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SAE-AISI M3 Class 2 Steel vs. EN 1.3542 Stainless Steel

Both SAE-AISI M3 class 2 steel and EN 1.3542 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (5, 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 1.3542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
720

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 26
29
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 12
2.0
Embodied Energy, MJ/kg 180
29
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 33
15
Stiffness to Weight: Axial, points 13
14
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
7.9
Thermal Shock Resistance, points 24 to 69
26

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.6 to 0.7
Chromium (Cr), % 3.8 to 4.5
12.5 to 14.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
82.7 to 87.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.8 to 6.5
0 to 0.75
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0