... to 72 inch thickness : sch 5 to sch 130 Buttweld seamless and welded: These are available in different forms that include ... SR elbows, 90 reducing elbows, 45 elbows, tees, reducing tees, concentric reducers, eccentric reducers, caps, stub ends, crosses, reducing crosses, 180 ... elbows, tees, crosses, couplings, reducers, inserts, caps, union etc. titanium reducer