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AISI 5140H Steel, oil quenched 845°C (1550°F), 650°C (1200°F) temper, 100 mm (4 in.) round
Categories:
Metal
;
Ferrous Metal
;
Alloy Steel
;
AISI 5000 Series Steel
;
Low Alloy Steel
;
Carbon Steel
;
Medium Carbon Steel
Material Notes:
Oil quenched from 845°C, 650°C (1200°F) temper, 100 mm round. Post oil quenched hardness 35 HRC surface, 29 HRC half-radius, 20 HRC center
Key Words:
UNS H51400, ASTM A304, SAE J1268, DIN 1.7006, AFNOR 42 C 2 (Fr), AFNOR 45 C 2 (Fr)
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Physical Properties
Original Value
Comments
Density
7.85
g/cc
Mechanical Properties
Original Value
Comments
Hardness, Brinell
217
Hardness, Knoop
240
Converted from Brinell
Hardness, Rockwell B
95
Converted from Brinell
Hardness, Rockwell C
17
Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers
228
Converted from Brinell
Tensile Strength, Ultimate
731
MPa
Tensile Strength, Yield
470
MPa
Elongation at Break
24.6 %
in 50mm.
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 100% machinability for AISI 1212 steel.
Shear Modulus
80.0
GPa
Typical for steels
Electrical Properties
Original Value
Comments
Electrical Resistivity
0.0000228
ohm-cm
@Temperature 20.0 °C
0.0000281
ohm-cm
@Temperature 100 °C
0.0000352
ohm-cm
@Temperature 200 °C
0.0000530
ohm-cm
@Temperature 400 °C
0.0000785
ohm-cm
@Temperature 600 °C
Thermal Properties
Original Value
Comments
CTE, linear
12.6
µm/m-°C
@Temperature 20.0 - 200 °C
13.3
µm/m-°C
@Temperature 20.0 - 300 °C
13.9
µm/m-°C
@Temperature 20.0 - 400 °C
14.0
µm/m-°C
@Temperature 20.0 - 500 °C
14.6
µm/m-°C
@Temperature 20.0 - 600 °C
14.9
µm/m-°C
@Temperature 20.0 - 700 °C
Specific Heat Capacity
0.452
J/g-°C
@Temperature >=100 °C
0.473
J/g-°C
@Temperature 20.0 - 200 °C
0.519
J/g-°C
@Temperature 20.0 - 400 °C
Thermal Conductivity
31.3
W/m-K
@Temperature 600 °C
37.7
W/m-K
@Temperature 400 °C
43.4
W/m-K
@Temperature 200 °C
44.6
W/m-K
@Temperature 100 °C
Component Elements Properties
Original Value
Comments
Carbon, C
0.37 - 0.44 %
Chromium, Cr
0.60 - 1.0 %
Iron, Fe
97.185 - 98.28 %
As remainder
Manganese, Mn
0.60 - 1.0 %
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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AISI 51B60H Steel, oil quenched from 830°C (1525°F), 540°C (1000°F) temper, 100 mm (4 in.) round
AISI 4130 Steel, water quenched 855°C (1570°F), 480°C (900°F) temper, 50 mm (2 in.) round
AISI 4140 Steel, normalized at 870°C (1600°F), reheated to 845°C (1550°F), oil quenched, 205°C (400°F) temper, 25 mm (1 in.) round
M514BQ / 8106
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