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S32654 Stainless Steel vs. SAE-AISI A2 Steel

Both S32654 stainless steel and SAE-AISI A2 steel are iron alloys. They have 49% 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 S32654 stainless steel and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
74
Tensile Strength: Ultimate (UTS), MPa 850
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
38
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
5.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.7
Embodied Energy, MJ/kg 87
38
Embodied Water, L/kg 220
73

Common Calculations

PREN (Pitting Resistance) 57
8.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25 to 73
Strength to Weight: Bending, points 25
23 to 46
Thermal Diffusivity, mm2/s 2.9
10
Thermal Shock Resistance, points 19
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.020
1.0 to 1.1
Chromium (Cr), % 24 to 25
4.8 to 5.5
Copper (Cu), % 0.3 to 0.6
0 to 0.25
Iron (Fe), % 38.3 to 45.3
89.4 to 93.3
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 7.0 to 8.0
0.9 to 1.4
Nickel (Ni), % 21 to 23
0 to 0.3
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.030
Vanadium (V), % 0
0.15 to 0.5