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SAE-AISI T8 Steel vs. K93050 Alloy

Both SAE-AISI T8 steel and K93050 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 19 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 K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1730
1430
Melting Onset (Solidus), °C 1670
1380
Specific Heat Capacity, J/kg-K 420
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
26
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 10
4.7
Embodied Energy, MJ/kg 160
65
Embodied Water, L/kg 120
120

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24 to 66
17 to 23
Strength to Weight: Bending, points 21 to 41
17 to 21
Thermal Shock Resistance, points 24 to 66
16 to 21

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
0 to 0.25
Cobalt (Co), % 4.3 to 5.8
0 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
61.4 to 63.9
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
36
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0.2 to 0.4
0 to 0.35
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

Comparable Variants