C69700 Brass vs. C68800 Brass
Both C69700 brass and C68800 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C69700 brass and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
110 |
Elongation at Break, % | 25 | |
2.0 to 36 |
Poisson's Ratio | 0.32 | |
0.32 |
Shear Modulus, GPa | 41 | |
41 |
Shear Strength, MPa | 300 | |
380 to 510 |
Tensile Strength: Ultimate (UTS), MPa | 470 | |
570 to 890 |
Tensile Strength: Yield (Proof), MPa | 230 | |
390 to 790 |
Thermal Properties
Latent Heat of Fusion, J/g | 240 | |
190 |
Maximum Temperature: Mechanical, °C | 160 | |
160 |
Melting Completion (Liquidus), °C | 930 | |
960 |
Melting Onset (Solidus), °C | 880 | |
950 |
Specific Heat Capacity, J/kg-K | 400 | |
400 |
Thermal Conductivity, W/m-K | 43 | |
40 |
Thermal Expansion, µm/m-K | 19 | |
19 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 26 | |
26 |
Density, g/cm3 | 8.3 | |
8.2 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
2.8 |
Embodied Energy, MJ/kg | 44 | |
48 |
Embodied Water, L/kg | 310 | |
350 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
16 to 180 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
710 to 2860 |
Stiffness to Weight: Axial, points | 7.3 | |
7.3 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 16 | |
19 to 30 |
Strength to Weight: Bending, points | 16 | |
19 to 25 |
Thermal Diffusivity, mm2/s | 13 | |
12 |
Thermal Shock Resistance, points | 16 | |
19 to 30 |
Alloy Composition
Aluminum (Al), % | 0 | |
3.0 to 3.8 |
Cobalt (Co), % | 0 | |
0.25 to 0.55 |
Copper (Cu), % | 75 to 80 | |
70.8 to 75.5 |
Iron (Fe), % | 0 to 0.2 | |
0 to 0.2 |
Lead (Pb), % | 0.5 to 1.5 | |
0 to 0.050 |
Manganese (Mn), % | 0 to 0.4 | |
0 |
Silicon (Si), % | 2.5 to 3.5 | |
0 |
Zinc (Zn), % | 13.9 to 22 | |
21.3 to 24.1 |
Residuals, % | 0 | |
0 to 0.5 |