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SAE-AISI A10 Steel vs. SAE-AISI A3 Steel

Both SAE-AISI A10 steel and SAE-AISI A3 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI A10 steel and the bottom bar is SAE-AISI A3 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 72
73
Tensile Strength: Ultimate (UTS), MPa 810 to 2040
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
37
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
6.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
4.4
Embodied Energy, MJ/kg 27
67
Embodied Water, L/kg 56
78

Common Calculations

PREN (Pitting Resistance) 5.1
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 73
25 to 77
Strength to Weight: Bending, points 25 to 46
23 to 48
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 27 to 68
23 to 70

Alloy Composition

Carbon (C), % 1.3 to 1.5
1.2 to 1.3
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 90.8 to 93.4
88.7 to 92
Manganese (Mn), % 1.6 to 2.1
0.4 to 0.6
Molybdenum (Mo), % 1.3 to 1.8
0.9 to 1.4
Nickel (Ni), % 1.6 to 2.1
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4

Comparable Variants