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C69710 Brass vs. CC381H Copper-nickel

Both C69710 brass and CC381H copper-nickel are copper alloys. 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 (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 25
20
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
52
Tensile Strength: Ultimate (UTS), MPa 470
380
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 930
1180
Melting Onset (Solidus), °C 880
1120
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.0
Embodied Energy, MJ/kg 44
73
Embodied Water, L/kg 310
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
60
Resilience: Unit (Modulus of Resilience), kJ/m3 250
68
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
12
Strength to Weight: Bending, points 16
13
Thermal Diffusivity, mm2/s 12
8.4
Thermal Shock Resistance, points 16
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 75 to 80
64.5 to 69.9
Iron (Fe), % 0 to 0.2
0.5 to 1.5
Lead (Pb), % 0.5 to 1.5
0 to 0.030
Manganese (Mn), % 0 to 0.4
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 2.5 to 3.5
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 13.8 to 22
0 to 0.5
Residuals, % 0 to 0.5
0