Aug 10, 2004 #1 Ding123 Structural Jun 14, 2004 18 US Somebody would like teel me the differences between SA350 LF2, LF2 Cl.1 and LF2 Cl.2? (Flange materials)
Somebody would like teel me the differences between SA350 LF2, LF2 Cl.1 and LF2 Cl.2? (Flange materials)
Aug 10, 2004 #2 codeeng Petroleum Feb 9, 2004 365 CA There is no Class 1 or Class 2 for LF2. LF2 is classified as a Group 1.1 material per B16.5 though. Upvote 0 Downvote
Aug 10, 2004 2 #3 metengr Materials Oct 2, 2003 15,478 US The difference between Class 1 and Class 2 in accordance with ASME SA 350 for LF2 is Charpy impact requirements for LF2 Cl.1 - the minimum Charpy impact is 15 ft-lbs @-50 deg F for LF2 Cl.2 - the minimum Charpy impact is 20 ft-lbs @0 deg F Upvote 0 Downvote
The difference between Class 1 and Class 2 in accordance with ASME SA 350 for LF2 is Charpy impact requirements for LF2 Cl.1 - the minimum Charpy impact is 15 ft-lbs @-50 deg F for LF2 Cl.2 - the minimum Charpy impact is 20 ft-lbs @0 deg F
Aug 11, 2004 #4 codeeng Petroleum Feb 9, 2004 365 CA I guess this is what happens when you don't have the latest standards on hand! Sorry. Upvote 0 Downvote
Feb 22, 2005 #5 Larry617 Mechanical Jan 11, 2005 4 CA As an additional follow up. If any one is trying to register vessel design in Canada, using SA-350-LF2. You must state the class of this materail on your BOM's and drawings. Your design may be rejected due to failing to fully discribe the materail being used. "I 'Quack' therefore I AM" Upvote 0 Downvote
As an additional follow up. If any one is trying to register vessel design in Canada, using SA-350-LF2. You must state the class of this materail on your BOM's and drawings. Your design may be rejected due to failing to fully discribe the materail being used. "I 'Quack' therefore I AM"
