API Oil Pipes
The American Petroleum Institute, commonly referred to as API, is the largest U.S trade association for the oil and natural gas industry. It claims to represent about 400 corporations involved in production, refinement, distribution, and many other aspects of the petroleum industry.
Standard API Spec 5L, B, X42, X52, X60, X65, X70, API Spec 5CT (Oil Pipes), API 5D
Drill pipes Grade: E75, X95, G105, S135
Connection:NC26, NC31, NC38, NC40, NC46, NC50, 51/2FH, 6 5/8FH
Heavy Weight Drill pipes Size: 3 1/2″, 4 1/2″, 5″, 5 1/2″
Drill Collar Size: 4 3/4″, 6 1/4″, 6 1/2″, 7″, 8″, 9″, 9 1/2″
Slotted liner and composite screen liner
Grades: pipes is manufactured under PSL 1 and PSL2 requirements.
pipes end: Plain,Threaded, Bevelled
Standard OD tolerance WT tolerance
API Spec 5L OD＜60.3mm +0.41mm,-0.8mm +15%, -12.5%
Special couplings as specified on purchase order.
API 5L tubes (pipes) coatings: sepcificatioin GB and DIN standard
J55, K55,N80, L80 and P110, PSL 1, PSL 2, API 5L, Grade B, API 5L X42, API 5L X46, API 5L X52, API 5L X56, API 5L X60, API 5L X65, API 5L X70, API 5L X80
There are four steel grades (J55, K55,N80, L80 and P110), two categories (nonupset and external upset) and six sizes (1.9″, 2-3/8″, 2-7/8 “, 3-1/2″, 4″, and 4-1/2″) of tubing.
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We have a team of experienced professionals with years of experience in manufacturing.