... to 60mm 2.Outer Diameter: 15mm to 610mm 3.Application:Oil & Refinary Stainless steel pipe bending1.Range:15 NB TO 1200NB 2.Sch ... A/SA 312/376/358 CL 1,CL 2& CL 3.4.Grade:304,304L,304H,309S,309H,310S,310H,316 ... ,316H,316L,316LN,317,317L,321,321H,347,347H,904L. Stainless steel pipe bending