I have an offer of 12” Alloy 20 Pipe to ASTM B464, no addition of filler metal 100% radiographed and hydro tested at 500 psi. This has not gone to my client yet!
SB464 also states "Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this...
My client requires 12” Alloy 20 Pipe to ASTM B474 Class 3, single welded employing ER320LR filler, 100% radiographed. I have an offer for 12” Alloy 20 Pipe to ASTM B464, no addition of filler metal 100% radiographed and hydro tested at 500 psi.
Service – Sulphuric Acid 93-98%
Would you...