Product standard: API SPEC 5CT, SY/T6194
Specification:
Casing
OD: 114.3~508mm (4 1/2" ~20")
Length: 5.5~22.23m
Steel Grade: H40 J55 K55 N80 L80 C95 C90 P110 Q125

Tubing
OD: 48.36~114.3mm (1.9" ~4 1/2")
Length: 8.53~9.75m
Steel Grade: J55K55N80P110

The casing and tubing has passed the API 5CT, API Q1 and ISO/TS 29001 quality system certification The company has completed inspection equipment and advanced inspection measures to carry out ultrasonic test, flux leakage detection, magnetic particle inspection, and hydrostatic test etc. All products are manufactured and inspected according to API SPEC 5CT and 5B standards, and the thread parameter requirement is stricter than API standard by 20%, which gives the product perfect property of anti-galling, anti-slipping and effective performance.