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Elmet Technologies

AISI 4147 Steel
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes: Oil quenched. Forging temp.: 1205°C (2200°F) max. Annealing temp.: 790 - 845°C. Hardening temp.: 815 - 845°C. Tempered to desired hardness.
Key Words: alloy steels, UNS G41470, ASTM A322, ASTM A331, ASTM A505, ASTM A519, DIN 1.7228, JIS SCM5H, JIS SCM5
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 187 - 235187 - 235annealed and cold drawn
Hardness, Knoop 234234Converted from Brinell
Hardness, Rockwell B 9494Converted from Brinell
Hardness, Rockwell C 1616Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers 222222Converted from Brinell
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steels.
Poissons Ratio 0.290.29Calculated
Machinability 60 %60 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steels.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000263 ohm-cm0.0000263 ohm-cm
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 0.473 J/g-°C0.113 BTU/lb-°F
Thermal Conductivity 42.6 W/m-K296 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.45 - 0.50 %0.45 - 0.50 %
Chromium, Cr 0.80 - 1.1 %0.80 - 1.1 %
Iron, Fe 96.725 - 97.7 %96.725 - 97.7 %As remainder
Manganese, Mn 0.75 - 1.0 %0.75 - 1.0 %
Molybdenum, Mo 0.15 - 0.30 %0.15 - 0.30 %
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.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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M4147A / 7558




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