Hi,
I have a question about the pipe material ASTM A381 Y65, this material is not into the section IX of ASME BPVC neither into ASME B31.3 table A-1. In ASME B31.3 table A-1 appear ASTM A381 from Y42 to Y60.
Someboby could help me to understand the reason why this material is excluded from...