ASTM A372 Grade M Steel vs. C68100 Brass
ASTM A372 grade M steel belongs to the iron alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM A372 grade M steel and the bottom bar is C68100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 18 to 21 | |
| 29 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 810 to 910 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 660 to 770 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 450 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 890 |
| Melting Onset (Solidus), °C | 1420 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 46 | |
| 98 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.1 | |
| 27 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 5.0 | |
| 23 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 2.8 |
| Embodied Energy, MJ/kg | 27 | |
| 47 |
| Embodied Water, L/kg | 61 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1580 | |
| 94 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 29 to 32 | |
| 13 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 15 |
| Thermal Diffusivity, mm2/s | 12 | |
| 32 |
| Thermal Shock Resistance, points | 24 to 27 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Carbon (C), % | 0 to 0.23 | |
| 0 |
| Chromium (Cr), % | 1.5 to 2.0 | |
| 0 |
| Copper (Cu), % | 0 | |
| 56 to 60 |
| Iron (Fe), % | 92.5 to 95.1 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.2 to 0.4 | |
| 0.010 to 0.5 |
| Molybdenum (Mo), % | 0.4 to 0.6 | |
| 0 |
| Nickel (Ni), % | 2.8 to 3.9 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0.040 to 0.15 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.75 to 1.1 |
| Vanadium (V), % | 0 to 0.080 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 36.4 to 43 |
| Residuals, % | 0 | |
| 0 to 0.5 |