API 5CT Casing and Tubing Coupling Supply
SWS supplies API 5CT casing couplings and tubing couplings for OCTG pipe connection in drilling, completion, production and workover operations.
API 5B Thread Machining Capability
STC, LTC, BTC, NUE and EUE threads can be machined according to API 5B or customer project requirements.
Premium and Customer-Specified Thread Support
Premium or customer-specified thread machining can be supported according to authorization scope, drawings, gauges and project requirements.
Wide Material Grade Options
Available steel grades include J55, K55, N80, L80, P110, Q125, C90, T95, C95, C110, 13Cr, L80-9Cr and L80-13Cr, with special grades available upon request.
Precision-Machined Internal Threads
Internal threads are machined with controlled thread profile, pitch, taper and dimensional accuracy to support reliable make-up and connection performance.
Inspection and Traceability Support
Dimensional inspection, thread gauge inspection, visual inspection, material traceability and marking control can be arranged according to order requirements.
Complete Document Package Available
MTC, COC, dimensional inspection report, thread inspection report, packing list and other project documents can be provided when required.
OEM and Project-Based Coupling Manufacturing
SWS supports standard coupling supply, small-batch production, OEM machining and project-based OCTG coupling orders with export-ready packing.