galvanized steel tube flang Size: from 1/2 to 200 inch ... , EN, JB, GB, HG, UNI, API galvanized steel tube flang Technics: Forged Size: from 1/2 to 200 inch ... , Class1500, Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 ... Pn64 Pn100 Pn160 Type01, Type02, Type05, Type12, Type13 Carbon Steel FlangeBs4504 Sani1123 1000/3, 1600/3, 2500/3, ...