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SAE-AISI A3 Steel vs. S31060 Stainless Steel

Both SAE-AISI A3 steel and S31060 stainless steel are iron alloys. They have 71% 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 SAE-AISI A3 steel and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
680

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
3.4
Embodied Energy, MJ/kg 67
48
Embodied Water, L/kg 78
170

Common Calculations

PREN (Pitting Resistance) 8.9
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 77
24
Strength to Weight: Bending, points 23 to 48
22
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 23 to 70
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 1.2 to 1.3
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 4.8 to 5.5
22 to 24
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.7 to 92
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.4
0