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...