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SAE-AISI M52 Steel vs. S32803 Stainless Steel

Both SAE-AISI M52 steel and S32803 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 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 M52 steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
680

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 31
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 7.5
3.7
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 89
180

Common Calculations

PREN (Pitting Resistance) 20
36
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 80
25
Strength to Weight: Bending, points 22 to 49
22
Thermal Diffusivity, mm2/s 8.4
4.4
Thermal Shock Resistance, points 21 to 67
22

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.015
Chromium (Cr), % 3.5 to 4.3
28 to 29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 84.4 to 88.9
62.9 to 67.1
Manganese (Mn), % 0.15 to 0.45
0 to 0.5
Molybdenum (Mo), % 4.0 to 4.9
1.8 to 2.5
Nickel (Ni), % 0 to 0.3
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.6
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035
Tungsten (W), % 0.75 to 1.5
0
Vanadium (V), % 1.7 to 2.3
0