EN 1.7725 Steel vs. SAE-AISI M1 Steel
Both EN 1.7725 steel and SAE-AISI M1 steel are iron alloys. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.7725 steel and the bottom bar is SAE-AISI M1 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 830 to 1000 | |
730 to 2140 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
270 |
Melting Completion (Liquidus), °C | 1460 | |
1560 |
Melting Onset (Solidus), °C | 1420 | |
1510 |
Specific Heat Capacity, J/kg-K | 470 | |
450 |
Thermal Conductivity, W/m-K | 39 | |
29 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.9 | |
18 |
Density, g/cm3 | 7.8 | |
8.1 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
7.0 |
Embodied Energy, MJ/kg | 24 | |
99 |
Embodied Water, L/kg | 54 | |
98 |
Common Calculations
PREN (Pitting Resistance) | 2.8 | |
35 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 29 to 35 | |
25 to 73 |
Strength to Weight: Bending, points | 25 to 28 | |
22 to 45 |
Thermal Diffusivity, mm2/s | 11 | |
8.0 |
Thermal Shock Resistance, points | 24 to 29 | |
23 to 66 |
Alloy Composition
Carbon (C), % | 0.27 to 0.34 | |
0.78 to 0.88 |
Chromium (Cr), % | 1.3 to 1.7 | |
3.5 to 4.0 |
Copper (Cu), % | 0 | |
0 to 0.25 |
Iron (Fe), % | 95.7 to 97.5 | |
81 to 84.8 |
Manganese (Mn), % | 0.6 to 1.0 | |
0.15 to 0.4 |
Molybdenum (Mo), % | 0.3 to 0.5 | |
8.2 to 9.2 |
Nickel (Ni), % | 0 | |
0 to 0.3 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.030 |
Silicon (Si), % | 0 to 0.6 | |
0.2 to 0.5 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Tungsten (W), % | 0 | |
1.4 to 2.1 |
Vanadium (V), % | 0.050 to 0.15 | |
1.0 to 1.4 |