... flanges ,socket welding flanges ,blind flanges and so on Materials, Grades (stainless steel) Available:EN10222-5/DIN17440: 1. ... 10(S),SCH 40(S), STD,SCH 80(S) Welding Neck/ Plate/ Socket weld/ Threaded/ Lap Joint ... FlangeANSI B16.47 Series A/B Blind/Weld Neck Flanges2) DIN 2527 (PN6, PN10 ... 2573 PN 6 and DIN 2576 PN10 Slip on Welding Flanges, DIN 2631 PN6, DIN 2632 PN10, ...