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R60804 Alloy vs. C68800 Brass

R60804 alloy belongs to the otherwise unclassified metals classification, while C68800 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R60804 alloy and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Elongation at Break, % 22
2.0 to 36
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
41
Tensile Strength: Ultimate (UTS), MPa 430
570 to 890
Tensile Strength: Yield (Proof), MPa 270
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Specific Heat Capacity, J/kg-K 270
400
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 6.0
19

Otherwise Unclassified Properties

Density, g/cm3 6.5
8.2
Embodied Water, L/kg 290
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 380
710 to 2860
Stiffness to Weight: Axial, points 8.3
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 18
19 to 30
Strength to Weight: Bending, points 19
19 to 25
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 53
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Chromium (Cr), % 0.070 to 0.13
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 0.18 to 0.24
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Tin (Sn), % 1.2 to 1.7
0
Zinc (Zn), % 0
21.3 to 24.1
Zirconium (Zr), % 97.8 to 98.6
0
Residuals, % 0
0 to 0.5