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.

Read More

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.

Read More

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”).

Read More

Learn More About Oilfiled Casing, Tubing and Couplings ...

Petroleum Cracking Pipe

Petroleum cracking pipe is a form of strip steel product with hollow section with seam joint around. Being an economic cross section steel material, petroleum cracking tube is extensively used in manufacturing structural and mechanical parts, such as petroleum drill rod, automobile transmission shaft, bicycle frame and steel scaffold used in construction. JST petroleum cracking […]

Mechanical Seamless Steel Tubing

ASTM A 53 Group of standard especially applicable for black and hot-dipped, zinc-coated, welded and seamless mechanical steel pipes. ASTM A519 This standard is perfect for seamless carbon steel and alloy mechanical steel tubing. JIS G3441 Its applicable for alloy mechanical steel pontoons. JIS G3444 This standard is beneficial to carbon steel tubes for general […]

ASTM A213/ASME SA213 Seamless Tube

ASTM A213/ASME SA213: Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater and Heat-Exchanger TubesStandard: ASTM A213/ASME SA213 JST can supply various grades of seamless steel pipes, such as A213T11, A213T12 and A213T22. DescriptionASTM A213 or ASME SA213 seamless tube is applicable to seamless ferritic and austenitic pipes with the minimum thickness in boiler and superheater. It […]

High Collapse Grades Pipe

High Collapse Series (HC) grades exhibit higher collapse resistance than that determined for API 5CT/ISO 11960 products. We provides the High Collapse Series of proprietary steel grades for oil and gas wells where high external pressures are anticipated and collapse resistances higher than API are needed. In addition to uniform external pressures, the reservoir can […]

JIS G3456 Carbon Steel Pipes

JIS G3456: Carbon Steel Pipes for High Temperature Service Standard: JIS G3456 We mainly supply various grades of high pressure steel pipes, such as STPT 370, STPT 410 and STPT 480. Applications JIS G3456 high-pressure carbon steel pipes are extensively used for pressure service, high pressure service and high temperature software. They are typically used […]

ASTM A519/ASME SA519 Structural Mechanical Piping

ASTM A519/ASME SA519: Seamless Carbon and Alloy Steel Mechanical TubingStandard: ASTM A519/ASME SA519The following are the symbol definitions for the various conditions: HR-Hot Rolled, CW-Cold Worked, SR-Stress Relieved, A-Annealed, N-Normalized DescriptionASTM A519/ASME SA519 seamless mechanical steel tubing is actually used as machinery and automobile structural steel line. With the easy bending feature, it is needed […]

JIS G3462 Alloy Steel Tubes

JIS G3462: Alloy Steel for Boiler and Heat Exchanger Tubes Standard: JIS G3462 JST mainly produces different grades of alloy steel pipes, such as STBA12, STBA13, STBA20, STBA22, STBA23, STBA24, STBA25, STBA26, etc. Manufacturing: We adopt seamless steel pipe technology (cold rolling or cold drawing). Applications of JIS G3462 Alloy Steel TubesJST alloy steel pipe […]


That you to meet the customers’ requirements of dimension and quality, we also do reprocessing of our seamless steel pipes. Pipe dressing is just a reprocessing procedure to make rolled products to meet relatively minimalist . performance and requirements of technical conditions. It can be known as precision finishing and includes inspection, cutting, straightening, printing, […]