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SAE-AISI M3 Class 2 Steel vs. EN 1.4565 Stainless Steel

Both SAE-AISI M3 class 2 steel and EN 1.4565 stainless steel are iron alloys. They have 55% 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 M3 class 2 steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
880

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1620
1420
Melting Onset (Solidus), °C 1570
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 12
5.4
Embodied Energy, MJ/kg 180
74
Embodied Water, L/kg 110
210

Common Calculations

PREN (Pitting Resistance) 33
47
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 74
31
Strength to Weight: Bending, points 22 to 45
26
Thermal Diffusivity, mm2/s 7.2
3.2
Thermal Shock Resistance, points 24 to 69
21

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
41.2 to 50.7
Manganese (Mn), % 0.15 to 0.4
5.0 to 7.0
Molybdenum (Mo), % 4.8 to 6.5
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0