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CC383H Copper-nickel vs. CC751S Brass

Both CC383H copper-nickel and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is CC383H copper-nickel and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
130
Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 20
5.6
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 490
450
Tensile Strength: Yield (Proof), MPa 260
320

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 260
130
Melting Completion (Liquidus), °C 1180
850
Melting Onset (Solidus), °C 1130
810
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
110
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 44
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.7
2.8
Embodied Energy, MJ/kg 83
46
Embodied Water, L/kg 280
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
23
Resilience: Unit (Modulus of Resilience), kJ/m3 250
480
Stiffness to Weight: Axial, points 8.6
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15
15
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 8.1
35
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0 to 0.010
0
Boron (B), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.020
0
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64 to 69.1
62.7 to 66
Iron (Fe), % 0.5 to 1.5
0.25 to 0.5
Lead (Pb), % 0 to 0.010
0.8 to 2.2
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.15
Nickel (Ni), % 29 to 31
0 to 0.8
Niobium (Nb), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.010
0
Selenium (Se), % 0 to 0.010
0
Silicon (Si), % 0.3 to 0.7
0.65 to 1.1
Sulfur (S), % 0 to 0.010
0
Tellurium (Te), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0 to 0.5
27.9 to 35.6