Chengyuan can provide different kinds of casing and tubing, such as high collapse and high temperature casing and tubing, anticorrosion casing and tubing, thermal recovery casing and tubing and so on, which not only have good mechanical properties but also have high sealing property. All of them are designed in accordance with the API Spec 5CT&API Spec5B. 

The casings and tubings in accordance with API Spec 5CT&API Spec5B from Chengyuan are available with the following features: 

Section: 
Seamless and Welded 
Standards: 
API 5CT Specification for Casing and Tubing 
ISO 11960:2004, Petroleum and natural gas industries-Steel pipes for use as casing and tubing for wells 
API Connections: 
STC (short round thread casing) 
LTC (long round thread casing) 
BTC (buttress thread casing) 
XL (extreme-line casing) 
Premium Connections: 

Premium Connection Equivalent of :New VAM, VAM TOP, VAM TOP HC, VAM TOP HT, VAM 21, VAM FJL, NEW VAM TOP, BIG OMEGA, HW-ST, VAM ACE;PH-4,PH-6, SLX, T3SB, BLUE, STL, Wedge 523, Wedge 521, Wedge 511, Wedge 513, Wedge 533; FOX, BEAR, TIGER; NS-CT, NS-CC; OTTM, OTTG; SL HT, SL HC, TS HD, TS HP, BOSS, APEX, SL-FLUSH. And almost any premium & gas tight connection. 

Length: Range 1, Range 2 & Range 3: 
Mill Test Certificates: 
Issued in accordance with API Specification 5CT Eighth Edition 
Additional Third Party Inspection can also be performed on request. 
Grades:  J55, K55, N80, N80Q, L80, C90, C95, T95, P110, Q125, SS95, SS110, 9%CR, 13%CR 
Sizes:114mm to 508mm*4mm to 16mm 
API P110 generally used in deep wells; this grade is not suitable for most sour condensate wells

Cangzhou Chengyuan pipe Co., Ltd.is a professional exporter and reputed supplier of steel pipe and pipe fittings.