SAE-AISI M6 Steel vs. SAE-AISI H22 Steel
Both SAE-AISI M6 steel and SAE-AISI H22 steel are iron alloys. They have 80% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI M6 steel and the bottom bar is SAE-AISI H22 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 77 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 840 to 2210 | |
700 to 1920 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
250 |
Melting Completion (Liquidus), °C | 1560 | |
1670 |
Melting Onset (Solidus), °C | 1510 | |
1620 |
Specific Heat Capacity, J/kg-K | 440 | |
440 |
Thermal Conductivity, W/m-K | 17 | |
31 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 39 | |
28 |
Density, g/cm3 | 8.4 | |
8.7 |
Embodied Carbon, kg CO2/kg material | 8.0 | |
4.9 |
Embodied Energy, MJ/kg | 120 | |
73 |
Embodied Water, L/kg | 160 | |
72 |
Common Calculations
PREN (Pitting Resistance) | 28 | |
21 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
22 |
Strength to Weight: Axial, points | 28 to 73 | |
22 to 61 |
Strength to Weight: Bending, points | 24 to 45 | |
20 to 39 |
Thermal Diffusivity, mm2/s | 4.7 | |
8.2 |
Thermal Shock Resistance, points | 26 to 68 | |
22 to 60 |
Alloy Composition
Carbon (C), % | 0.75 to 0.85 | |
0.3 to 0.4 |
Chromium (Cr), % | 3.8 to 4.5 | |
1.8 to 3.8 |
Cobalt (Co), % | 11 to 13 | |
0 |
Copper (Cu), % | 0 | |
0 to 0.25 |
Iron (Fe), % | 68.8 to 74.6 | |
82.2 to 87.4 |
Manganese (Mn), % | 0.15 to 0.4 | |
0.15 to 0.4 |
Molybdenum (Mo), % | 4.5 to 5.5 | |
0 |
Nickel (Ni), % | 0 | |
0 to 0.3 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.030 |
Silicon (Si), % | 0.2 to 0.45 | |
0.15 to 0.4 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Tungsten (W), % | 3.8 to 4.8 | |
10 to 11.8 |
Vanadium (V), % | 1.3 to 1.7 | |
0.25 to 0.5 |