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I Forge Iron

A401 spring steel


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I am not familiar with the numbers for the spring steel you will get.  Here in the U.S.A., Spring steel is use a lot for hand tool like punches or chisels.  Some people normalize them and then heat treat them but others just shape them and use them.  I usually get my spring steel from truck springs.  Good luck.  

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Hi ID,

I found these:

http://optimumspring.com/technical_resources/materials/steel_alloys/chrome_silicon_401_spring_wire.aspx

http://www.steelss.com/Carbon-steel/astm-a401.html

Based on chemical composition I'd say it's not much for hot tools. Maybe drifts. As it quenches in water and C is 0,51-0,59 it can be hard enough for cold used chisels or punches. - Me think :)

Bests:

Gergely

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