Supplier of API-5CT Couplings, Casing Pipe and Tubing Pipe, Reaching The Most Stringent Standards.


Oilfield Equipments, Trusted Quality And Service!

Api Couplings

We carry a full size range of 2-3/8” to 20″ API Couplings in J55, K55, N80, P110 grade.

All of our API couplings meet the American Petroleum Institute (API) Specifications 5CT&5B. On ground inventories are available from our Houston Inventory warehouse.

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Oilfield Casing Pipe

API 5CT Casing Pipe is used in different types of horizontal underground boring.

Casing pipe is jacked into an hole in segments and then connected together by welding or by threaded and coupled ends, or other proprietary pipe connectors.

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Oilfield Tubing Pipe

Tubing Pipe is a pipe or hollow cylinder for the conveyance of fluids (liquids or gases).

The terms ‘pipe’ and ‘tubing’ are almost interchangeable, although minor distinctions exist (generally, “tubing” implies tighter engineering requirements than “pipe”).

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Steel Tube Process

You’ll find different processing methods or production methods for our seamless steel pipes, including hot rolling, cold rolling or cold drawing, dressing or finishing, upsetting, threading and heat treatment. JST seamless steel pipes mainly cover structure pipe, fluid pipe, high pressure boiler pipe, high pressure pipe, API pipe, marine pipe, alloy pipe, tubing, casing, line […]

JIS Standard

JIS Standard JIS standards refer to Japanese Industrial Standards. The standardization process is coordinated by Japanese Industrial Standards Committee and published by Japanese Standards Association. This standard is the most important and most authoritative standard in Japan national normes. It specifies the standards used for industrial activities in Japan. The objective of JIS standards or […]

JIS G3455 Carbon Steel High Pressure Pipe

JIS G3455: Carbon Steel Pipes for High Pressure Service Standard: JIS G3455 JST mainly produce different grades of high pressure steel pipes, such as STS 370, STS 410, STS 480, and so on. Applications JIS G3455 high pressure carbon steel pipes are extensively raised for high pressure service. Every person typically discovered the piping with […]

Oil Country Tubular Goods

OCTG stands for Oil Country Tubular Goods and covers certain types of pipes and tubes that meet the prerequisites of the American Petroleum Institute (API). OCTG covers three types of seamless tubes that have been quenched additionally tempered. OCTG drill pipe is heavy, seamless tubing is actually why used in drill strings for rotating the […]

api couplings houston tx

As a major api coupling supplier in Houston, Tx, our goal lives to conform to client and API spec demands for couplings and some other manufactured items while continually improving our work procedures and the effectivity of our lineament management scheme.

Aerospace Equipment

Aerospace tube is a form of seamless steel pipe higher strength and thick retaining wall. It is widely applied in aerospace equipment. There are unique grades of pipes. 10#, 20#, 35# and 45# types are general ink cartridges. 27SiMn, 12Cr1MoV, 10CrMo910, 15CrMo, 35CrMo grades of pipes are alloy steel pipes. 16Mn aerospace tube, different from […]

Boiler and Vessel Pipe

Questionable boiler tube is a type of seamless steel cylinder. The manufacturing method is much like that of seamless tube, but it is manufactured with high requirements of steel. It is often used in high temperature and high pressure conditions and high temperature flue gas and steam allow it to easy to be corroded. JST […]

API Spec 5CT Specification

API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells. Scope: This Standard specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three […]