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


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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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Coupling Connection Failure And Prevention

Most casing failures occur at connections. These failures can be attributed to: Improper design or exposure to loads exceeding the rated capacity Failure to comply with makeup requirements Failure to meet manufacturing tolerances Damage during storage and handling Damage during production operations (corrosion, wear, etc.) Connection failure can be classified broadly as: Leakage Structural failure […]

ASTM Standard

ASTM is the abbreviation of american Society for Testing and Materials. Founded in 1898, ASTM is one belonging to the American oldest and largest nonprofit standard academic communities, predating other standards organizations such as DIN (1917), ANSI (1918) and AFNOR (1926). After a century of development, there are 33,669 (individual and group) members, of whom […]

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 […]

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 […]

EN 10297-1 Seamless Circular Steel Tubes

EN 10297-1: Seamless Circular Non-Alloy and Alloy Steel Tubes for Mechanical and General Engineering Purposes Standard: EN 10297-1 Manufacturing: The steel of seamless round steel pipe is normalizing steel that adopts normalizing rolling technological innovation. Applied RangeEN 10297-1 seamless circular tube is often used in processing machinery, automobile, ship and other spare parts. It can […]

ASTMA210/ASME SA210 Seamless Steel Boiler and Superheater Tubes

ASTMA210/ASME SA210: Seamless Medium-Carbon Steel Boiler and Superheater Tubes Standard: ASTM A210/ASME SA210 We are provide different grades of carbon steel seamless pipes, such as A210A-1, A210C, and so on. Introduction ASTMA210/ASME SA210 seamless steel tube for boiler and superheater is a form of seamless medium-carbon steel pipe with minimum wall wider. It can be […]

Pipes for Voyage

Fortunately, some solid is a kind of seamless steel tube used in voyage equipment. We will certainly make use of grades of steel (10#, 20#, 35#, 45#, 16Mn, 20G, 27SiMn, Cr5Mo, 12Cr1MoV, 12Cr1MoVG, 10CrMo910, 15CrMo, 15CrMoG, 35CrMo, WB36, 42CrMo, 12CrMo, 12Cr2MoV, 40CrMo, 20CrMo and 12CrMoVG) in order to steel pipe for journey. JST can manufacture […]

Steel Tube for Bridge Building

Bridge and building often use seamless structural steel water pipes. We mainly adopt ASME A519 typical. Representative steel grades include 20#, 45#, Q345-Q460, 40Mn2 and 45Mn2. Competitive Advantages Top of steel tube for bridge building is outstanding quality. Will take a very no visible crack, wrinkling, rolling skin and abscission layer by the inside and […]