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- Jiangyin Changjiang Steel Tube Making Factory is founded in 1984, occupying the construction area of 600, 000 m2, fixed assets of 2.5 billion yuan and over 2000 employees. With registered capital of 100 million RMB, JST has become a professional manufacturer of seamless steel tubes and various special pipes in China. ...
- About Us
- Jiangsu New Changjiang Group is a large scale group enterprise founded by China Cheung Kong Tsuen. At present, it possesses over 12,000 in-service employees and net assets exceeding 20 billion yuan. The annual sales exceed 50 billion yuan and taxes are over 10 million. It has become No. 195 in Chinese top 500 enterprises...
- - Group Overview
- Industries involved include metallurgy, port, ship-breaking, manufacturing, real estate, machinery, chemicals, transportation and others. Changjiang Steel Pipe, as one of its subsidiary corporation, is a large enterprise with annual production capacity of 600,000 tons of special seamless steel tubes...
- - Company Profile
- The main production equipment includes Φ76 perforated pipe mill, 4 sets of Φ50 puncher units, 28 sets of 5-120 tons drawing machines, Φ110 Accu-Rolling pipe mill, Φ140 Assel pipe mill, Φ273 Diesel pipe mill, two heat treatment production lines, a dedicated steel tube processing line for petroleum service, and a drill pipe processing line. We can provide custom seamless steel pipes...
- - Brand Development Path
- JST always adheres to the principle of winning the market by quality. Over the years, we insist on manufacturing and supplying the steel tubes according to the enterprise standards that are higher than the national and international standards...
- - FAQ
- JST has its own steel mill. The product gives priority to excellent special steel continuous casting pipe billet. It owns the annual output of 1.3 million tons of pig iron, 15.01 million tons of steel, 700,000 tons of pipe billets, 600,000 tons of bars, 2 million tons of high-quality thread ...
- - R&D Strength
- JST steel pipe R&D center owns advanced steel tube detection equipment. We strictly test the production process and make our products reach the highest level...
- - Project Achievements
- - Why choose us
- JST is located in Lingangxincheng, which is a prosperous modern port city in Jiangyin City, Jiangsu Province. It is bordered by Yangtze River to the north. To the west, it is bordered by Changzhou, Xicheng Expressway and Jiangyin Yangtze River Bridge linking north...
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- News
- Russia is an important strategic market for our company. Our export share is growing continuously. Until July, 2013, we have exported over ten thousands of tons of various seamless steel tubes...
- Products
- JST mainly produces 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 and other seamless steel tubes and various special tubes...
- API Series
- API is the abbreviation of American Petroleum Institute. Established in 1919, it is the first national business association in America. It is also one of the worldwide earliest and most successful business associations to set standards...
- - API 5CT
- API tubing, API 5CT casing and API 5CT coupling stock are indispensable in the well construction. Our API 5CT products have received API 5CT, ISO9001:2000 and ISO14001:2004 certifications. With about 30 years' production experience...
- - API 5DP
- API 5DP 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 the drill bit. It rises up...
- - API 5L
- API 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 specifications and regulations...
- Non API Series
- JST 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...
- - Anti-H2S Corrosion Tubing
- JST H2S corrosion resistance petroleum pipe can be used in corrosion environments with H2S. Currently, about one third of oil and gas wells around the world contain H2S gas. Sichuan, Xinjiang and other oil fields in China all contain H2S gas that can cause stress...
- - CO2 Corrosion Resistant Tubing
- CO2 corrosion resistant tubing and casing is applicable in corrosion environments with CO2. At present, there exist serious CO2 corrosions in China Tarim, Changqing, Sichuan, Jianghan and other main oilfields. Especially in Sichuan and Changqing oilfields, CO2-H2S-Cl ...
- - Collapse Resistant Casing
- Among all kinds of casings, anti-collapse oil casing is the one to go down to the deepest place of well. Thus there are the highest requirements for its mechanical properties and sealing performance. Collapse resistant casing is extensively used for deep or ultra deep wells...
- - Ultra High-Strength Casing
- High strength casing is often used as oil casing widely applicable in deep and ultra deep wells and HP-HT wells (high pressure and high temperature wells). The ultra strength casing is also used for well exploration in other complex geological conditions...
- - Heavy Oil Thermal Pipe
- Steel pipe for heavy oil thermal recovery is used in high temperature environments in heavy oil thermal recovery wells. It is applicable for well conditions with the operating temperature of 350℃ (It is suitable for long-term continuous using oil in thermal-recovery well conditions)...
