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SAE-AISI T8 Steel vs. EN 1.6220 Steel

Both SAE-AISI T8 steel and EN 1.6220 steel are iron alloys. They have 73% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T8 steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
550 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1730
1460
Melting Onset (Solidus), °C 1670
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 18
52
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.1
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 120
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
19 to 20
Strength to Weight: Bending, points 21 to 41
19 to 20
Thermal Diffusivity, mm2/s 4.8
14
Thermal Shock Resistance, points 24 to 66
16 to 17

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.17 to 0.23
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
96.7 to 98.8
Manganese (Mn), % 0.2 to 0.4
1.0 to 1.6
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0