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SAE-AISI A8 Steel vs. EN 1.0471 Steel

Both SAE-AISI A8 steel and EN 1.0471 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 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 A8 steel and the bottom bar is EN 1.0471 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 74
73
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
580

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 73
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 68
20
Strength to Weight: Bending, points 22 to 44
20
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 22 to 62
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Carbon (C), % 0.5 to 0.6
0 to 0.22
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 88.5 to 91.9
97.4 to 98.8
Manganese (Mn), % 0 to 0.5
1.0 to 1.5
Molybdenum (Mo), % 1.2 to 1.7
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
0.015 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.75 to 1.1
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.0 to 1.5
0