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JST mainly produces oil and gas pipelines, such as casing, tubing, line pipe, drill pipe, high pressure boiler pipe, marine pipe, cylinder pipe, hydraulic prop tube, fluid pipe, structure pipe, API pipe, alloy pipe, API 5L line pipe, API 5CT OCTG casing and tubing, API 5DP drill pipe, and other seamless steel tubes and various special tubes.

  • API 5L Line PipeAPI SPEC 5L line pipe is a kind of steel pipe used for transporting materials through pipelines across the country. This seamless line pipe can be used to transport petroleum, natural gas, oil and water. It is a durable pipe that must meet certain...
  • API 5CTJST non API series steel pipes mainly include anti-H2S corrosion tubing and casing, CO2 corrosion resistant tubing and casing, collapse resistant casing, ultra high-strength casing, heavy oil thermal pipe and perforating gun pipe. In order to ensure the quality of those ...
  • JST Special Series of Tubing and CasingJST special series tubes mainly include anti-corrosion tubing and casing, oilfield seamless steel tube, anti-H2S corrosion tubing and casing, CO2 corrosion resistant tubing and casing, collapse resistant casing, ultra high-strength casing, heavy...
  • API 5DP Drill PipeAPI 5DP SPEC drill pipe is a kind of steel pipe with screw thread in the pipe end. It is used for connecting ground rig equipment and drill grinding equipment at the bottom of drilling wells. The main purpose of drill pipes is to transport drilling mud to...
  • Anticorrosion Steel Pipe3PE anticorrosion steel pipe includes seamless steel pipe, spiral steel pipe and straight seam steel pipe. As a three layer polyethylene coating (MAPEC) external corrosion resistant pipe, it is commonly used both domestic and abroad. Three-layer...
  • International StandardThere are many international standards for steel tubes, such as ASTM/ASME standard, EN standard, DIN standard, JIS, and so on. ASTM refers to American Society for Testing and Materials. ASME is the abbreviation of American Society of Mechanical...
  • Steel Tube ApplicationsSeamless steel pipe is made of an alloy of iron, carbon and other elements. With hollow section, it is often used for conveying fluid, such as petroleum, natural gas, coal gas, water and kinds of solid materials. Compared to round steel and other solid steel materials, this steel tube has light weight and is an economic steel profile...
  • Steel Tube ProcessThere are different processing methods or production methods for our seamless steel pipes, including hot rolling, cold rolling or cold drawing, dressing or finishing, upsetting, threading and heat treatment. Established in 1984, Jiangyin Changjiang Steel Tube Making Factory has been engaged in manufacturing seamless pipes...
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