... T95 CASING STEEL PIPE Casing: OD 4 1/2"- 20" Tubing: OD 2 3/8" - 4 1/2" OCTG Petrol Specification: Outer Diameter: Casing: OD ... .62mtr-10.36mtr), R3(10.36mtr or longer)Quality Standard & Steel Grade:SY/T 6194; API 5CT;BS EN ISO 11960 ... , C75, L80, C90, C95, T95, P110, Q125, FS140 API 5CT casing steel pipe