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API 5CT L80/N80/J55/K55 BTC Casing and Tubing Pipe
Standard for API SPEC 5CT、API SPEC 5B、ISO11960 tubing Application: Used to carry crude oil and natural gas from the oil and gas formation to the surface after drilling completed which is designed to withstand the pressure generated during mining and has an outer diameter of 2-3/8” to 4-1/2.
Casing application :used as well walls for oil and gas Wells.sizes:4-1/2”—20”
Main grades of steel pipe ：J55, K55, N80-1 N80-Q -
API 5L PSL1 PSL2 Gr.B X42 X52 X60 Seamless Steel Pipe Line
Standard: API SPEC 5L、ISO3183、GB/T9711 Grade B X42 X52 X56 X60 X65 By PSL1 PSL2; Application: It is used for conveying gas,water,and petroleum in oil and natural gas industries.
