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S32615 Stainless Steel vs. SAE-AISI A2 Steel

Both S32615 stainless steel and SAE-AISI A2 steel are iron alloys. They have 59% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S32615 stainless steel and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 620
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 63
38
Embodied Water, L/kg 170
73

Common Calculations

PREN (Pitting Resistance) 21
8.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
25 to 73
Strength to Weight: Bending, points 21
23 to 46
Thermal Shock Resistance, points 15
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.070
1.0 to 1.1
Chromium (Cr), % 16.5 to 19.5
4.8 to 5.5
Copper (Cu), % 1.5 to 2.5
0 to 0.25
Iron (Fe), % 46.4 to 57.9
89.4 to 93.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 1.5
0.9 to 1.4
Nickel (Ni), % 19 to 22
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 4.8 to 6.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.15 to 0.5