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C72800 Copper-nickel vs. C38000 Brass

Both C72800 copper-nickel and C38000 brass are copper alloys. They have 59% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 3.9 to 23
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
39
Shear Strength, MPa 330 to 740
230
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
380
Tensile Strength: Yield (Proof), MPa 250 to 1210
120

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1080
800
Melting Onset (Solidus), °C 920
760
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 55
110
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 38
22
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 68
46
Embodied Water, L/kg 360
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
50
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
74
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17 to 40
13
Strength to Weight: Bending, points 16 to 30
14
Thermal Diffusivity, mm2/s 17
37
Thermal Shock Resistance, points 19 to 45
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.5
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
55 to 60
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0 to 0.0050
1.5 to 2.5
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0 to 0.3
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
35.9 to 43.5
Residuals, % 0
0 to 0.5