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
Bohler-Uddeholm UDDEHOLM MIRRAX ESR Plastic Mold Steel
Categories: Metal; Ferrous Metal; Tool Steel; Mold Steel

Material Notes: Uddeholm Mirrax ESR is specially developed and adapted for larger molds that require corrosion resistance and/or high surface finish.

It is characterized by:

  • High hardenability for consistent properties in large dimensions
  • Good ductility and toughness for a safe production
  • High corrosion resistance for low maintenance requirements
  • Excellent polishability for aesthetic quality and function
  • Good wear resistance for longer life
Uddeholm Mirrax ESR is also the right choice for larger tools when contamination in production is totally unacceptable: within the medical industry, optical industry and for other high quality transparent articles.

Applications: Although Uddeholm Mirrax ESR is recommended for all types of moulds, its special properties make it particularly suitable for molds with the following demands:

  • Corrosion/staining resistance, i.e. for moulding of corrosive materials, e.g. PVC, acetates, and for moulds subjected to humid working/storage conditions.
  • High surface finish, i.e. for the production of optical parts, such as camera and sunglass lenses, and for medical components, e.g. syringes, analysis vials etc..
  • Toughness/ductility, i.e. for complex molds
  • Outstanding through-hardening characteristics i.e. high-hardenability, important for larger molds.

Key Words: AISI 420 Modified; W.-Nr. 1.2083
Available Properties
  • Density
  • Hardness, Brinell, Annealed
  • Hardness, Rockwell C, without tempering
  • Tensile Strength, Ultimate, at HRC 45
  • Tensile Strength, Ultimate, at HRC 50
  • Tensile Strength, Yield, at HRC 45
  • Tensile Strength, Yield, at HRC 50
  • Modulus of Elasticity
  • Modulus of Elasticity
  • Modulus of Elasticity
  • Impact Test, without tempering; at HRC 52
  • Impact Test, tempered at 300°C; at HRC 50
  • CTE, linear
  • CTE, linear
  • Specific Heat Capacity
  • Thermal Conductivity
  • Thermal Conductivity
Property Data

This page displays only the text
of a material data sheet.

To see MatWeb's complete data
sheet for this material (including
material property data, metal
compositions, material suppliers,
), please click the button below.

Manufacturer Notes:

Category Notes

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.


Aluminum Castings
Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at 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.