C37100 Brass vs. ASTM A372 Grade M Steel
C37100 brass belongs to the copper alloys classification, while ASTM A372 grade M 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 C37100 brass and the bottom bar is ASTM A372 grade M steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 8.0 to 40 | |
| 18 to 21 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 260 to 300 | |
| 510 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 520 | |
| 810 to 910 |
| Tensile Strength: Yield (Proof), MPa | 150 to 390 | |
| 660 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 450 |
| Melting Completion (Liquidus), °C | 900 | |
| 1460 |
| Melting Onset (Solidus), °C | 890 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 120 | |
| 46 |
| Thermal Expansion, µm/m-K | 21 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 5.0 |
| Density, g/cm3 | 8.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.0 |
| Embodied Energy, MJ/kg | 45 | |
| 27 |
| Embodied Water, L/kg | 320 | |
| 61 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 120 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 750 | |
| 1140 to 1580 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 18 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 14 to 18 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 39 | |
| 12 |
| Thermal Shock Resistance, points | 12 to 17 | |
| 24 to 27 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.23 |
| Chromium (Cr), % | 0 | |
| 1.5 to 2.0 |
| Copper (Cu), % | 58 to 62 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 92.5 to 95.1 |
| Lead (Pb), % | 0.6 to 1.2 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 0.4 to 0.6 |
| Nickel (Ni), % | 0 | |
| 2.8 to 3.9 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0 to 0.080 |
| Zinc (Zn), % | 36.3 to 41.4 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |