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  • Perforating Gun Pipe - China

    price: contact company for price

    Perforation is an extremely important technology in the petroleum

    exploration and development. It is also one of means to improve the

    recovery of oil and gas wells. In perforating operations, perforating

    bullets need to use perforating gun pipes or perforating gun barrels as

    gun carrier to position the perforation direction and protect oil casing

    in the explosion process. The requirements for its quality and

    performance, especially its transverse impact toughness requirements are

    very strict. Steel tube for perforating gun is mainly used for producing

    perforating gun body in oil and gas wells. The standards and steel grade

    include API SPEC 5CT, 33Mn2V and 32CrMo4. Perforating gun pipe is

    composed of gun-barrel, spearhead, gun breech, sealing element and other



    1. Steel tube for perforating gun is made from 25Mn2V and 32CrMo4 (30CrMo) materials. After testing, its performance, dimension and inspection all comply with the set requirements. JST products have high dimensional control accuracy and stable performance.

    2. The size of cold rolled perforating gun pipe will change a little after heat treatment and straightening, especially the pipe end diameter will produce a certain amount of reduction. Cutting two pipe ends can solve the problem of pipe end reduction so as to achieve customers’ requirements for the dimensional accuracy and to meet the requirements of technical specifications for steel tube for perforating gun.

    3. The cold drawing unit of JST perforating gun pipe is configured with one φ76 perforated pipe mill, four sets of φ50 perforation units, 28 sets of 5-120 tons cold drawing machines, straightening machine, testing equipment, etc.

    4. We own two professional heat treatment production lines configured with advanced heat treatment equipment, making furnace temperature is equal or less than 5℃ and ensuring stable heating temperature. We also configure the rotating spray cooling system to fully guarantee water quenching uniform cooling of steel tube for perforating gun. There are two sets of Siemens electronic control six roller straightening machine to ensure the straightness of tubing and casing after heat treatment. The two heat treatment production lines for perforating gun pipe can process tubings and casings with the length of equal or less than 13.5 m (φ114-φ406 mm) and the length of equal or less than 12.5 m (48 mm to 180 mm). The annual productions of tubing are 150, 000 tons and 50, 000 tons.

    5. Our proprietary grades allow us to offer the best solutions for each customer’s particular well conditions.

    6. JST steel tube for perforating gun (perforating gun pipe) is manufactured to the most exacting quality standards. We hold a global ISO 9001 registration for our operations, which follow a uniform quality policy and apply a rigorous quality management system.

    Company Contact:

    • Phone: 8651086162910

    • Address: No.709, Zhencheng Road, Lingangxincheng, Jiangyin , Jiangyin,Wuxi City, China

    • Email: Email

    Published date: March 5, 2014 -

    • Business Description: 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 pipes and various special pipes in China. 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 according to customers'

      specific requirements.

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