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N80Q/N801 oil casing pipe is a kind of large diameter pipes, included in API SPEC 5CT...
Product: top quality 13 Chrome 3 1/2 eue casing /tubing coupling Material: H40.J55...
API 5CT J55/K55/N80/P110 Casing Coupling 4 1/2" to 20" Api Casing Coupling ...
Casing Pipe: Technical standard: API SPEC 5CT、API SPEC 5B Product grade: H40、J5...
The steel grades of common oilfield API-5CT casing pipe include J55, K55, N80-1, N80Q...
1.Size:2-3/8" to 4-1/2" 2.Grade:J55,N80-1,N80Q,L80-1,L80-9Cr, L80-13Cr,P11...
(1)Steel grade: J55, K55, L80, N80Q, C90, T95, P110 (2)Outside diameter: 4 1/2 ", 5"...
tubing coupling size:1.05'',1.315'',1.66'',1.9'',2-3/8'',2.7/8'',3-1/2'',4'',4-1/2''。...