ASTM A302 Alloy Steel vs. C66900 Brass
ASTM A302 alloy steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 20 to 23 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 45 |
| Shear Strength, MPa | 370 to 390 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 150 |
| Melting Completion (Liquidus), °C | 1460 | |
| 860 |
| Melting Onset (Solidus), °C | 1420 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 23 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 46 |
| Embodied Water, L/kg | 48 to 50 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 14 to 23 |