... oil or zinc MaterialCarbon steel: 20#, 16Mn, ASTM A105,Q235,A350LF2, A350LF3,Stainless steel:ASTM A182 F304, F304L,F316,F316L, F317L, F321, F321H, ... F347, F347H, F310, F44F51,S31803, A182, F43,S32750Line Pipe: ASTM A694 F42, ... equal or reducing tee ,CON or ECC reducer,pipe cap ,flange & other steel tube. ♥Feel free to contact us if ...