SAE-AISI M30 Steel vs. C66900 Brass
SAE-AISI M30 steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI M30 steel and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 800 to 2170 | |
| 460 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 190 |
| Melting Completion (Liquidus), °C | 1550 | |
| 860 |
| Melting Onset (Solidus), °C | 1500 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 400 |
| Thermal Expansion, µm/m-K | 12 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 23 |
| Density, g/cm3 | 8.2 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 7.2 | |
| 2.8 |
| Embodied Energy, MJ/kg | 100 | |
| 46 |
| Embodied Water, L/kg | 120 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 27 to 74 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 24 to 46 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 25 to 67 | |
| 14 to 23 |
Alloy Composition
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| Carbon (C), % | 0.75 to 0.85 | |
| 0 |
| Chromium (Cr), % | 3.5 to 4.3 | |
| 0 |
| Cobalt (Co), % | 4.5 to 5.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 75.2 to 80.9 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 11.5 to 12.5 |
| Molybdenum (Mo), % | 7.8 to 9.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.45 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 1.3 to 2.3 | |
| 0 |
| Vanadium (V), % | 1.0 to 1.4 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 22.5 to 26 |
| Residuals, % | 0 | |
| 0 to 0.2 |