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Rulon Bearings

AISI 4620H Steel, quenched 900°C (1650°F), 150°C (300°F) temper
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel

Key Words: UNS H46200, ASTM A304, SAE J1281
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 426426Converted from Rockwell C hardness.
Hardness, Rockwell C 4242Converted from Brinell
Hardness, Vickers 410410Converted from Rockwell C hardness.
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Compressive Yield Strength <= 1650 MPa<= 239000 psiTaken from gears with 1450 MPa Mean (1.1 - 1.5 mm case depth).
Bulk Modulus 160 GPa23200 ksiTypical for steel.
Poissons Ratio 0.290.29Calculated
Machinability 65 %65 %Hot rolled and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steel
Charpy Impact 19.0 J14.0 ft-lb
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000245 ohm-cm0.0000245 ohm-cmTypical 4000 series steel
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 0.475 J/g-°C0.114 BTU/lb-°FTypical 4000 series steel
Thermal Conductivity 44.5 W/m-K309 BTU-in/hr-ft²-°FTypical steel
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.17 - 0.23 %0.17 - 0.23 %
Iron, Fe 96.295 - 97.58 %96.295 - 97.58 %As remainder
Manganese, Mn 0.35 - 0.75 %0.35 - 0.75 %
Molybdenum, Mo 0.20 - 0.30 %0.20 - 0.30 %
Nickel, Ni 1.55 - 2.0 %1.55 - 2.0 %
Phosphorus, P <= 0.035 %<= 0.035 %
Silicon, Si 0.15 - 0.35 %0.15 - 0.35 %
Sulfur, S <= 0.040 %<= 0.040 %

References for this datasheet.

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