C37700 Brass vs. EN 1.4034 Stainless Steel
C37700 brass belongs to the copper alloys classification, while EN 1.4034 stainless steel belongs to the iron alloys. There are 29 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 C37700 brass and the bottom bar is EN 1.4034 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 40 | |
| 11 to 14 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 76 |
| Shear Strength, MPa | 270 | |
| 420 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 400 | |
| 690 to 900 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 390 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 770 |
| Melting Completion (Liquidus), °C | 890 | |
| 1440 |
| Melting Onset (Solidus), °C | 880 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 30 |
| Thermal Expansion, µm/m-K | 21 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 3.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 7.0 |
| Density, g/cm3 | 8.1 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.0 |
| Embodied Energy, MJ/kg | 45 | |
| 27 |
| Embodied Water, L/kg | 320 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 81 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 400 to 1370 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 14 | |
| 25 to 32 |
| Strength to Weight: Bending, points | 15 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 39 | |
| 8.1 |
| Thermal Shock Resistance, points | 13 | |
| 24 to 32 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.43 to 0.5 |
| Chromium (Cr), % | 0 | |
| 12.5 to 14.5 |
| Copper (Cu), % | 58 to 61 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 83 to 87.1 |
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 35.7 to 40.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |