1.Specifications: Size:1.315" to 4-1/2" Grade:J55,K55,N80-1,N80Q,L80-1,L80-9Cr, L80-13Cr,P110 Type of End-Finish:PE,NUE,EUE 2.Product Details: API 5CT Steel Pipe 1.Standard;API SPEC 5CT API SPEC 5B 2.Grade;J55 L80-1 N80 C90 T95 P110 3.Application;extracting petroleum and natural gas 1.Standard;API SPEC 5CT API SPEC 5B 2.Grade;J55 L80-1 N80 C90 T95 P110 3.Application;extracting petroleum and natural gas from a well,Casing serves as walls of a well 4.Lengths;tubing6.1-12.8m Casing 4.88-14.63 pup joint 0.5-6m 5Mechanical Properties: Grade Yield Strength(Mpa) Tensile Strength(Mpa) Hardness J55 379-522 >517 K55 379-552 >655 N80 552-758 >689 L80-1 552-655 >689 23-241 C90 621-724 >689 25.4-255 C95 655-758 >724 T95 655-758 >724 25.4-255 P110 758-965 >862