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AISI 4620H Steel, mock carburized, 150°C (300°F) temper, 25 mm (1 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel

Material Notes: Mock Carburized at 925°C (1700°F) for 8 hrs., reheated to 815°C (1500°F), oil quenched, 150°C (300°F) temper.

Key Words: UNS H46200, ASTM A304, SAE J1274
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 197197
Hardness, Knoop 219219Converted from Brinell
Hardness, Rockwell B 9292Converted from Brinell
Hardness, Rockwell C 1313Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers 207207Converted from Brinell
Tensile Strength, Ultimate 675 MPa97900 psi
Tensile Strength, Yield 460 MPa66700 psi
Elongation at Break 25.8 %25.8 %in 50 mm
Reduction of Area 70 %70 %
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
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
Izod Impact 135 J99.6 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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AISI 4620H Steel, mock carburized, 230°C (450°F) temper, 50 mm (2 in.) round

M462BL / 7909

Specialty Compounds RTP Company

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