C68400 Brass vs. Type 2 Pewter
C68400 brass belongs to the copper alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 20 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 C68400 brass and the bottom bar is Type 2 pewter.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 13 to 23 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 52 |
| Poisson's Ratio | 0.31 | |
| 0.35 |
| Shear Modulus, GPa | 41 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 52 to 68 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 69 |
| Melting Completion (Liquidus), °C | 840 | |
| 300 |
| Melting Onset (Solidus), °C | 820 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 220 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 75 |
| Density, g/cm3 | 7.9 | |
| 7.3 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 12 |
| Embodied Energy, MJ/kg | 47 | |
| 210 |
| Embodied Water, L/kg | 320 | |
| 1220 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 3.9 |
| Stiffness to Weight: Bending, points | 20 | |
| 17 |
| Strength to Weight: Axial, points | 19 | |
| 2.0 to 2.6 |
| Strength to Weight: Bending, points | 19 | |
| 4.3 to 5.1 |
| Thermal Shock Resistance, points | 18 | |
| 3.4 to 4.4 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Antimony (Sb), % | 0 | |
| 5.0 to 7.5 |
| Arsenic (As), % | 0 | |
| 0 to 0.050 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Copper (Cu), % | 59 to 64 | |
| 1.5 to 3.0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.015 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 90 to 93 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.5 | |
| 0 |