Tubing & Casing Couplings

OVERVIEW

Westcan carries an extensive inventory of tubing and casing couplings covering the full range of API sizes, grades, and thread forms. Couplings are sourced from API 5CT certified manufacturers and held to strict dimensional and thread inspection standards. Whether you need EUE, NUE, BTC, LTC, or STC, our warehouse ships fast.

KEY FEATURES

Durability: Made from tough heat-treated steel, these couplings are designed to withstand high pressures and corrosive fluids.

Pressure-Tight Connection: They create a secure, pressure-tight connection , essential for downhole safety and efficiency.

Corrosion Resistance: These couplings are resistant to H2S, and high salinity fluids, providing longer operational lifetimes.

Ease of Installation: Compared to traditional connectors, API 5CT couplings mitigate the risk of thread galling.

Material Quality: They offer superior material quality, tighter tolerances, and better resistance to fatigue and corrosion compared to older or non-API certified couplings.

These features make API 5CT tubing couplings an ideal choice for oil and gas drilling and well construction, ensuring the structural integrity of tubing strings and avoiding costly downtime.

APPLICATIONS

Casing string connections

Salt-water disposal wells

Injection wells

SPECIFICATIONS
STANDARD	API 5CT / API 5B
OD RANGE (TUBING)	2-3/8" to 4-1/2"
OD RANGE (CASING)	4-1/2" – 13-3/8"
THREAD TYPES	TUBING - EUE/NUE, CASING - LTC/STC/BTC
GRADES	J55, K55, L80, P110
SURFACE TREATMENT	Phosphate, Nickel Coated, Polymer Coated
INSPECTION	Thread gauge + visual per API 5B
MARKING	Grade, size, and heat stamp