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SAE-AISI M2 Steel vs. EN 1.0308 Steel

Both SAE-AISI M2 steel and EN 1.0308 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 (11, 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 1.0308 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
360 to 440

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
51
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.4
Embodied Energy, MJ/kg 130
18
Embodied Water, L/kg 98
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25 to 71
13 to 16
Strength to Weight: Bending, points 22 to 44
14 to 16
Thermal Diffusivity, mm2/s 5.9
14
Thermal Shock Resistance, points 27 to 76
11 to 14

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.17
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78.5 to 83.4
98.2 to 100
Manganese (Mn), % 0.15 to 0.4
0 to 1.2
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.45
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.045
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants