AISI 420 Stainless Steel vs. C69300 Brass
AISI 420 stainless steel belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 30 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 AISI 420 stainless steel and the bottom bar is C69300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 8.0 to 15 | |
| 8.5 to 15 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Rockwell B Hardness | 84 | |
| 84 to 88 |
| Shear Modulus, GPa | 76 | |
| 41 |
| Shear Strength, MPa | 420 to 1010 | |
| 330 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 1720 | |
| 550 to 630 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1310 | |
| 300 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 620 | |
| 160 |
| Melting Completion (Liquidus), °C | 1510 | |
| 880 |
| Melting Onset (Solidus), °C | 1450 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Conductivity, W/m-K | 27 | |
| 38 |
| Thermal Expansion, µm/m-K | 10 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 26 |
| Density, g/cm3 | 7.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 28 | |
| 45 |
| Embodied Water, L/kg | 100 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 130 | |
| 47 to 70 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 4410 | |
| 400 to 700 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 25 to 62 | |
| 19 to 21 |
| Strength to Weight: Bending, points | 22 to 41 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 7.3 | |
| 12 |
| Thermal Shock Resistance, points | 25 to 62 | |
| 19 to 22 |
Alloy Composition
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| Carbon (C), % | 0.15 to 0.4 | |
| 0 |
| Chromium (Cr), % | 12 to 14 | |
| 0 |
| Copper (Cu), % | 0 | |
| 73 to 77 |
| Iron (Fe), % | 82.3 to 87.9 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.75 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0.040 to 0.15 |
| Silicon (Si), % | 0 to 1.0 | |
| 2.7 to 3.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 18.4 to 24.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |