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AISI 4320 Steel, single quenched and tempered (carburized 925°C (1700°F) for 8hrs, pot cooled, reheated to 815°C (1500°F), quenched in agitated oil, 230°C (450°F) temper), 1.9 mm case depth
Categories:
Metal
;
Ferrous Metal
;
Alloy Steel
;
AISI 4000 Series Steel
;
Low Alloy Steel
;
Carbon Steel
;
Low Carbon Steel
Key Words:
UNS G43200, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A535
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Physical Properties
Metric
English
Comments
Density
7.85
g/cc
0.284
lb/in³
Mechanical Properties
Metric
English
Comments
Hardness, Brinell
415
415
Core property
Hardness, Knoop
446
446
Core property; Converted from Brinell hardness.
Hardness, Rockwell C
59
59
Case hardness
Hardness, Vickers
440
440
Core property; Converted from Brinell hardness.
Tensile Strength, Ultimate
1460
MPa
212000
psi
Core property
Tensile Strength, Yield
1195
MPa
173300
psi
Core property
Elongation at Break
12.5 %
12.5 %
Core property; in 50 mm
Reduction of Area
50.9 %
50.9 %
Core property
Modulus of Elasticity
205
GPa
29700
ksi
Typical for steel
Bulk Modulus
160
GPa
23200
ksi
Typical for steels.
Poissons Ratio
0.29
0.29
Calculated
Machinability
60 %
60 %
annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus
80.0
GPa
11600
ksi
Typical for steels.
Electrical Properties
Metric
English
Comments
Electrical Resistivity
0.0000245
ohm-cm
0.0000245
ohm-cm
Typical 4000 series steel
Thermal Properties
Metric
English
Comments
CTE, linear
11.3
µm/m-°C
@Temperature -18.0 - 95.0 °C
6.28
µin/in-°F
@Temperature -0.400 - 203 °F
condition of specimen unknown
Specific Heat Capacity
0.475
J/g-°C
0.114
BTU/lb-°F
Typical 4000 series steel
Thermal Conductivity
44.5
W/m-K
309
BTU-in/hr-ft²-°F
Typical steel
Component Elements Properties
Metric
English
Comments
Carbon, C
0.17 - 0.22 %
0.17 - 0.22 %
Chromium, Cr
0.40 - 0.60 %
0.40 - 0.60 %
Iron, Fe
95.855 - 96.98 %
95.855 - 96.98 %
As remainder
Manganese, Mn
0.45 - 0.65 %
0.45 - 0.65 %
Molybdenum, Mo
0.20 - 0.30 %
0.20 - 0.30 %
Nickel, Ni
1.65 - 2.0 %
1.65 - 2.0 %
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
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Users viewing this material also viewed the following:
AISI 4320 Steel, single quenched and tempered (carburized 925°C (1700°F) for 8hrs, pot cooled, reheated to 830°C (1525°F), quenched in agitated oil, 150°C (300°F) temper)
AISI 4320 Steel, direct quench from pot (carburized 925°C (1700°F) for 8 hrs., quenched in agitated oil, 230°C (450°F) temper), 1.5 mm case depth
AISI 4320 Steel, direct quench from pot (carburized 925°C (1700°F) for 8 hrs., quenched in agitated oil, 150°C (300°F) temper), 1.5 mm case depth
AISI 4320 Steel, double quenched and tempered (carburized 925°C (1700°F) for 8hrs, pot cooled, reheated to 815°C (1500°F), quenched in agitated oil, reheated to 775°C, quenched in agitated oil, 150°C (300°F) temper), 1.9 mm case depth
AISI 4320 Steel, annealed at 850°C (1560°F)
M432AG / 7697
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