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AISI 8642 Steel, oil quenched 845°C (1550°F), 540°C (1000°F) temper, round
Categories:
Metal
;
Ferrous Metal
;
Alloy Steel
;
AISI 8000 Series Steel
;
Low Alloy Steel
;
Carbon Steel
;
Medium Carbon Steel
Key Words:
SAE J770, UNS G86420, ASTM A322, ASTM A331, ASTM A505, ASTM A519, SAE J404, SAE J412
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Physical Properties
Original Value
Comments
Density
7.85
g/cc
Mechanical Properties
Original Value
Comments
Hardness, Brinell
285
@Diameter 102 mm
306
@Diameter 76.2 mm
331
@Diameter 50.8 mm
363
@Diameter 25.4 mm
Hardness, Knoop
311
@Diameter 102 mm
Converted from Brinell
333
@Diameter 76.2 mm
Converted from Brinell
359
@Diameter 50.8 mm
Converted from Brinell
392
@Diameter 25.4 mm
Converted from Brinell
Hardness, Rockwell B
99
@Diameter 50.8 mm
Converted from Brinell
99
@Diameter 76.2 mm
Converted from Brinell
99
@Diameter 102 mm
Converted from Brinell
100
@Diameter 25.4 mm
Converted from Brinell
Hardness, Rockwell C
30
@Diameter 102 mm
Converted from Brinell
33
@Diameter 76.2 mm
Converted from Brinell
36
@Diameter 50.8 mm
Converted from Brinell
40
@Diameter 25.4 mm
Converted from Brinell
Hardness, Vickers
301
@Diameter 102 mm
Converted from Brinell
323
@Diameter 76.2 mm
Converted from Brinell
350
@Diameter 50.8 mm
Converted from Brinell
384
@Diameter 25.4 mm
Converted from Brinell
Tensile Strength, Ultimate
972
MPa
@Diameter 102 mm
1040
MPa
@Diameter 76.2 mm
1125
MPa
@Diameter 50.8 mm
1240
MPa
@Diameter 25.4 mm
Tensile Strength, Yield
814
MPa
@Diameter 102 mm
889
MPa
@Diameter 76.2 mm
986
MPa
@Diameter 50.8 mm
1110
MPa
@Diameter 25.4 mm
Elongation at Break
15 %
@Diameter 25.4 mm
in 50 mm
16.8 %
@Diameter 50.8 mm
in 50 mm
18.2 %
@Diameter 76.2 mm
in 50 mm
19.2 %
@Diameter 102 mm
in 50 mm
Modulus of Elasticity
205
GPa
Typical for steel
Bulk Modulus
160
GPa
Typical for steel.
Poissons Ratio
0.29
Calculated
Machinability
65 %
annealed and cold drawn. Based on AISI 1212 steel = 100%.
Shear Modulus
80.0
GPa
Typical for steel
Electrical Properties
Original Value
Comments
Electrical Resistivity
0.0000234
ohm-cm
Typical steel
Thermal Properties
Original Value
Comments
Specific Heat Capacity
0.475
J/g-°C
Typical steel
Thermal Conductivity
46.6
W/m-K
Typical steel
Component Elements Properties
Original Value
Comments
Carbon, C
0.40 - 0.45 %
Chromium, Cr
0.40 - 0.60 %
Iron, Fe
96.625 - 97.75 %
As remainder
Manganese, Mn
0.75 - 1.0 %
Molybdenum, Mo
0.15 - 0.25 %
Nickel, Ni
0.40 - 0.70 %
Phosphorus, P
<= 0.035 %
Silicon, Si
0.15 - 0.30 %
Sulfur, S
<= 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
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Users viewing this material also viewed the following:
AISI 8650H Steel, oil quenched 800°C (1470°F), 540°C (1000°F) temper, round
AISI 4140 Steel, oil quenched, 425°C (800°F) temper, 25 mm (1 in.) round
AISI 4140H Steel, heat treated, tempered 480°C (900°F), 25 mm (1 in.) round
308 Stainless steel, cold drawn wire, 75% hardened
AISI 8640 Steel, oil quenched 845°C (1550°F), 540°C (1000°F) temper, 50 mm (2 in.) round
M864CA / 8482
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