... K55,API L80,API P110 3.Out Dia casing and tubingStandard: BS,JIS,GB,ASME,ANSI,DINGrade:API J55 ... analyzer/metallographic detector/roughness testing/impact inspection/hardness tester and so on.Production capacity: 300,000 metric tons per ... code,origin,or as required.Loaded in 20',40' container or in bulk. Any of your inquiries would be ... Supplying the best... with the best Supply API casing and tubing