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AISI 5140H Steel, oil quenched 845°C (1550°F), 540°C (1000°F) temper, 50 mm (2 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, 540°C temper, 50 mm round. Post oil quenched hardness 46 HRC surface, 38 HRC half-radius, 35 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
Metric
English
Comments
Density
7.85
g/cc
0.284
lb/in³
Mechanical Properties
Metric
English
Comments
Hardness, Brinell
255
255
Hardness, Knoop
279
279
Converted from Brinell
Hardness, Rockwell B
98
98
Converted from Brinell
Hardness, Rockwell C
25
25
Converted from Brinell
Hardness, Vickers
269
269
Converted from Brinell
Tensile Strength, Ultimate
883
MPa
128000
psi
Tensile Strength, Yield
689
MPa
99900
psi
Elongation at Break
19.7 %
19.7 %
in 50mm.
Modulus of Elasticity
205
GPa
29700
ksi
Typical for steel
Bulk Modulus
160
GPa
23200
ksi
Typical for steel
Poissons Ratio
0.29
0.29
Calculated
Machinability
65 %
65 %
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
0.0000228
ohm-cm
@Temperature 20.0 °C
0.0000228
ohm-cm
@Temperature 68.0 °F
0.0000281
ohm-cm
@Temperature 100 °C
0.0000281
ohm-cm
@Temperature 212 °F
0.0000352
ohm-cm
@Temperature 200 °C
0.0000352
ohm-cm
@Temperature 392 °F
0.0000530
ohm-cm
@Temperature 400 °C
0.0000530
ohm-cm
@Temperature 752 °F
0.0000785
ohm-cm
@Temperature 600 °C
0.0000785
ohm-cm
@Temperature 1110 °F
Thermal Properties
Metric
English
Comments
CTE, linear
12.6
µm/m-°C
@Temperature 20.0 - 200 °C
7.00
µin/in-°F
@Temperature 68.0 - 392 °F
13.3
µm/m-°C
@Temperature 20.0 - 300 °C
7.39
µin/in-°F
@Temperature 68.0 - 572 °F
13.9
µm/m-°C
@Temperature 20.0 - 400 °C
7.72
µin/in-°F
@Temperature 68.0 - 752 °F
14.0
µm/m-°C
@Temperature 20.0 - 500 °C
7.78
µin/in-°F
@Temperature 68.0 - 932 °F
14.6
µm/m-°C
@Temperature 20.0 - 600 °C
8.11
µin/in-°F
@Temperature 68.0 - 1110 °F
14.9
µm/m-°C
@Temperature 20.0 - 700 °C
8.28
µin/in-°F
@Temperature 68.0 - 1290 °F
Specific Heat Capacity
0.452
J/g-°C
@Temperature >=100 °C
0.108
BTU/lb-°F
@Temperature >=212 °F
0.473
J/g-°C
@Temperature 20.0 - 200 °C
0.113
BTU/lb-°F
@Temperature 68.0 - 392 °F
0.519
J/g-°C
@Temperature 20.0 - 400 °C
0.124
BTU/lb-°F
@Temperature 68.0 - 752 °F
Thermal Conductivity
31.3
W/m-K
@Temperature 600 °C
217
BTU-in/hr-ft²-°F
@Temperature 1110 °F
37.7
W/m-K
@Temperature 400 °C
262
BTU-in/hr-ft²-°F
@Temperature 752 °F
43.4
W/m-K
@Temperature 200 °C
301
BTU-in/hr-ft²-°F
@Temperature 392 °F
44.6
W/m-K
@Temperature 100 °C
310
BTU-in/hr-ft²-°F
@Temperature 212 °F
Component Elements Properties
Metric
English
Comments
Carbon, C
0.37 - 0.44 %
0.37 - 0.44 %
Chromium, Cr
0.60 - 1.0 %
0.60 - 1.0 %
Iron, Fe
97.185 - 98.28 %
97.185 - 98.28 %
As remainder
Manganese, Mn
0.60 - 1.0 %
0.60 - 1.0 %
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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AISI 5140 Steel, oil quenched 845°C (1550°F), 595°C (1100°F) temper, 50 mm (2 in.) round
AISI 5140H Steel, annealed 830°C
AISI 5140H Steel, annealed 830°C (1525°F), 25 mm (1 in.) round
M514BH / 8097
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