galvanized steel tube flang Size: from 1/2 to 200 ... DIN, BS, JIS, EN, JB, GB, HG, UNI, API galvanized steel tube flang Technics: Forged Size: from 1/2 to 200 ... Class1500, Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 Pn16 ... E, H Carbon Steel Flange Non Standard: According to the drawing size from 10mm to 5000mm, weight from 0.5kg to ...