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SAE-AISI M52 Steel vs. EN 1.4640 Stainless Steel

Both SAE-AISI M52 steel and EN 1.4640 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M52 steel and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
620 to 650

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1510
1420
Melting Onset (Solidus), °C 1470
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 31
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 89
150

Common Calculations

PREN (Pitting Resistance) 20
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 80
22 to 23
Strength to Weight: Bending, points 22 to 49
21
Thermal Diffusivity, mm2/s 8.4
4.0
Thermal Shock Resistance, points 21 to 67
14 to 15

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.030 to 0.080
Chromium (Cr), % 3.5 to 4.3
18 to 19
Copper (Cu), % 0 to 0.25
1.3 to 2.0
Iron (Fe), % 84.4 to 88.9
67.4 to 73.6
Manganese (Mn), % 0.15 to 0.45
1.5 to 4.0
Molybdenum (Mo), % 4.0 to 4.9
0
Nickel (Ni), % 0 to 0.3
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.75 to 1.5
0
Vanadium (V), % 1.7 to 2.3
0