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SAE-AISI H22 Steel vs. SAE-AISI A3 Steel

Both SAE-AISI H22 steel and SAE-AISI A3 steel are iron alloys. They have 89% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is SAE-AISI A3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 31
37
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
6.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 4.9
4.4
Embodied Energy, MJ/kg 73
67
Embodied Water, L/kg 72
78

Common Calculations

PREN (Pitting Resistance) 21
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
25 to 77
Strength to Weight: Bending, points 20 to 39
23 to 48
Thermal Diffusivity, mm2/s 8.2
10
Thermal Shock Resistance, points 22 to 60
23 to 70

Alloy Composition

Carbon (C), % 0.3 to 0.4
1.2 to 1.3
Chromium (Cr), % 1.8 to 3.8
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 82.2 to 87.4
88.7 to 92
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.4
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 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0.8 to 1.4

Comparable Variants