... 3.Standard:ANSI,JIS,DIN,BS,etc ansi b16.5 socket welding flange1.Material:304 304L 316 316L 321 ... BS,etc1.Materials, Grades (stainless steel) Available:EN 10222-5(DIN17440) 1.4301, 1.4306(1.4307), 1.4401 ... SUS F321 etc2.Mainly Flange Standards Available:1) ANSI B16.5 (150LBS-2500LBS) Blind/ Slip-on/Welding Neck (SCH ... BL, TH, SW), JIS 30K Weld Neck Flange5) BS 10 Table D/E/F/H Flange, BS 4504 Flanges, SABS ...