Jun 15, 2004 #1 jwe123 Petroleum Joined Jun 15, 2004 Messages 1 Location US Please explain F Numbers.....
Jun 15, 2004 #2 Carburize Materials Joined Sep 23, 2002 Messages 702 Location US Read ASME 9 Section QW 430 for a full explanation. Upvote 0 Downvote