ASTM A387 Grade 9 Steel vs. C83400 Brass
ASTM A387 grade 9 steel belongs to the iron alloys classification, while C83400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 9 steel and the bottom bar is C83400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 20 to 21 | |
| 30 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 240 |
| Tensile Strength: Yield (Proof), MPa | 230 to 350 | |
| 69 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 600 | |
| 180 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1040 |
| Melting Onset (Solidus), °C | 1410 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 26 | |
| 190 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 46 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 29 |
| Density, g/cm3 | 7.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 2.7 |
| Embodied Energy, MJ/kg | 28 | |
| 43 |
| Embodied Water, L/kg | 87 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 110 | |
| 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 310 | |
| 21 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 7.7 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 9.9 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 57 |
| Thermal Shock Resistance, points | 14 to 17 | |
| 8.4 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 8.0 to 10 | |
| 0 |
| Copper (Cu), % | 0 | |
| 88 to 92 |
| Iron (Fe), % | 87.1 to 90.8 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Vanadium (V), % | 0 to 0.040 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 8.0 to 12 |
| Residuals, % | 0 | |
| 0 to 0.7 |