Specfication:DN10-DN2000 Standard: ASTM, ASME,API,DIN,EN Material:CS,SS,AS Species:WN, SO, PL, SW, TH, LJF Flanges flange1. Name:Flange2. Size:DN10-DN20003. WT:SCH5-SCH160,XXS4. Species: WN, SO, PL, SW, TH, LJF and non-standard flanges according to customers need5. Standard: ANSI/ASME B16.5, DIN, MSS, JIS, EN6. Material: Carbon Steel:ASTM A234 WPB / A420 WPL3/ A420 WPL6/ MSS-SP-75 WPHY 42/46/52 / ...