drill pipe and collar

Casing:
According with API SPEC 5CT.
Casing threads: Short round thread, length round thread, buttress thread.
Steel grade: J55, K55, L80, N80, C90, T95, P110
O. D. Range from 4-1/ 2" to 13-3/ 8" , W. T. Range from 0.205" to 0.514" .
Length range: R1, R2, R3

API Seamless Steel Pipe Like Tubing
Tubing:
According with API SPEC 5CT
Type: Nonupset tubing, upset tubing, special tubing
Steel grade: J55 N80 L80 and P110
O. D. Range from 1.05" to 4-1/ 2" , W. T. Range from 0.113" to 0.630"

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API Drill Pipe
Drill Pipe:
Accord with API 5D latest edition
Steel Grade: E-75, X-95, G-105, S-135
O. D. Range from 2" ( 60.3mm) to 6" ( 168.3mm)
Type: Internal Upset, External Upset, Internal and External Upset. With competitive price and high quality.

API/ ASTM ERW/ SAW/ SMLS Pipeline
Linepipe:
According with API 5L or ASTM O. D. Range from 1" to 30
Steel grade range from Grade B to X62
Type is seamless, ERW, LASW and SSAW

The above are parts of our products, for details, we invite you to our website.