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SAE-AISI T8 Steel vs. AWS E385

Both SAE-AISI T8 steel and AWS E385 are iron alloys. They have 52% of their average alloy composition in common. There are 22 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 T8 steel and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1730
1440
Melting Onset (Solidus), °C 1670
1390
Specific Heat Capacity, J/kg-K 420
460
Thermal Conductivity, W/m-K 18
14
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 45
31
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 10
5.8
Embodied Energy, MJ/kg 160
79
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 30
36
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
20
Strength to Weight: Bending, points 21 to 41
19
Thermal Diffusivity, mm2/s 4.8
3.6
Thermal Shock Resistance, points 24 to 66
15

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
19.5 to 21.5
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 69.3 to 75.4
41.8 to 50.1
Manganese (Mn), % 0.2 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 0.4 to 1.0
4.2 to 5.2
Nickel (Ni), % 0 to 0.3
24 to 26
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0