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SAE-AISI H23 Steel vs. SAE-AISI H22 Steel

Both SAE-AISI H23 steel and SAE-AISI H22 steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1680
1670
Melting Onset (Solidus), °C 1630
1620
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 20
31
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 6.9
4.9
Embodied Energy, MJ/kg 110
73
Embodied Water, L/kg 120
72

Common Calculations

PREN (Pitting Resistance) 32
21
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 24 to 49
22 to 61
Strength to Weight: Bending, points 21 to 34
20 to 39
Thermal Diffusivity, mm2/s 5.2
8.2
Thermal Shock Resistance, points 23 to 47
22 to 60

Alloy Composition

Carbon (C), % 0.25 to 0.35
0.3 to 0.4
Chromium (Cr), % 11 to 12.8
1.8 to 3.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 71.3 to 76.7
82.2 to 87.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.6
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
10 to 11.8
Vanadium (V), % 0.75 to 1.3
0.25 to 0.5

Comparable Variants