C43400 Brass vs. ASTM A232 Spring Steel
C43400 brass belongs to the copper alloys classification, while ASTM A232 spring steel belongs to the iron alloys. There are 28 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 C43400 brass and the bottom bar is ASTM A232 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 3.0 to 49 | |
| 14 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 73 |
| Shear Strength, MPa | 250 to 390 | |
| 1090 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 690 | |
| 1790 |
| Tensile Strength: Yield (Proof), MPa | 110 to 560 | |
| 1610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 420 |
| Melting Completion (Liquidus), °C | 1020 | |
| 1460 |
| Melting Onset (Solidus), °C | 990 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 140 | |
| 52 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 32 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 2.3 |
| Density, g/cm3 | 8.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.0 |
| Embodied Energy, MJ/kg | 44 | |
| 28 |
| Embodied Water, L/kg | 320 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 120 | |
| 250 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 64 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 42 |
| Thermal Diffusivity, mm2/s | 41 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 24 | |
| 53 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.48 to 0.53 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.1 |
| Copper (Cu), % | 84 to 87 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 96.8 to 97.7 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.7 to 0.9 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Tin (Sn), % | 0.4 to 1.0 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 11.4 to 15.6 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |