Sep 1, 2009 #1 BwillieS Mechanical Sep 1, 2009 5 What is meant by the GP1 designation? Ground and Polish? Any info would be great. cheers. Rob.
Sep 1, 2009 #2 metengr Materials Oct 2, 2003 15,478 If this is ASTM F593 Standard Specification, the GP is probably Group 1 designation. Upvote 0 Downvote
Sep 1, 2009 Thread starter #3 BwillieS Mechanical Sep 1, 2009 5 Yes it is the ASTM F593 Standard Specification. Upvote 0 Downvote
Sep 1, 2009 #4 CoryPad Materials Apr 15, 2002 5,192 Group 1, which includes alloys 303, 304, 305, 384, XM1, and XM7. Upvote 0 Downvote
