Hand Tools

Subject:
Re: Coupons off for testing...

Bill Tindall, E.Tn.
but the small grain has to come with other microstructure properties for good toughness. Please clarify why you now seem to be interested in toughness after previously saying it is unimportant?

What is the objective of the experiment that resulted in the test pieces? What are the variables among the samples other than steel composition?

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