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SAE-AISI H12 Steel vs. ASTM A182 Grade F22V

Both SAE-AISI H12 steel and ASTM A182 grade F22V are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is ASTM A182 grade F22V.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
670

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1440
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.5
Embodied Energy, MJ/kg 41
35
Embodied Water, L/kg 76
61

Common Calculations

PREN (Pitting Resistance) 12
5.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 65
24
Strength to Weight: Bending, points 22 to 42
22
Thermal Diffusivity, mm2/s 9.8
11
Thermal Shock Resistance, points 22 to 60
19

Alloy Composition

Boron (B), % 0
0 to 0.0020
Calcium (Ca), % 0
0 to 0.015
Carbon (C), % 0.3 to 0.4
0.11 to 0.15
Chromium (Cr), % 4.8 to 5.5
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 87.8 to 91.7
94.6 to 96.4
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 1.3 to 1.8
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.8 to 1.2
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0.25 to 0.35