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SAE-AISI 5140 Steel vs. SAE-AISI A10 Steel

Both SAE-AISI 5140 steel and SAE-AISI A10 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5140 steel and the bottom bar is SAE-AISI A10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 560 to 970
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
5.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 49
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 34
29 to 73
Strength to Weight: Bending, points 19 to 28
25 to 46
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 16 to 29
27 to 68

Alloy Composition

Carbon (C), % 0.38 to 0.43
1.3 to 1.5
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.3 to 98.1
90.8 to 93.4
Manganese (Mn), % 0.7 to 0.9
1.6 to 2.1
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
1.0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030

Comparable Variants