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
  

JIS SKS21 Oil-hardening Cold Work Tool Steel
Categories: Metal; Ferrous Metal; Tool Steel; Cold Work Steel; Oil-Hardening Steel
Material Notes: General purpose non-deforming low alloy for applications requiring extreme dimensional accuracy. Good abrasion resistance and toughness.
Key Words: JIS G4404(83) SKS21, SKS 21, SKS-21; Comparable to SKS3, SKS93, SKS95, AISI O1 Tool Steel, UNS 31501
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 PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell <= 217<= 217Hot Rolled Bar/Forging
Modulus of Elasticity 214 GPa31000 ksi(AISI O1)
 
Thermal PropertiesMetricEnglishComments
CTE, linear  10.8 µm/m-°C
@Temperature 38.0 - 260 °C		6.00 µin/in-°F
@Temperature 100 - 500 °F		(AISI O1)
 14.0 µm/m-°C
@Temperature 38.0 - 540 °C		7.78 µin/in-°F
@Temperature 100 - 1000 °F		(AISI O1)
 
Processing PropertiesMetricEnglishComments
Processing Temperature 175 - 260 °C347 - 500 °FTempering Temperature (AISI O1)
 790 - 815 °C1450 - 1500 °FHardening Temperature (AISI O1)
Annealing Temperature 760 - 790 °C1400 - 1450 °F(AISI O1)
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 1.0 - 1.1 %1.0 - 1.1 %
Chromium, Cr 0.20 - 0.50 %0.20 - 0.50 %
Iron, Fe 96 - 98.2 %96 - 98.2 %As Balance
Manganese, Mn <= 0.50 %<= 0.50 %
Nickel, Ni <= 0.25 %<= 0.25 %
Phosphorus, P <= 0.030 %<= 0.030 %
Silicon, Si <= 0.35 %<= 0.35 %
Sulfur, S <= 0.030 %<= 0.030 %
Tungsten, W 0.50 - 1.0 %0.50 - 1.0 %
Vanadium, V 0.10 - 0.25 %0.10 - 0.25 %

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.

Users viewing this material also viewed the following:
AISI Type O1 Oil-hardening Tool Steel, oil quenched at 800°C, tempered at 425°C
Bohler-Uddeholm O1 Cold Work Tool Steel
Crucible Steel KETOS® Tool Steel, AISI O1
JIS SKS3 Oil-hardening Cold Work Tool Steel
JIS SKS93 Oil-hardening Cold Work Tool Steel

MSTZJSKS21 / 231084

Specialty Compounds RTP Company




Searches:   Advanced  •   Composition  •   Property  •   Material Type  •   Manufacturer  •   Trade Name  •   UNS Number
Other Links:   Advertising  •   Submit Data  •   Database Licensing  •   Web Design & Hosting  •   Trade Publications
Supplier List  •   Unit Converter  •   Reference  •   Links  •   Help  •   Contact Us  •   Site Map  •   FAQ  •   Home
 
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.