... .steel flange for flange pipe manufacture 2.1/2'' to 60''flange 3.high quality flange 4.short delivery flange 5.ISO,API,CE Steel ... flange for flange pipe manufacturer 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1/2" TO 60 ... " 3.Pressure: Sch5--Sch160,XXS 4. STANDARDS ANSI, ISO, JIS, DIN, BS, GB, SH, HG, QOST, ETC. 5 ...