SAE-AISI M7 Steel vs. SAE-AISI 1132 Steel
Both SAE-AISI M7 steel and SAE-AISI 1132 steel are iron alloys. They have 82% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI M7 steel and the bottom bar is SAE-AISI 1132 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 760 to 2210 | |
640 to 720 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
250 |
Melting Completion (Liquidus), °C | 1560 | |
1460 |
Melting Onset (Solidus), °C | 1510 | |
1420 |
Specific Heat Capacity, J/kg-K | 450 | |
470 |
Thermal Conductivity, W/m-K | 28 | |
51 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 18 | |
1.9 |
Density, g/cm3 | 8.1 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 8.9 | |
1.4 |
Embodied Energy, MJ/kg | 130 | |
19 |
Embodied Water, L/kg | 100 | |
48 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 26 to 76 | |
23 to 25 |
Strength to Weight: Bending, points | 23 to 47 | |
21 to 23 |
Thermal Diffusivity, mm2/s | 7.8 | |
14 |
Thermal Shock Resistance, points | 24 to 69 | |
19 to 22 |
Alloy Composition
Carbon (C), % | 1.0 to 1.1 | |
0.24 to 0.34 |
Chromium (Cr), % | 3.5 to 4.0 | |
0 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 79.8 to 83.8 | |
97.8 to 98.3 |
Manganese (Mn), % | 0.15 to 0.4 | |
1.4 to 1.7 |
Molybdenum (Mo), % | 8.2 to 9.2 | |
0 |
Nickel (Ni), % | 0 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.040 |
Silicon (Si), % | 0.2 to 0.55 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0.080 to 0.13 |
Tungsten (W), % | 1.4 to 2.1 | |
0 |
Vanadium (V), % | 1.8 to 2.3 | |
0 |