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SAE-AISI A8 Steel vs. K93603 Alloy

Both SAE-AISI A8 steel and K93603 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 (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.3
4.8
Embodied Energy, MJ/kg 31
66
Embodied Water, L/kg 73
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 68
17 to 27
Strength to Weight: Bending, points 22 to 44
17 to 24
Thermal Shock Resistance, points 22 to 62
15 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.5 to 0.6
0 to 0.050
Chromium (Cr), % 4.8 to 5.5
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.5 to 91.9
61.8 to 64
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.6
Molybdenum (Mo), % 1.2 to 1.7
0
Nickel (Ni), % 0 to 0.3
36
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.75 to 1.1
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 1.0 to 1.5
0
Zirconium (Zr), % 0
0 to 0.1

Comparable Variants