... ,M65,L80,C90,T95,P110 4.Casing coupling and pup joint are available Casing pipe is used to line the ... according to API 5CT and API 5B. Our oil casing includes seamless casing and ERW casing.OD: 114.3mm –508mmStandard: API SPEC 5CT & ... M65,L80,C90,T95,P110.Specialty: L80 9Cr, 13Cr Casing availableThe max. length of pipe for hydrostatic testing is up ... testing machine is up to 70MPa. API 5CT Casing