... Etc. 2) Forged one 3)Export Packing Materials, Grades (stainless steel) Available:1)EN10222-5/DIN17440: 1.4301, 1.4306/1 ... .4307, 1.4401, 1.4404 and 1.4541, 1.4571 etc.2)ASTM SA/A182 F304 ... , PN40, PN64, PN100) Blank Flange, DIN 2573 PN 6 and DIN 2576 PN10 Slip on Welding Flanges, DIN 2631 PN6 ... -80 FlangesSealing Surface: FF, RF, LJ, TG, MF, M and R.T.J. (RJ). Stainless Steel Flanges