- - Perforating Gun Pipe
- Perforation is an extremely important technology in the petroleum exploration and development. It is also one of the means to improve the recovery of oil and gas wells. In perforating operations, perforating bullets need to use perforating gun pipes...
- Anticorrosion Steel Pipe
- 3PE anticorrosion steel tube includes seamless steel pipe, spiral steel tube 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 polyethylene ...
- International Standard
- There are many international standards for steel tube, 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 Engineers...
- - ASTM/ASME Standard
- ASTM is the abbreviation of American Society for Testing and Materials. Founded in 1898, ASTM is one of the American oldest and largest nonprofit standard academic communities, predating other standards organizations...
- - EN Standard
- EN standards, also called European standards, have been adopted by one of the three recognized European Standardisation Organisations (ESOs) including CEN, CENELEC or ETSI. It is produced by all interested parties through a transparent...
- - DIN Standard
- DIN stands for “Deutsches Institut für Normung”. It means “German institute for standardization”. Founded in 1917, it is not only a German national standardization organization, but also a member agency on behalf Germany membership in ISO...
- - JIS Standard
- JIS standards refer to Japanese Industrial Standards. The standardization process is coordinated by Japanese Industrial Standards Committee and published by Japanese Standards Association. This standard is the most important and most authoritative...
- Steel Tube Applications
- Seamless 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...
- Steel Tube Process
- There 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...
- Quality
- Since its establishment, JST takes "Quality Determines Survival, Success Depends on Details, Customer Satisfaction is Our Standard" as the quality principle. In order to guarantee product quality, our company configures advanced production ...
- - Certificates
- Jiangsu New Changjiang Group is a large enterprise established by China Cheung Kong Tsuen. Since its establishment in 1972, currently it has more than 12,000 registered employees and owns net assets exceeding 20 billion yuan...
- - Production Process
- The manufacturing methods of seamless steel tube include hot rolling and cold drawing...
- - Online Test
- JST owns eddy current, leakage flux diagnostic machine, ultrasonic, UK UNICORN ultrasonic combined flaw detector, magnetic particle detector, hydrostatic machine and other inspection machines. According to customers' requirements...
- - Physical and Chemical Test
- JST owns direct-reading spectrometer (Germany) and metallurgical microscope (Japan). Impact tester, tensile tester, electro-hydraulic universal test machine and other kinds of machines ensure the stretching, flaring, flattening, crimping of metal specimen...
- - Quality Assurance
- Since its foundation, JST formulates the policy of “Quality Affects the Development, Attitude Leads to Success, and Clients' Satisfaction is Our Pursuit”. In order to ensure the quality of our steel tubes, JST installs advanced manufacturing and inspection equipment...
- - Technical Services
- JST production process complies with PDCA circular total quality management system (TQMS). We strictly control the manufacturing technique of steel tubes. Besides, we can also carry out various inspections fro steel pipes according to customers' requirements...
- - After Service
- Our company possesses a professional after-sale service team with advanced technology and strict discipline. We are capable to provide superior quality and quick after service. JST also has a sound product after-sale technical service system...
- - Cost Savings
- Under the guidance of scientific concept of development, JST effective operating rate and finished product rate of hot rolling are increased year by year. Steel consumption per ton, waste...
- Views
- Jiangyin Changjiang Steel Tube Making Factory is founded in 1984, occupying the construction area of 600, 000 m2, fixed assets of 2.5 billion yuan and over 2000 employees. With registered...
- - Steel-Making Mill
- Jiangsu Changjiang Steel Co., Ltd is a wholly owned subsidiary of Jiangsu New Changjiang Group, first-phase project with 800,000 m2 coverage and 1.5 billion yuan of investment...
- - Tube-Making Mill
- Tube-making mill mainly consists of cold drawing unit, hot-rolling unit, Φ140 Assel-rolling tube unit and Φ273 Diesel-rolling tube unit...
- - Tube Processing Mill
- JST owns four tube processing lines including upsetting line, tubing threading line, casing threading line, drill pipe welding line. The annual production capacity is up to 250,000 tons of tubings and casings...
- - Heat Treatment Mill
- JST has two heat treatment lines, of which the main equipment are quenching furnace and tempering furnace. They can process 150,000 tons steel pipes with the outer diameter...
- - Views of the Mill
- - Key Equipment
- - Products Details
- - Packaging and Transportation
- - Warehouse & Inventory
- Environment
- - Training
- - Work in JST
- JST conscientiously implements the ISO14001 environmental management standards and forms a rigorous environmental control system and thorough environmental constraint mechanism. Our company has gained the health and safety environmental management...
- Careers
- Talents are the important resource of enterprises. JST very focuses on the development and training of the talents. We establish learning organization to encourage employees...
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