Details

Description

Description for External-upset tubing coupling

Specifications :1.900”  2-3/8”  2-7/8”   3-1/2”   4”   4-1/2”

Steel Grade : J55   K55 

Thread Type: External-upset EUE 

Main Parameters : 

For 1.900” the taper is 1/16; thread pitch is 10 teeth per inch; thread height is 0.0556(+0.002 -0.004) inch.

For 2-3/8”, the taper is 1/16; thread pitch is 8 teeth per inch; thread height is 0.0713(+0.002 -0.004) inch.

For 2-7/8”, the taper is 1/16; thread pitch is 8 teeth per inch; thread height is 0.0713(+0.002 -0.004) inch.

For 3-1/2” the taper is 1/16; thread pitch is 8 teeth per inch; thread height is 0.0713(+0.002 -0.004)inch.

For 4” the taper is 1/16; thread pitch is 8 teeth per inch; thread height is 0.0713(+0.002 -0.004) inch.

For 4-1/2” the taper is 1/16; thread pitch is 8 teeth per inch; thread height is 0.0713(+0.002 -0.004) inch.

Product Character:

1  Product is API 5CT/5B standard.

2  Material has excellent performance in hardness and anti-collapse (Charpy test).

3  High machining accuracy, with strict internal control precision.

4  Excellent anti-adhesion performance on thread 

5  Surface has highly polished coating with clearly color band identification.

6  Whole package is easy to transport and storage with waterproof and shock-free technic.

7  The price is reasonable.