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SAE-AISI M52 Steel vs. S64512 Stainless Steel

Both SAE-AISI M52 steel and S64512 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 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 M52 steel and the bottom bar is S64512 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
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
1140

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 31
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
3.3
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 89
110

Common Calculations

PREN (Pitting Resistance) 20
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 80
40
Strength to Weight: Bending, points 22 to 49
31
Thermal Diffusivity, mm2/s 8.4
7.5
Thermal Shock Resistance, points 21 to 67
42

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.080 to 0.15
Chromium (Cr), % 3.5 to 4.3
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 84.4 to 88.9
80.6 to 84.7
Manganese (Mn), % 0.15 to 0.45
0.5 to 0.9
Molybdenum (Mo), % 4.0 to 4.9
1.5 to 2.0
Nickel (Ni), % 0 to 0.3
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.75 to 1.5
0
Vanadium (V), % 1.7 to 2.3
0.25 to 0.4