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SAE-AISI M52 Steel vs. S21603 Stainless Steel

Both SAE-AISI M52 steel and S21603 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M52 steel and the bottom bar is S21603 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
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
690

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1510
1420
Melting Onset (Solidus), °C 1470
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 7.5
3.6
Embodied Energy, MJ/kg 110
50
Embodied Water, L/kg 89
160

Common Calculations

PREN (Pitting Resistance) 20
34
Stiffness to Weight: Axial, points 14
14
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 Shock Resistance, points 21 to 67
15

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.030
Chromium (Cr), % 3.5 to 4.3
17.5 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 84.4 to 88.9
57.6 to 67.8
Manganese (Mn), % 0.15 to 0.45
7.5 to 9.0
Molybdenum (Mo), % 4.0 to 4.9
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.6
0 to 0.75
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