ACI-ASTM CA15M Steel vs. C68800 Brass
ACI-ASTM CA15M steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 20 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 510 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 160 |
| Melting Completion (Liquidus), °C | 1450 | |
| 960 |
| Melting Onset (Solidus), °C | 1410 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Conductivity, W/m-K | 27 | |
| 40 |
| Thermal Expansion, µm/m-K | 10 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 26 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 2.8 |
| Embodied Energy, MJ/kg | 29 | |
| 48 |
| Embodied Water, L/kg | 100 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 670 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 25 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 22 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 7.2 | |
| 12 |
| Thermal Shock Resistance, points | 25 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 3.8 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 11.5 to 14 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 0 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 82.1 to 88.4 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.65 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.3 to 24.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |