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CC380H Copper-nickel vs. C87900 Brass

Both CC380H copper-nickel and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 CC380H copper-nickel and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 26
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 47
41
Tensile Strength: Ultimate (UTS), MPa 310
480
Tensile Strength: Yield (Proof), MPa 120
240

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1130
930
Melting Onset (Solidus), °C 1080
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 46
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 58
46
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
100
Resilience: Unit (Modulus of Resilience), kJ/m3 59
270
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 9.8
17
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 13
37
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 84.5 to 89
63 to 69.2
Iron (Fe), % 1.0 to 1.8
0 to 0.4
Lead (Pb), % 0 to 0.030
0 to 0.25
Manganese (Mn), % 1.0 to 1.5
0 to 0.15
Nickel (Ni), % 9.0 to 11
0 to 0.5
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.5
30 to 36