C68800 Brass vs. AISI 347 Stainless Steel
C68800 brass belongs to the copper alloys classification, while AISI 347 stainless steel belongs to the iron 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 C68800 brass and the bottom bar is AISI 347 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 2.0 to 36 | |
| 34 to 46 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 77 |
| Shear Strength, MPa | 380 to 510 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 240 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 870 |
| Melting Completion (Liquidus), °C | 960 | |
| 1430 |
| Melting Onset (Solidus), °C | 950 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 16 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 19 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.6 |
| Embodied Energy, MJ/kg | 48 | |
| 52 |
| Embodied Water, L/kg | 350 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 190 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 150 to 310 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 4.3 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 13 to 15 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 64.1 to 74 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 9.0 to 13 |
| Niobium (Nb), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |