SAE-AISI M7 Steel vs. C68000 Brass
SAE-AISI M7 steel belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 21 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 SAE-AISI M7 steel and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
100 |
Poisson's Ratio | 0.29 | |
0.3 |
Shear Modulus, GPa | 77 | |
40 |
Tensile Strength: Ultimate (UTS), MPa | 760 to 2210 | |
390 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
170 |
Melting Completion (Liquidus), °C | 1560 | |
880 |
Melting Onset (Solidus), °C | 1510 | |
870 |
Specific Heat Capacity, J/kg-K | 450 | |
390 |
Thermal Conductivity, W/m-K | 28 | |
96 |
Thermal Expansion, µm/m-K | 12 | |
21 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 18 | |
23 |
Density, g/cm3 | 8.1 | |
8.0 |
Embodied Carbon, kg CO2/kg material | 8.9 | |
2.8 |
Embodied Energy, MJ/kg | 130 | |
48 |
Embodied Water, L/kg | 100 | |
330 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
7.3 |
Stiffness to Weight: Bending, points | 24 | |
20 |
Strength to Weight: Axial, points | 26 to 76 | |
14 |
Strength to Weight: Bending, points | 23 to 47 | |
15 |
Thermal Diffusivity, mm2/s | 7.8 | |
31 |
Thermal Shock Resistance, points | 24 to 69 | |
13 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.010 |
Carbon (C), % | 1.0 to 1.1 | |
0 |
Chromium (Cr), % | 3.5 to 4.0 | |
0 |
Copper (Cu), % | 0 to 0.25 | |
56 to 60 |
Iron (Fe), % | 79.8 to 83.8 | |
0.25 to 1.3 |
Lead (Pb), % | 0 | |
0 to 0.050 |
Manganese (Mn), % | 0.15 to 0.4 | |
0.010 to 0.5 |
Molybdenum (Mo), % | 8.2 to 9.2 | |
0 |
Nickel (Ni), % | 0 to 0.3 | |
0.2 to 0.8 |
Phosphorus (P), % | 0 to 0.030 | |
0 |
Silicon (Si), % | 0.2 to 0.55 | |
0.040 to 0.15 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Tin (Sn), % | 0 | |
0.75 to 1.1 |
Tungsten (W), % | 1.4 to 2.1 | |
0 |
Vanadium (V), % | 1.8 to 2.3 | |
0 |
Zinc (Zn), % | 0 | |
35.6 to 42.8 |
Residuals, % | 0 | |
0 to 0.5 |