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AISI 8622H Steel, heat treated, machined to 25 mm (1 in.) rounds, pseudocarburized, 150°C (300°F) temper
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 8000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes: Normalize 925°C (1700°F) in 32 mm rounds, machine to 25 mm rounds, pseudocarburize at 925°C (1700°F) for 8 hours, oil quench, 150°C (300°F) temper, tested in 12.8 mm rounds
Key Words: UNS H86220, ASTM A304, SAE J1268, DIN 1.6543, B.S. 805 A 20
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 388388
Hardness, Knoop 418418Converted from Brinell
Hardness, Rockwell B 101101Converted from Brinell
Hardness, Rockwell C 4343Converted from Brinell
Hardness, Vickers 411411Converted from Brinell
Tensile Strength, Ultimate 1314 MPa190600 psi
Tensile Strength, Yield 928 MPa
@Strain 0.2 %		135000 psi
@Strain 0.2 %
Elongation at Break 12.8 %12.8 %in 50 mm
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steel.
Poissons Ratio 0.290.29Calculated
Machinability 65 %65 %annealed and cold drawn. Based on AISI 1212 steel = 100%.
Shear Modulus 80.0 GPa11600 ksiTypical for steel.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000234 ohm-cm0.0000234 ohm-cmTypical steel
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 0.475 J/g-°C0.114 BTU/lb-°FTypical steel
Thermal Conductivity 46.6 W/m-K323 BTU-in/hr-ft²-°FTypical steel
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.19 - 0.25 %0.19 - 0.25 %
Chromium, Cr 0.35 - 0.64 %0.35 - 0.64 %
Iron, Fe 96.785 - 98.21 %96.785 - 98.21 %As remainder
Manganese, Mn 0.60 - 0.95 %0.60 - 0.95 %
Molybdenum, Mo 0.15 - 0.25 %0.15 - 0.25 %
Nickel, Ni 0.35 - 0.75 %0.35 - 0.75 %
Phosphorus, P <= 0.035 %<= 0.035 %
Silicon, Si 0.15 - 0.30 %0.15 - 0.30 %
Sulfur, S <= 0.040 %<= 0.040 %

References for this datasheet.

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