Knowledge

EN 10305-1 C45E honed seamless steel tube (1.1191) is a finished cylinder-barrel component, not a raw steel grade: the same C45E steel becomes a diffe

ASTM A519 4140 honed seamless steel tube is the ready-to-assemble barrel of a hydraulic cylinder: UNS G41400 chromium-molybdenum steel for strength an

Honed tube is precision-finished barrel stock designed for hydraulic and pneumatic cylinders, where the bore serves as both the piston seal running su

API 5CT C90 casing is a high-strength quenched and tempered OCTG grade with a yield strength of 621–724 MPa and a maximum hardness of 25.4 HRC. Qualif

Deep well casing is premium high-strength steel OCTG designed for deep and ultra-deep oil and gas wells, typically exceeding 4,000 meters depending on

TP80SS casing with premium connection is a TPCO proprietary severe sour-service OCTG grade manufactured exclusively as seamless casing and supplied in

TP-FJ is a full-flush premium casing connection for 5"–10-3/4" medium- and heavy-wall carbon and low-alloy steel casing. Featuring API Buttress thread

TP-SFJ is a semi-flush, no-coupling premium OCTG connection developed by Tianjin Pipe Corporation (TPCO) for wells with limited annular clearance.

Metal-to-metal gas-tight premium connections are advanced OCTG threaded joints designed to provide reliable gas-tight sealing and high structural stre

API 5CT P110 casing is a high-strength tubular product widely used in HPHT deep wells, with a minimum yield strength of 110,000 psi (758 MPa) and tens

P110 casing with premium threaded connection is a highly reliable OCTG solution for deep wells, ultra-deep wells, high-temperature and high-pressure (

Casing Premium Connections are high-performance API 5CT threaded joints with metal-to-metal sealing and optimized load-bearing design, tested accordin