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SAE-AISI M3 Class 2 Steel vs. EN 1.4468 Stainless Steel

Both SAE-AISI M3 class 2 steel and EN 1.4468 stainless steel are iron alloys. They have 71% 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 M3 class 2 steel and the bottom bar is EN 1.4468 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
80
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
730

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 12
3.8
Embodied Energy, MJ/kg 180
53
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 33
38
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 74
26
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 7.2
4.6
Thermal Shock Resistance, points 24 to 69
20

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24.5 to 26.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
59.7 to 67.4
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.8 to 6.5
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
5.5 to 7.0
Nitrogen (N), % 0
0.12 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), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0