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C84200 Brass vs. C70400 Copper-nickel

Both C84200 brass and C70400 copper-nickel are copper alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C70400 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
45
Tensile Strength: Ultimate (UTS), MPa 250
300 to 310
Tensile Strength: Yield (Proof), MPa 120
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 150
210
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
64
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
14
Electrical Conductivity: Equal Weight (Specific), % IACS 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 350
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 72
38 to 220
Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
9.3 to 9.8
Strength to Weight: Bending, points 10
11 to 12
Thermal Diffusivity, mm2/s 23
18
Thermal Shock Resistance, points 9.1
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
89.8 to 93.6
Iron (Fe), % 0 to 0.4
1.3 to 1.7
Lead (Pb), % 2.0 to 3.0
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 0.8
4.8 to 6.2
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
0 to 1.0
Residuals, % 0
0 to 0.5