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01 Carbon Tool Steel

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  • 01 Carbon Tool Steel
$55.00

Description

01 Carbon Tool Steel 

O1 knife steel. Manufactured by Bohler-Uddeholm grade K460.

Oil hardening blade and tool steel, popular as a strong tough steel with better edge retention than for instance 1084 but requiring a more controlled heat treatment.

Buying 01 steel and heat treating it like a simple carbon steel like 1084 will be a waste of time and money.

 Composition

C Si Mn Cr V  W
0,95  0.25  1,10  0,55  0,10  0.55 

 Forging: 1050 C to 850 C, do not forge under 850 C to reduce chance of cracking.

Annealing if forging: from 710-750 C, not more than 20C/hour down to 600 C, then can be air cooled.

Stress relieving: 650 C to slow cool

Hardening: 780-820 C, hold time 15-30 mins, quench in oil for 63-65 HRC

Tempering: 2 x 2 hours at 200 C for 62-63 HRC, 250 C for 60 HRC and 290 C for 56-57 HRC

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1 Review

  • 5
    01 tool steel

    Posted by christopher vaz on 13th Dec 2021

    I have just cut 2 knife blanks and set in the primary bevels. they will go for heat treatment & annealing shortly. Initial observations is the bllet is easy to work with, and I expevt will result in a couple of good hunting knives.
    Thanks Nordic Edge.

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