Casing OD114.3~508mm (4 1/2 ?20)
Tubing OD48.36~114.3mm (1.9 ?4 1/2)
Product standard: API SPEC 5CT, SY/T6194
The thread parameter requirement is more strict than API standard by 20%, which gives the product perfect property of anti-galling, anti-slipping and effective performance.
We can supply vaious casing and tubing. |