AISI 431 Stainless Steel vs. C43400 Brass
AISI 431 stainless steel belongs to the iron alloys classification, while C43400 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is C43400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 15 to 17 | |
| 3.0 to 49 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 42 |
| Shear Strength, MPa | 550 to 840 | |
| 250 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1380 | |
| 310 to 690 |
| Tensile Strength: Yield (Proof), MPa | 710 to 1040 | |
| 110 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 170 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1020 |
| Melting Onset (Solidus), °C | 1450 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 26 | |
| 140 |
| Thermal Expansion, µm/m-K | 12 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.6 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 32 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 28 |
| Density, g/cm3 | 7.7 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 31 | |
| 44 |
| Embodied Water, L/kg | 120 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 2770 | |
| 57 to 1420 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 32 to 50 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 27 to 36 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 41 |
| Thermal Shock Resistance, points | 28 to 43 | |
| 11 to 24 |
Alloy Composition
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| Carbon (C), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 0 | |
| 84 to 87 |
| Iron (Fe), % | 78.2 to 83.8 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 1.3 to 2.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.4 to 1.0 |
| Zinc (Zn), % | 0 | |
| 11.4 to 15.6 |
| Residuals, % | 0 | |
| 0 to 0.5 |