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SAE-AISI A3 Steel vs. S32053 Stainless Steel

Both SAE-AISI A3 steel and S32053 stainless steel are iron alloys. They have 52% 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 A3 steel and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
730

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.4
6.1
Embodied Energy, MJ/kg 67
83
Embodied Water, L/kg 78
210

Common Calculations

PREN (Pitting Resistance) 8.9
44
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 77
25
Strength to Weight: Bending, points 23 to 48
22
Thermal Diffusivity, mm2/s 10
3.3
Thermal Shock Resistance, points 23 to 70
16

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
22 to 24
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.7 to 92
41.7 to 48.8
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
5.0 to 6.0
Nickel (Ni), % 0 to 0.3
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.8 to 1.4
0