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SAE-AISI M2 Steel vs. EN 1.4587 Stainless Steel

Both SAE-AISI M2 steel and EN 1.4587 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 22 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 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
540

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 8.8
6.3
Embodied Energy, MJ/kg 130
87
Embodied Water, L/kg 98
230

Common Calculations

PREN (Pitting Resistance) 31
43
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25 to 71
18
Strength to Weight: Bending, points 22 to 44
18
Thermal Diffusivity, mm2/s 5.9
4.5
Thermal Shock Resistance, points 27 to 76
13

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24 to 26
Copper (Cu), % 0 to 0.25
2.0 to 3.0
Iron (Fe), % 78.5 to 83.4
32.7 to 41.9
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
28 to 30
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0