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SAE-AISI M52 Steel vs. S15500 Stainless Steel

Both SAE-AISI M52 steel and S15500 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M52 steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
890 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1470
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 31
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 110
39
Embodied Water, L/kg 89
130

Common Calculations

PREN (Pitting Resistance) 20
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 80
32 to 53
Strength to Weight: Bending, points 22 to 49
26 to 37
Thermal Diffusivity, mm2/s 8.4
4.6
Thermal Shock Resistance, points 21 to 67
30 to 50

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.070
Chromium (Cr), % 3.5 to 4.3
14 to 15.5
Copper (Cu), % 0 to 0.25
2.5 to 4.5
Iron (Fe), % 84.4 to 88.9
71.9 to 79.9
Manganese (Mn), % 0.15 to 0.45
0 to 1.0
Molybdenum (Mo), % 4.0 to 4.9
0
Nickel (Ni), % 0 to 0.3
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.75 to 1.5
0
Vanadium (V), % 1.7 to 2.3
0