ASTM A302 Alloy Steel vs. C38000 Brass
ASTM A302 alloy steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. 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 ASTM A302 alloy steel and the bottom bar is C38000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 20 to 23 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 370 to 390 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 110 |
| Melting Completion (Liquidus), °C | 1460 | |
| 800 |
| Melting Onset (Solidus), °C | 1420 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 39 to 51 | |
| 110 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 22 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 46 |
| Embodied Water, L/kg | 48 to 50 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 50 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 74 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 13 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 14 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 37 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 13 |