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SAE-AISI A3 Steel vs. EN 1.3520 Steel

Both SAE-AISI A3 steel and EN 1.3520 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 (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is EN 1.3520 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 700 to 2150
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 67
20
Embodied Water, L/kg 78
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 77
22 to 26
Strength to Weight: Bending, points 23 to 48
21 to 23
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 23 to 70
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 1.2 to 1.3
0.93 to 1.1
Chromium (Cr), % 4.8 to 5.5
1.4 to 1.7
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 88.7 to 92
95.9 to 97.2
Manganese (Mn), % 0.4 to 0.6
1.0 to 1.2
Molybdenum (Mo), % 0.9 to 1.4
0 to 0.1
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.4
0