Sep 23, 2014 #1 ingvvt Chemical Sep 23, 2014 1 Our specification just consider SB-359 for tube material (chiller) and the supplier is using SB-75.
Oct 1, 2014 #2 GenB Mechanical Oct 24, 2003 1,362 its the same material. 75 is before finning, after finning is 359, if supplier is giving finned tube, they're using the wrong name spect Upvote 0 Downvote
its the same material. 75 is before finning, after finning is 359, if supplier is giving finned tube, they're using the wrong name spect
Oct 2, 2014 #3 EdStainless Materials May 20, 2004 16,320 Your supplier is buying SB75, like he should. But he should then be re-certifying to SB359 after he fins it. If all he is trying to do is hand you the original SB75 cert then he has skipped some testing that he should be doing after fining. = = = = = = = = = = = = = = = = = = = = Plymouth Tube Upvote 0 Downvote
Your supplier is buying SB75, like he should. But he should then be re-certifying to SB359 after he fins it. If all he is trying to do is hand you the original SB75 cert then he has skipped some testing that he should be doing after fining. = = = = = = = = = = = = = = = = = = = = Plymouth Tube
