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C68700 Brass vs. R60804 Alloy

C68700 brass belongs to the copper alloys classification, while R60804 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is R60804 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 390
430
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 100
22
Thermal Expansion, µm/m-K 19
6.0

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.5
Embodied Water, L/kg 340
290

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
380
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
18
Strength to Weight: Bending, points 14
19
Thermal Diffusivity, mm2/s 30
12
Thermal Shock Resistance, points 13
53

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Chromium (Cr), % 0
0.070 to 0.13
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
0.18 to 0.24
Lead (Pb), % 0 to 0.070
0
Tin (Sn), % 0
1.2 to 1.7
Zinc (Zn), % 17.8 to 22.2
0
Zirconium (Zr), % 0
97.8 to 98.6
Residuals, % 0
0 to 0.12