Comments on: The Basics of the North American Steel Grade System http://pmpaspeakingofprecision.com/2009/11/03/the-basics-of-the-north-american-steel-grade-system/ Sensemaking for the precision machining industry Sat, 19 May 2012 01:45:41 +0000 hourly 1 http://wordpress.com/ By: Basics of the North American Steel Grade System- Carbon « Speaking of Precision Blog http://pmpaspeakingofprecision.com/2009/11/03/the-basics-of-the-north-american-steel-grade-system/#comment-98 Tue, 10 Nov 2009 10:02:12 +0000 http://pmpaspeakingofprecision.com/?p=1111#comment-98 [...] first 2 digits give us an idea about whether the grade is a plain carbon or alloy steel. See our post here. So 1018 is a plain carbon grade;  1137 is a resulfurized carbon steel; 4140 is an alloy [...]

]]> By: speakingofprecision http://pmpaspeakingofprecision.com/2009/11/03/the-basics-of-the-north-american-steel-grade-system/#comment-93 Thu, 05 Nov 2009 23:32:12 +0000 http://pmpaspeakingofprecision.com/?p=1111#comment-93 Thanks Jim. We’re all about giving you “Tools You Can Use!”

]]> By: Jim Hagen http://pmpaspeakingofprecision.com/2009/11/03/the-basics-of-the-north-american-steel-grade-system/#comment-91 Thu, 05 Nov 2009 11:26:11 +0000 http://pmpaspeakingofprecision.com/?p=1111#comment-91 Thank you for the primer on steel grades. I appreciate having an easy reference around.

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