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C19700 Copper vs. C68300 Brass

Both C19700 copper and C68300 brass are copper alloys. They have 61% of their average alloy composition in common. There are 28 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 C19700 copper and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 2.4 to 13
15
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 67 to 75
60
Shear Modulus, GPa 43
40
Shear Strength, MPa 240 to 300
260
Tensile Strength: Ultimate (UTS), MPa 400 to 530
430
Tensile Strength: Yield (Proof), MPa 330 to 520
260

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1040
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 250
120
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 49
56
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1160
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 12 to 16
15
Strength to Weight: Bending, points 14 to 16
16
Thermal Diffusivity, mm2/s 73
38
Thermal Shock Resistance, points 14 to 19
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 97.4 to 99.59
59 to 63
Iron (Fe), % 0.3 to 1.2
0
Lead (Pb), % 0 to 0.050
0 to 0.090
Magnesium (Mg), % 0.010 to 0.2
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0.1 to 0.4
0
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0 to 0.2
0.050 to 0.2
Zinc (Zn), % 0 to 0.2
34.2 to 40.4
Residuals, % 0
0 to 0.5