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www.steelstore.com/app/uploads/sites/60/2018/06/AISI-01-Datasheet.pdf

AISI 01 general purpose oil-hardening tool steel ... plus a combination of high surface hardness and ... of tooling with good tool-life and production.

www.otaisteel.com/products/cold-work-tool-steel/aisi-o1-tool-steel

AISI O1 Steel is a high quality Cold work tool steel, It belong to the high quality high carbon alloy tool steel. Oil Quenched & Tempered Hardenss is 28-34 HRc.

www.kmac-distribution.com/technical/o1-tool-steel.htm

This alloy is one of the Cold Work, oil hardening type tool steels. It is relatively inexpensive containing small amounts of manganese, tungsten and ...

www.westyorkssteel.com/tool-steel/o1

O1 tool steel offers good durability, gives excellent wear resistance and holds a good cutting edge. With these properties it is an excellent general purpose ...

knifeuser.com/o1-tool-steel-review

The hardness of the O1 tool steel is 57Hc at 600 tempering temperature. If you find trouble understanding the HRC or ...

www.bladeforums.com/threads/heat-treating-01-tool-steel-help.581032

Sep 4, 2008 ... O-1 hardens easily, so getting it quickly into 125F olive or canola oil should get good hardness. ATF may be a bit faster than is necessary. (I ...

www.cashenblades.com/steel/o1.html

O1 is one of the most commonly available tool steels and has been an ind ustry ... at temperature for a proper amount of time to achieve maximum hardness.

www.groundflatstock.com/News/ArtMID/1382/ArticleID/10/O1-Tool-Steel-Heat-Treatment-Information

Apr 8, 2015 ... Maintain at the temperature and allow to cool with the furnace until the temperature falls below 500 degrees centigrade. Withdraw from box or ...

en.wikipedia.org/wiki/Tool_steel

They have high surface hardness and are often used to make knife blades. The machinability of the oil hardening grades is high but for the high carbon-chromium ...

knifeup.com/what-o1-steel-is-and-how-to-work-with-it

O1 tool steel specification and instructions specify that this steel hardens and tempers to a Rockwell hardness of 57-58HRC.

www.azom.com/article.aspx?ArticleID=6229

Sep 13, 2012 ... Tempering of O1 steels is performed at 177-260°C (350-500°F) to realize Rockwell C hardness of 62 to 57. Martempering. Martempering is a ...