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Ensinger PEI

AISI 5140 Steel, normalized, 13 mm (0.5 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 5000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes: Heated to 870°C, air cooled, 13 mm round
Key Words: B.S. 530 A 40, B.S. 530 H 40, B.S. 530 M 40, B.S. 2 S 117, DIN 1.7035, AFNOR 42 C 4 (Fr), UNI 40 Cr 4 (Ital.), UNI 41 Cr 4 KB (Ital.), JIS SCr 4 H (Japan.), UNS G51400, ASTM A322, ASTM A331, ASTM A505, ASTM A519, SAE J404, SAE J412, SAE J770
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 235235
Hardness, Knoop 259259Converted from Brinell
Hardness, Rockwell B 9797Converted from Brinell
Hardness, Rockwell C 2121Converted from Brinell
Hardness, Vickers 247247Converted from Brinell
Tensile Strength, Ultimate 827 MPa120000 psi
Tensile Strength, Yield 525 MPa76100 psi
Elongation at Break 22 %22 %in 50mm.
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steel.
Poissons Ratio 0.290.29Calculated
Machinability 65 %65 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steel.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  0.0000228 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 PropertiesMetricEnglishComments
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 PropertiesMetricEnglishComments
Carbon, C 0.38 - 0.43 %0.38 - 0.43 %
Chromium, Cr 0.70 - 0.90 %0.70 - 0.90 %
Iron, Fe 97.395 - 98.07 %97.395 - 98.07 %As remainder
Manganese, Mn 0.70 - 0.90 %0.70 - 0.90 %
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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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AISI 5140 Steel, normalized 870°C (1600°F)
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M514AH / 8072

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