620 Copper-nickel

Both C84200 brass and C70620 copper-nickel are copper alloys. They have 81% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 250
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 150
220
Melting Completion (Liquidus), °C 990
1120
Melting Onset (Solidus), °C 840
1060
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
49
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 30
33
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 350
300

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
9.3 to 18
Strength to Weight: Bending, points 10
11 to 17
Thermal Diffusivity, mm2/s 23
14
Thermal Shock Resistance, points 9.1
10 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 78 to 82
86.5 to 90
Iron (Fe), % 0 to 0.4
1.0 to 1.8
Lead (Pb), % 2.0 to 3.0
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.8
9.0 to 11
Phosphorus (P), % 0 to 1.5
0 to 0.2
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0 to 0.020
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
0 to 0.5
Residuals, % 0
0 to 0.5