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CC380H Copper-nickel vs. CC753S Brass

Both CC380H copper-nickel and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is CC380H copper-nickel and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
100
Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 26
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 310
340
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1130
820
Melting Onset (Solidus), °C 1080
780
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 46
99
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 300
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
47
Resilience: Unit (Modulus of Resilience), kJ/m3 59
140
Stiffness to Weight: Axial, points 7.8
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.8
12
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 13
32
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.4 to 0.8
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 84.5 to 89
56.8 to 60.5
Iron (Fe), % 1.0 to 1.8
0.5 to 0.8
Lead (Pb), % 0 to 0.030
1.8 to 2.5
Manganese (Mn), % 1.0 to 1.5
0 to 0.2
Nickel (Ni), % 9.0 to 11
0.5 to 1.2
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.050
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0 to 0.5
33.1 to 40