Sucker Rod Coupling of Class T with API standard

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1) Structure of Sucker Rod Coupling of Class T Description

The Class T Sucker Rod Couplings are manufactured as per API Specification 11B. For the thread cutting,using cold form rolled by displacing rather than by removing of material for making the 

coupling thread. The thread rolling cutting results in a compressive stress at the root of the 

thread, giving maximum strength to the traditional weak point of cut-thread couplings.

Our Class T coupling is using AISI 5140 to manufacture. The coupling is coated using phosphate 

chemical treatment. The couplings are available in full size, slim hole and over size.

2) Main Features of Sucker Rod Coupling of Class T

  • High quality and fast delivery.

  • API standard.

  • Best service.

3) Sucker Rod Coupling of Class T Images

4) Sucker Rod Coupling of Class T Specification

Chemical Properties, %: Class T Coupling







AISI 5140






Mechanical Properties: Class T Coupling

Tensile Strength, PSI

95,000 (655)

Hardness Rockwell A


5) FAQ

We have organized several common questions for our clients,may help you sincerely:


①How about your company?

One of the leading manufacturers and suppliers specializing in steel pipe products in China, mainly offering four series steel pipes including welded steel pipe (ERW, SSAW, LSAW and square and rectangle pipe), seamless steel pipe, hot dipped galvanized steel pipe and steel pipe with 3 layer polythene coating. We can provide customers different specification standards e.g. ASTM A53, ASTM A106, BS1387, API 5L, API 5CT, ISO3183 and etc. Our scope of supplying covers from 1/2" to 48" for the outside diameter of welded pipes, and 1/8" to 20" for the seamless pipes. 


Other than steel pipes we are also capable of supplying a wide variety of pipeline accessories, steel pipe fittings; valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

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