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Master Bond adhesives

AISI 4027 Steel, water quenched 865°C (1590°F), 480°C (900°F) temper, 50 mm (2 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes: As quenched hardness: 47 HRC surface, 27 HRC 1/2 radius, 27 HRC center.
Key Words: UNS G40270, ASTM A322, ASTM A331, ASTM A519, SAE J404, SAE J412, SAE J770, alloy steels
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 229229
Hardness, Knoop 252252Converted from Brinell
Hardness, Rockwell B 9696Converted from Brinell
Hardness, Rockwell C 1919Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers 241241Converted from Brinell
Tensile Strength, Ultimate 786 MPa114000 psi
Tensile Strength, Yield 615 MPa89200 psi
Elongation at Break 22 %22 %in 50 mm
Reduction of Area 66.6 %66.6 %
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steel
Poissons Ratio 0.290.29Calculated
Machinability 70 %70 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steel
 
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 0.25 - 0.30 %0.25 - 0.30 %
Iron, Fe 98.08 - 98.7 %98.08 - 98.7 %As remainder
Manganese, Mn 0.70 - 0.90 %0.70 - 0.90 %
Molybdenum, Mo 0.20 - 0.30 %0.20 - 0.30 %
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 4027 Steel, water quenched 865°C (1590°F), 480°C (900°F) temper, 100 mm (4 in.) round
AISI 4027 Steel, water quenched 865°C (1590°F), 480°C (900°F) temper, 25 mm (1 in.) round

M4027H / 7442




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