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Rulon Bearings

AISI 4130H Steel, water quenched 855°C (1570°F), 480°C (900°F) temper, 100 mm (4 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes: A very common general purpose grade of medium carbon, Cr-Mo steel. Flexibility afforded by heat treatment options allows it to attain a range of toughness and strength values. Good hardenability, strength, wear resistance, toughness, and ductility.

Post water quenched hardness: 45.5 HRC surface, 25 HRC 1/2 radius, 24.5 center.
Key Words: AFNOR 25 CD 4 (S), JIS SCM2, JIS SCCrM 1, SS14 2225 (Sweden), alloy steels, UNS H41300, ASTM A304, SAE J1268, DIN 1.7218, medium carbon steels, chromium-molybdenum, chrome-moly
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 241241
Hardness, Knoop 265265Converted from Brinell
Hardness, Rockwell B 9797Converted from Brinell
Hardness, Rockwell C 2222Converted from Brinell
Hardness, Vickers 254254Converted from Brinell
Tensile Strength, Ultimate 841 MPa122000 psi
Tensile Strength, Yield 655 MPa95000 psi
Elongation at Break 20.5 %20.5 %in 50 mm
Reduction of Area 63.6 %63.6 %
Modulus of Elasticity 205 GPa29700 ksiTypical for steel
Bulk Modulus 160 GPa23200 ksiTypical for steel
Poissons Ratio 0.290.29Calculated
Machinability 70 %70 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPa11600 ksiTypical for steel
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  0.0000223 ohm-cm
@Temperature 20.0 °C		0.0000223 ohm-cm
@Temperature 68.0 °F		specimen hardened and tempered
 0.0000271 ohm-cm
@Temperature 100 °C		0.0000271 ohm-cm
@Temperature 212 °F		specimen hardened and tempered
 0.0000342 ohm-cm
@Temperature 200 °C		0.0000342 ohm-cm
@Temperature 392 °F		specimen hardened and tempered
 0.0000529 ohm-cm
@Temperature 400 °C		0.0000529 ohm-cm
@Temperature 752 °F		specimen hardened and tempered
 0.0000786 ohm-cm
@Temperature 600 °C		0.0000786 ohm-cm
@Temperature 1110 °F		specimen hardened and tempered
 0.0001103 ohm-cm
@Temperature 800 °C		0.0001103 ohm-cm
@Temperature 1470 °F		specimen hardened and tempered
 0.0001171 ohm-cm
@Temperature 1000 °C		0.0001171 ohm-cm
@Temperature 1830 °F		specimen hardened and tempered
 0.0001222 ohm-cm
@Temperature 1200 °C		0.0001222 ohm-cm
@Temperature 2190 °F		specimen hardened and tempered
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity  0.477 J/g-°C
@Temperature >=100 °C		0.114 BTU/lb-°F
@Temperature >=212 °F
 0.523 J/g-°C
@Temperature 150 - 200 °C		0.125 BTU/lb-°F
@Temperature 302 - 392 °F
 0.837 J/g-°C
@Temperature 750 - 800 °C		0.200 BTU/lb-°F
@Temperature 1380 - 1470 °F
Thermal Conductivity  30.1 W/m-K
@Temperature 1200 °C		209 BTU-in/hr-ft²-°F
@Temperature 2190 °F
 40.7 W/m-K
@Temperature 300 °C		282 BTU-in/hr-ft²-°F
@Temperature 572 °F
 42.7 W/m-K
@Temperature 100 °C		296 BTU-in/hr-ft²-°F
@Temperature 212 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.27 - 0.33 %0.27 - 0.33 %
Chromium, Cr 0.75 - 1.2 %0.75 - 1.2 %
Iron, Fe 97.1 - 98.38 %97.1 - 98.38 %As remainder
Manganese, Mn 0.30 - 0.70 %0.30 - 0.70 %
Molybdenum, Mo 0.15 - 0.25 %0.15 - 0.25 %
Phosphorus, P <= 0.035 %<= 0.035 %
Silicon, Si 0.15 - 0.35 %0.15 - 0.35 %
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 4130 Steel, water quenched 855°C (1570°F), 595°C (1100°F) temper, 100 mm (4 in.) round
AISI 4130H Steel, water quenched 855°C (1570°F), 480°C (900°F) temper, 13 mm (0.5 in.) round
AISI 4130 Steel, water quenched 855°C (1570°F), 540°C (1000°F) temper, 100 mm (4 in.) round
AISI 4130 Steel, annealed at 865°C (1590°F)
AISI 4130H Steel, normalized at 870°C (1600°F)

M4130W / 7508

Master Bond adhesives




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