• API 5CT Cert.License No.:5CT-0526
  • HSE Cert.License No.:HSE110022R1M
  • ISO 9001:2008 Cert.License No.:00513Q20811R4M
  • GB/T24001-2004 Cert.License No.:06811E20010R1M
  • GB/T28001-2001 Cert.License No.:06811S10011R1M
  • Manufacture License of Special EquipmentLicense No.:TS2713151-2015
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Zhongkuang Steel Pipe

API 5CT Oil Casing Pipe

The steel grades of common oilfield API-5CT casing pipe include J55, K55, N80-1, N80Q, and P110. Casing pipe is mostly used for oil well drilling. In accordance with API-5CT and ISO11960 standard, pipes can be classified as STC (short thread), LTC (long thread) and BTC (buttress thread) accompanied with their couplings. Oilfield casing pipes......

Oil tubing

Executive standards: API spec 5CT, API spec 5B 2. Specification range: 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2" WT: 4.24-16mm Materials: H40, J55, K55, N80, L80, .....

Coupling & Pup Joint

Oilfield tubing pipe can be classified as NUE (nonupset end), EUE (external-upset-end) and IJ (Integral-joint) type, The most common used tubing size are 2-3/8″, 2-7/8″, 3-1/2″ and 4-1/2″. Tubing is one of the important component parts in the production system of a flowing well and is the main channel for oil and gas field development......

API 5L Seamless Pipe

Application structure , low pressure fluid transmission(water pipes),machine manufacture, architecture industry, the metallurgical industry,the furniture, Petroleum,Chemical,Transportation,Gas,as well as the steel domain and so on.

Petroleum Screen Pipe

Shapes:Straight in line pattern,staggered pattern,spiral pattern
Slotted casings with apertures of 0.20~6mm are wide used in sands prevention of oil and wells.
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