C68700 Brass vs. R60706 Alloy
C68700 brass belongs to the copper alloys classification, while R60706 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 R60706 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 | |
37 |
Tensile Strength: Ultimate (UTS), MPa | 390 | |
580 |
Tensile Strength: Yield (Proof), MPa | 140 | |
390 |
Thermal Properties
Latent Heat of Fusion, J/g | 190 | |
250 |
Specific Heat Capacity, J/kg-K | 400 | |
270 |
Thermal Conductivity, W/m-K | 100 | |
17 |
Thermal Expansion, µm/m-K | 19 | |
6.3 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.3 | |
6.7 |
Embodied Water, L/kg | 340 | |
450 |
Common Calculations
Resilience: Unit (Modulus of Resilience), kJ/m3 | 90 | |
760 |
Stiffness to Weight: Axial, points | 7.3 | |
8.1 |
Stiffness to Weight: Bending, points | 19 | |
23 |
Strength to Weight: Axial, points | 13 | |
24 |
Strength to Weight: Bending, points | 14 | |
23 |
Thermal Diffusivity, mm2/s | 30 | |
9.5 |
Thermal Shock Resistance, points | 13 | |
67 |
Alloy Composition
Aluminum (Al), % | 1.8 to 2.5 | |
0 |
Arsenic (As), % | 0.020 to 0.1 | |
0 |
Carbon (C), % | 0 | |
0 to 0.050 |
Chromium (Cr), % | 0 | |
0 to 0.2 |
Copper (Cu), % | 76 to 79 | |
0 |
Hafnium (Hf), % | 0 | |
0 to 4.5 |
Hydrogen (H), % | 0 | |
0 to 0.0050 |
Iron (Fe), % | 0 to 0.060 | |
0 to 0.2 |
Lead (Pb), % | 0 to 0.070 | |
0 |
Niobium (Nb), % | 0 | |
2.0 to 3.0 |
Nitrogen (N), % | 0 | |
0 to 0.025 |
Oxygen (O), % | 0 | |
0 to 0.16 |
Zinc (Zn), % | 17.8 to 22.2 | |
0 |
Zirconium (Zr), % | 0 | |
91 to 98 |
Residuals, % | 0 to 0.5 | |
0 |