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C96300 Copper-nickel vs. C68100 Brass

Both C96300 copper-nickel and C68100 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% 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 C96300 copper-nickel and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
100
Elongation at Break, % 11
29
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 49
40
Tensile Strength: Ultimate (UTS), MPa 580
380
Tensile Strength: Yield (Proof), MPa 430
140

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 240
120
Melting Completion (Liquidus), °C 1200
890
Melting Onset (Solidus), °C 1150
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 37
98
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 6.1
27

Otherwise Unclassified Properties

Base Metal Price, % relative 42
23
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 76
47
Embodied Water, L/kg 290
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
86
Resilience: Unit (Modulus of Resilience), kJ/m3 720
94
Stiffness to Weight: Axial, points 8.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 10
32
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 72.3 to 80.8
56 to 60
Iron (Fe), % 0.5 to 1.5
0.25 to 1.3
Lead (Pb), % 0 to 0.010
0 to 0.050
Manganese (Mn), % 0.25 to 1.5
0.010 to 0.5
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0.040 to 0.15
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
36.4 to 43
Residuals, % 0 to 0.5
0 to 0.5