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SAE-AISI M2 Steel vs. EN 1.0644 Steel

Both SAE-AISI M2 steel and EN 1.0644 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 M2 steel and the bottom bar is EN 1.0644 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 2150
690

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
47
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.4
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.8
Embodied Energy, MJ/kg 130
24
Embodied Water, L/kg 98
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25 to 71
24
Strength to Weight: Bending, points 22 to 44
22
Thermal Diffusivity, mm2/s 5.9
13
Thermal Shock Resistance, points 27 to 76
22

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.050
Carbon (C), % 0.78 to 1.1
0.16 to 0.22
Chromium (Cr), % 3.8 to 4.5
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 78.5 to 83.4
96.1 to 98.4
Manganese (Mn), % 0.15 to 0.4
1.3 to 1.7
Molybdenum (Mo), % 4.5 to 5.5
0 to 0.080
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0.080 to 0.15