Casing and Liner Colour Codes

Casing and Liner Colour Codes Colour Codes for New Casing/Liner

All new casing shall be colour coded for yield as per API specifications 5CT.

API Casing/Liner Grade Identification Colour Codes

API Grade

Markings On Pipe Body

Markings on Coupling


One white band

White coupling



One red band and one brown band

One red band

Red coupling with . . .

Restricted Content

Subscribe to view the Content