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ASTM A182 Grade F122 vs. SAE-AISI H22 Steel

Both ASTM A182 grade F122 and SAE-AISI H22 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F122 and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 710
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1490
1670
Melting Onset (Solidus), °C 1440
1620
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 24
31
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 3.0
4.9
Embodied Energy, MJ/kg 44
73
Embodied Water, L/kg 100
72

Common Calculations

PREN (Pitting Resistance) 17
21
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 25
22 to 61
Strength to Weight: Bending, points 22
20 to 39
Thermal Diffusivity, mm2/s 6.4
8.2
Thermal Shock Resistance, points 19
22 to 60

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.3 to 0.4
Chromium (Cr), % 10 to 11.5
1.8 to 3.8
Copper (Cu), % 0.3 to 1.7
0 to 0.25
Iron (Fe), % 81.3 to 87.7
82.2 to 87.4
Manganese (Mn), % 0 to 0.7
0.15 to 0.4
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
10 to 11.8
Vanadium (V), % 0.15 to 0.3
0.25 to 0.5
Zirconium (Zr), % 0 to 0.010
0