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Master Bond adhesives

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AISI 8720 Steel
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 8000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel

Key Words: SAE J770, DIN 1.6543, B.S. 805 A 20, UNS G87200, ASTM A322, ASTM A331, ASTM A505, ASTM A519, SAE J404, SAE J412
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Physical PropertiesOriginal ValueComments
Density 7.85 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 179 - 235hot rolled and cold drawn
Hardness, Knoop 229Converted from Brinell
Hardness, Rockwell B 93Converted from Brinell
Hardness, Rockwell C 15Converted from Brinell hardness. Value below normal HRC range, for comparison only.
Hardness, Vickers 217Converted from Brinell
Modulus of Elasticity 205 GPaTypical for steel
Bulk Modulus 160 GPaTypical for steel.
Poissons Ratio 0.29Calculated
Fracture Toughness 30.0 - 45.0 ksi-in½cracks originating in case; case depth 0.30 to 0.35 in.
 65.0 - 105 ksi-in½cracks originating in core
Machinability 65 %hot rolled and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPaTypical for steel
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000300 ohm-cm
@Temperature 50.0 °C
condition of specimen unknown
 0.0000480 ohm-cm
@Temperature 300 °C
condition of specimen unknown
 
Thermal PropertiesOriginal ValueComments
Specific Heat Capacity 0.475 J/g-°CTypical steel
Thermal Conductivity 46.6 W/m-KTypical steel
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.18 - 0.23 %
Chromium, Cr 0.40 - 0.60 %
Iron, Fe 96.895 - 97.97 %As remainder
Manganese, Mn 0.70 - 0.90 %
Molybdenum, Mo 0.20 - 0.30 %
Nickel, Ni 0.40 - 0.70 %
Phosphorus, P <= 0.035 %
Silicon, Si 0.15 - 0.30 %
Sulfur, S <= 0.040 %

References for this datasheet.

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