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Cheap stainless steel casing pipes 1. Materials: stainless steel, such as 201 304 30...
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The implemental standards for the oil casings are API 5CT; the specifications include...
The steel grades of common oilfield API-5CT casing pipe include J55, K55, N80-1, N80Q...
The J55 API-5CT casing pipe is a comparatively low steel grade in oil drilling. It is...
Oilfield Casing Pipes/Carbon Seamless Steel Pipe/Oil Drilling Tubing Pipe Size ...
(1)Steel grade: J55, K55, L80, N80Q, C90, T95, P110 (2)Outside diameter: 4 1/2 ", 5"...