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K93500 Alloy vs. Austempered Cast Iron

Both K93500 alloy and austempered cast iron 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 (7, in this case) are not shown.

For each property being compared, the top bar is K93500 alloy and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
62 to 69
Tensile Strength: Ultimate (UTS), MPa 490 to 810
860 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.9
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 4.7
1.8
Embodied Energy, MJ/kg 65
25
Embodied Water, L/kg 130
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 27
32 to 66
Strength to Weight: Bending, points 17 to 23
27 to 44
Thermal Shock Resistance, points 15 to 25
25 to 53

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.050
3.4 to 3.8
Chromium (Cr), % 0 to 0.25
0 to 0.1
Cobalt (Co), % 5.0
0
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 61.4 to 63
89.6 to 94
Magnesium (Mg), % 0 to 0.1
0 to 0.040
Manganese (Mn), % 0 to 0.6
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 32
0 to 2.0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
2.3 to 2.7
Sulfur (S), % 0 to 0.015
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.1
0