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  Tubing& Casing Coupling

  API oil tubing coupling 1OD: from 2-3/8"- 4 1/2"2. Grades: J55, K55, N80, L80 P110 3. Thread: BTC STC LTC API oil casing pipe co  

  Shandong Dongbao Group Co., Ltd. [Shandong, China]

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  Casing Coupling

  API oil casing coupling1OD: from 4 1/2"-13-3/8"2.Grades:J55, K55, N80, L80 P110 3.Thread:BTC STC LTCWe have implemented stringent quality control tests system to inspect raw materials and examine  

  Shandong Dongbao Group Co., Ltd. [Shandong, China]

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  API Tubing and Casing Coupling

  Sizes from 2-3/8 to 13-3/8 inch. 1) Standard: API SPEC 5CT. 2) Tubing Coupling and Casing Coupling. 3) Material: J55, K55, L80, N80, P110 4) Type: STC, LTC, BC, Special Clearance,  

  Hunan International Economic... [Hunan, China]

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  oil/casing pipe coupling material

  oil/casing pipe coupling material Grade:J55/N80-1Specification(mm):79~168 ~16Standard:API SPEC 5CTApplication:Joints for oil/casing pipe  

  Changzhou Yingcai Metalwork... [Jiangsu, China]

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  oil tubing or casing coupling

  Steel Grade: J55;K55;N80;L80;P110  

  Shandong Dongbao Group [Shandong, China]

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