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SAE-AISI M2 Steel vs. EN 1.4662 Stainless Steel

Both SAE-AISI M2 steel and EN 1.4662 stainless steel are iron alloys. They have 73% 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 SAE-AISI M2 steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
810 to 830

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1570
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.2
Embodied Energy, MJ/kg 130
45
Embodied Water, L/kg 98
170

Common Calculations

PREN (Pitting Resistance) 31
33
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25 to 71
29 to 30
Strength to Weight: Bending, points 22 to 44
25
Thermal Diffusivity, mm2/s 5.9
3.9
Thermal Shock Resistance, points 27 to 76
22

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
23 to 25
Copper (Cu), % 0 to 0.25
0.1 to 0.8
Iron (Fe), % 78.5 to 83.4
62.6 to 70.2
Manganese (Mn), % 0.15 to 0.4
2.5 to 4.0
Molybdenum (Mo), % 4.5 to 5.5
1.0 to 2.0
Nickel (Ni), % 0 to 0.3
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0