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C72800 Copper-nickel vs. C33500 Brass

Both C72800 copper-nickel and C33500 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 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 C33500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 3.9 to 23
3.0 to 28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Shear Strength, MPa 330 to 740
220 to 360
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
340 to 650
Tensile Strength: Yield (Proof), MPa 250 to 1210
120 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 920
900
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 55
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 38
24
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 68
45
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
8.0 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
69 to 860
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17 to 40
12 to 22
Strength to Weight: Bending, points 16 to 30
13 to 21
Thermal Diffusivity, mm2/s 17
37
Thermal Shock Resistance, points 19 to 45
11 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
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
62 to 65
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0 to 0.0050
0.25 to 0.7
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
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
33.8 to 37.8
Residuals, % 0
0 to 0.4

Comparable Variants