api spec 5ct , What is API spec 5CT?

API 5CT is standard technical specifications for steel casing and tubing pipes used for oil wells in petroleum and natural gas industries.

According to the API 5CT standard, steel material used for making the pipe billet shall undergo grain refining treatment. This steel shall contain one or more grain refining elements, such as a certain amount of aluminum, niobium, vanadium, or titanium, so that the austenite grains of the steel Grain refinement.

List of 9 Major  api casing pipe manufacturers in China

• Sanjack Petro
  Sanjack Petro, established in 1964, is a comprehensive enterprise integrating design, R & D, manufacturing, and oilfield services.

• Hunan Hengan Weiye Metal Products Co., Ltd.
  API 5L J55 K55 N80 L80 C90 T95 P110 Q125 V150 Seamless Pipe Oil Casing Gas Transmission Pipe Oil Well Pipe

• Shandong Beyond Petroleum Equipment Co., Ltd.
  API Spec 5CT Casing Pipe for Oil and Gas Extraction

• CANGZHOU KAIWEI PIPELINE CO., LTD.
  API 5CT C90/C95/T95 9-5/8" Seamless Steel Oil Pipe Casing

• Shandong Light Fir Machinery Equipment Co., Ltd.
  Casing Tubing API 5CT, J55, N80, R2/R3/API 5b Oil Drilling Equipment

• Wuxi Oilfield Equipment and Tools Group Co., Ltd.
  API 5CT OCTG Seamless Oil Vacuum Insulated Tubing and Casing for Oilfield

• Shandong Xuanlin Metal Materials Co., Ltd.
  API 5CT Eue Btc Thread Q125 OCTG Seamless Oil Casing Pipe, 

• TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.
  High Quality API 5CT Standard Seamless Oil Casing J55/K55/L80/N80/P110/T95/Q125

• Dongying Lake Petroleum Technology Co., Ltd.
  Casing API 5CT OCTG Btc K55 N80 P110

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