ASTM A352 VS ASTM A216 ASTM A352 VS ASTM A216 kali_0142 (Mechanical) (OP) 31 Jan 18 05:54 HI FRIENDS/RESPECTABLE SIR. 1.PLEASE LET ME KNOW A216 VS A352 WHICH ONE IS COSTLY AND WHY? 2.JUST EXPLAIN TESTING PROCEDURE OF BUTTERFLY VALVES. PLEASE. RE: ASTM A352 VS ASTM A216 DGrayPPD (Mechanical) 31 Jan 18 14:01 Here is a similar post to your question. A352 is used for low temp services and is costlier than the A216 material. http://www.eng-tips.com/viewthread.cfm?qid=56235 "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin RE: ASTM A352 VS ASTM A216 kali_0142 (Mechanical) (OP) 6 Feb 18 05:07 THANK YOU SIR.