MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Master Bond adhesives

(Viewing data as-entered. Click here to return)
AISI E4340 H Steel, oil quenched 800°C (1470°F), 595°C (1100°F) temper, 25 mm round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel

Material Notes: 57 HRC surface, 57 HRC 1/2 radius, 56 HRC center

AISI E4340H has a favorable response to heat treatment (usually oil quenching followed by tempering) and exhibits a good combination of ductility and strength when treated thusly. Uses include piston pins, bearings, ordnance, gears, dies, and pressure vessels.

Key Words: AISI E4340H; alloy steels, UNS H43406, ASTM A304, SAE J1268, DIN 1.6562
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 7.85 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 331
Hardness, Knoop 359Converted from Brinell
Hardness, Rockwell B 99Converted from Brinell
Hardness, Rockwell C 36Converted from Brinell
Hardness, Vickers 350Converted from Brinell
Tensile Strength, Ultimate 1138 MPa
Tensile Strength, Yield 1096 MPa
Elongation at Break 16.5 %in 50 mm
Reduction of Area 54.1 %
Modulus of Elasticity 200 GPaAISI 4340
Bulk Modulus 159 GPaEstimated from elastic modulus
Poissons Ratio 0.29Typical for steel
Machinability 50 %annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus 78.0 GPaEstimated from elastic modulus
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000248 ohm-cm
@Temperature 20.0 °C
 0.0000298 ohm-cm
@Temperature 100 °C
 0.0000552 ohm-cm
@Temperature 400 °C
 0.0000797 ohm-cm
@Temperature 600 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 11.3 µm/m-°C
@Temperature -70.0 - 20.0 °C
Austenitized 870°C (1600°F), 545°C (1010°F) temper for 2 hrs.
 12.4 µm/m-°C
@Temperature 21.0 - 260 °C
Austenitized 870°C (1600°F), 545°C (1010°F) temper for 2 hrs.
 13.7 µm/m-°C
@Temperature 500 °C
austenitized at 870°C (1600°F), 545°C (1010°F) temper for 2 hours
Specific Heat Capacity 0.475 J/g-°CTypical 4000 series steel
Thermal Conductivity 44.5 W/m-KTypical steel
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.37 - 0.44 %
Chromium, Cr 0.65 - 0.95 %
Iron, Fe 95.015 - 96.48 %As remainder
Manganese, Mn 0.60 - 0.95 %
Molybdenum, Mo 0.20 - 0.30 %
Nickel, Ni 1.55 - 2.0 %
Phosphorus, P <= 0.025 %
Silicon, Si 0.15 - 0.30 %
Sulfur, S <= 0.020 %

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 go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
AISI 4340 Steel, oil quenched 800°C (1470°F), 595°C (1100°F) temper, 25 mm round
AISI E4340 Steel, oil quenched 800°C (1470°F), 595°C (1100°F) temper, 25 mm round
AISI E4340 Steel, quenched 845°C, 315°C (600°F) temper
AISI E4340 Steel, quenched 845°C, 425°C (800°F) temper
AISI 4340 Steel, oil quenched 800°C (1470°F), 540°C (1000°F) temper, 25 mm round

M434EJ / 7827

Rulon Bearings

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at webmaster@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2024 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.