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R60802 Alloy vs. C68700 Brass

R60802 alloy belongs to the otherwise unclassified metals classification, while C68700 brass belongs to the copper alloys. 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 R60802 alloy and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Chromium (Cr), % 0.050 to 0.15
0
Copper (Cu), % 0
76 to 79
Iron (Fe), % 0.070 to 0.2
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0.030 to 0.080
0
Tin (Sn), % 1.2 to 1.7
0
Zinc (Zn), % 0
17.8 to 22.2
Zirconium (Zr), % 97.8 to 98.7
0
Residuals, % 0
0 to 0.5