MaterialCarbon SteelImpact Tested CSStainless SteelPlate A516 Gr 55 to 70A537 Cl 1 or 2 As CS with supplimentary requirement S5 A240 304 Pipe A106 Gr B A333 Gr 6 A312 TP 304 Flanges A105 A350 LF2 A182 F304 Forged Fittings A234 WPB A765 Gr 1 or 2 A403 WP304 Bolts A194 B7 A320 L7 A320 B8M Nuts A194 2H A194 Gr 4 (S4) A194 M Tubing A179 , A214 A334 Gr 6 A213 TP304 Casting A216 WCB A352 LCB A351 CF8