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K93500 Alloy vs. SAE-AISI H21 Steel

Both K93500 alloy and SAE-AISI H21 steel are iron alloys. They have 63% 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 K93500 alloy and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 490 to 810
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1630
Melting Onset (Solidus), °C 1380
1580
Specific Heat Capacity, J/kg-K 460
440
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 4.7
4.5
Embodied Energy, MJ/kg 65
68
Embodied Water, L/kg 130
72

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 27
23 to 58
Strength to Weight: Bending, points 17 to 23
21 to 38
Thermal Shock Resistance, points 15 to 25
24 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.050
0.28 to 0.36
Chromium (Cr), % 0 to 0.25
3.0 to 3.8
Cobalt (Co), % 5.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.4 to 63
87.6 to 93.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0.15 to 0.4
Nickel (Ni), % 32
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.25
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6
Zirconium (Zr), % 0 to 0.1
0

Comparable Variants