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R60802 Alloy vs. C69430 Brass

R60802 alloy belongs to the otherwise unclassified metals classification, while C69430 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R60802 alloy and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Elongation at Break, % 22
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
42
Tensile Strength: Ultimate (UTS), MPa 430
570
Tensile Strength: Yield (Proof), MPa 270
280

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 22
26
Thermal Expansion, µm/m-K 6.0
18

Otherwise Unclassified Properties

Density, g/cm3 6.5
8.3
Embodied Water, L/kg 290
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
80
Resilience: Unit (Modulus of Resilience), kJ/m3 380
340
Stiffness to Weight: Axial, points 8.3
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 12
7.7
Thermal Shock Resistance, points 53
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Chromium (Cr), % 0.050 to 0.15
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 0.070 to 0.2
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 0.030 to 0.080
0
Silicon (Si), % 0
3.5 to 4.5
Tin (Sn), % 1.2 to 1.7
0
Zinc (Zn), % 0
11.4 to 16.5
Zirconium (Zr), % 97.8 to 98.7
0
Residuals, % 0
0 to 0.5