SAE-AISI M50 Steel vs. SAE-AISI S5 Steel
Both SAE-AISI M50 steel and SAE-AISI S5 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is SAE-AISI S5 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 75 | |
72 |
Tensile Strength: Ultimate (UTS), MPa | 720 to 2250 | |
680 to 1940 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
280 |
Melting Completion (Liquidus), °C | 1480 | |
1440 |
Melting Onset (Solidus), °C | 1440 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 35 | |
42 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.7 | |
7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.0 | |
3.1 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 5.1 | |
2.1 |
Embodied Energy, MJ/kg | 74 | |
29 |
Embodied Water, L/kg | 83 | |
51 |
Common Calculations
PREN (Pitting Resistance) | 19 | |
2.9 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 26 to 80 | |
25 to 70 |
Strength to Weight: Bending, points | 23 to 49 | |
22 to 45 |
Thermal Diffusivity, mm2/s | 9.7 | |
11 |
Thermal Shock Resistance, points | 21 to 66 | |
23 to 65 |
Alloy Composition
Carbon (C), % | 0.78 to 0.88 | |
0.5 to 0.65 |
Chromium (Cr), % | 3.8 to 4.5 | |
0 to 0.5 |
Copper (Cu), % | 0 to 0.25 | |
0 to 0.25 |
Iron (Fe), % | 87 to 90.4 | |
93.6 to 97 |
Manganese (Mn), % | 0.15 to 0.45 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 3.9 to 4.8 | |
0.2 to 1.4 |
Nickel (Ni), % | 0 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.030 |
Silicon (Si), % | 0.2 to 0.6 | |
1.8 to 2.3 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Vanadium (V), % | 0.8 to 1.3 | |
0 to 0.35 |