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C84800 Brass vs. CC381H Copper-nickel

Both C84800 brass and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 18
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 39
52
Tensile Strength: Ultimate (UTS), MPa 230
380
Tensile Strength: Yield (Proof), MPa 100
140

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 150
260
Melting Completion (Liquidus), °C 950
1180
Melting Onset (Solidus), °C 830
1120
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 72
30
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 27
40
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
5.0
Embodied Energy, MJ/kg 46
73
Embodied Water, L/kg 340
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
60
Resilience: Unit (Modulus of Resilience), kJ/m3 53
68
Stiffness to Weight: Axial, points 6.6
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.3
12
Strength to Weight: Bending, points 9.6
13
Thermal Diffusivity, mm2/s 23
8.4
Thermal Shock Resistance, points 8.2
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 75 to 77
64.5 to 69.9
Iron (Fe), % 0 to 0.4
0.5 to 1.5
Lead (Pb), % 5.5 to 7.0
0 to 0.030
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 1.0
29 to 31
Phosphorus (P), % 0 to 1.5
0 to 0.010
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.080
0 to 0.010
Tin (Sn), % 2.0 to 3.0
0
Zinc (Zn), % 13 to 17
0 to 0.5
Residuals, % 0 to 0.7
0