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Hangzhou Matech Steel Company Limited
Tel: +86-571-28350111
Fax: +86-571-86693517
Email: sales@matech-steel.com
Add: Floor 10, Xixi Vally E-Building, Xihu District, Hangzhou, Zhejiang province, China
J55 and K55 Casing Pipe

J55 and K55 Casing Pipe

J55 and K55 Oil Casing in API 5CT 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. Heat treatment PSL1 requirements: J55 and K55 same way (can be rolled-state...

J55 and K55 Oil Casing in API 5CT

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.

Heat treatment

PSL1 requirements: J55 and K55 same way (can be rolled-state delivery); 
PSL2 requirements: J55, K55 product should be normalized or normalized and tempered overall, if thick, should be normalized or normalized and tempered after thickened.

Tensile test

Data

yield strength

tensile

minimum elongation

J55

379MPa ~ 552MPa

≥517MPa

19%

K55

379MPa ~ 552MPa

≥655MPa

15%

Impact test

J55 and K55 impact test must be done, the minimum size of the sample lateral impact energy 20J, the smallest full-size sample longitudinal impact energy 27J.

Wall thickness detection

PSL1: J55 and K55 for measuring the wall thickness of no coverage requirements; 
PSL2: J55 and K55 for wall thickness measurement and recording deal with the entire length of the best coverage of the surface area of automatic detection system should reach 25%. 

NDT

PSL1: J55 and K55 on the tube did not do destructive testing mandatory requirements; 
PSL2: J55 and K55 for all pipe shall be one or more of the criteria specified in 10.15.5 tested to find the inner surface of the outer surface of the pipe and can receive the level of L4 longitudinal imperfections.

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The main steel grade of API 5CT:

· API 5CT J55

· API 5CT K55

· API 5CT N80

· API 5CT L80

· API 5CT P110

This International Standard is applicable to the following connections in accordance with ISO 10422 or API Spec 5B:

· short round thread casing (STC);

· long round thread casing (LC);

· buttress thread casing (BC);

· extreme-line casing (XC);

· non-upset tubing (NU);

· external upset tubing (EU);

· integral joint tubing (IJ).

Hot Tags: J55 and K55 casing pipe, China, manufacturers, suppliers, factory, wholesale
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    Hangzhou Matech Steel Company Limited
    Tel: +86-571-28350111
    Fax: +86-571-86693517
    Email: sales@matech-steel.com
    Add: Floor 10, Xixi Vally E-Building, Xihu District, Hangzhou, Zhejiang province, China
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