robcas631 Well-Known Member Joined Sep 30, 2011 Messages 525 Reaction score 73 Location Liberty, NY Dec 9, 2012 #1 How can one determine steel type if it is not labeled?
Tin Falcon Well-Known Member Joined Jul 9, 2007 Messages 7,207 Reaction score 787 Dec 9, 2012 #2 spark testing is a comon way http://en.wikipedia.org/wiki/Spark_testing Tin