C99750 Brass vs. ASTM A209 Steel
C99750 brass belongs to the copper alloys classification, while ASTM A209 steel belongs to the iron alloys. There are 28 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 C99750 brass and the bottom bar is ASTM A209 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 120 | |
| 140 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 190 |
| Elongation at Break, % | 20 to 30 | |
| 34 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Rockwell B Hardness | 77 to 82 | |
| 77 to 81 |
| Shear Modulus, GPa | 48 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 420 to 460 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 220 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 410 |
| Melting Completion (Liquidus), °C | 840 | |
| 1470 |
| Melting Onset (Solidus), °C | 820 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 470 |
| Thermal Expansion, µm/m-K | 20 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 8.1 to 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 2.4 |
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 1.5 |
| Embodied Energy, MJ/kg | 51 | |
| 20 |
| Embodied Water, L/kg | 310 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 130 to 170 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 15 to 16 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 16 to 17 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 12 to 14 |