... Socket welded dimension conform to ANSI B 16.11 2) Screw thread dimension conform to ANSI ... to: API 5984. Structure features: B.B, Piston Type5. Materials conform to: ANSI/ASTM6. Main materials ... 6DFire-safe Design: API 607/6FA Size:1/4"-4" Material:304(CF8,1.4301)/ 316(CF8M, ... customers' requestToleranceh9,h11,H9,H11FinishBlack; Pickled; No.4; 240#; 320#; 400#; or other polished finishApplicationIndustry ...