45 visiting now: 19 USA USA flag 12 France France flag 10 China China flag 2 Vietnam Vietnam flag 1 Canada Canada flag 1 Germany Germany flag

Highlighted Companies

  • Suzhou Rico Machinery Co., Ltd (China): RICO, a professional CNC machinery company, who integrated research, development and... http://www.ricocnc.com
  • A Hay & Grain Co Inc (USA): involved in international trade import export. At Anderson Hay we offer a wide variety of feed... http://www.anderson-hay.com/


  • Hydraulic Cylinder For Forging Machine - China

    price: contact company for price

    3. Manufacturing capability and cylinder size range

    3.1 Cylinder bore diameter : max ? 1200mm

    3.2 Cylinder length : 10Meter

    3.3 Max lifting capability : 50 Tons

    4. Manufacturing and inspection

    4.1. Cylinder tube size and choice

    4.1.1 According to the cylinder pressure and inside diameter size , different steel tube Would be choosed .

    1. ID ≤ 300mm , cold rolled precision seamless tube would be choosed

    2. 300mm≤ ID ≤ 500mm , hot rolled seamless tube would be choosed

    3. 500mm≤ ID ≤ 1000mm, forged tube would be choosed

    4.1.2 Cylinder tube steel grade : SAE1020 , SAE1045 , 27SiMn , S355JR , S355J2G3

    St52- 3 , SUS304 , SUS316L etc .

    4.1.3 Cylinder tube inside boring and honing , roughness R0.2- R0.3,

    4.1.4 Cylinder tube inside chromating : if necessary , tube inside chromating could be applied

    .

    4.2 Piston rod is a very important part for hydraulic cylinder .

    4.2.1 Piston rod steel grade : SAE1045, 42CrMo4, SUS410 , SUS420, SUS304, SUS316L

    4.2.2 Piston rod chromating and surface hardness .

    Eternal company ensure that every piece piston rod would be surface hardened before chromating ,

    surface hardness is HRC55~60 , Chromating film thickness is 0.03~0.04mm if there is no other specific

    requirements .

    4.3 Seal ring and O ring

    According to the customers’ requirements and working condition , eternal company would choose suitable

    seal ring kit , seal ring brand include : Parker , Merkel , NOK , Guangzhou Rubber institute , Taiwan brand etc . Eternal company would supply suitable seal solution for their customer so that hydraulic cylinder has more

    lifetime , easy maintenance and simple repairing .

    4.4 Tube and flange welding

    The welding on cylinder tube and flange would be Ultrasonic tested every time , the welding seam would be

    cleaned before machining . Eternal company ensure that every welding seam has no any leak during lifetime

    4.5 Assembly and pressure test

    Before hydraulic cylinder is assemblied , every spare parts would be measured and cleaned . After hydraulic

    cylinder is assemblied , pressure test would be carried out one By one , eternal company ensure that testing

    pressure is higher 30% - 50% than working pressure , and pressure holding time 30~60 minutes is necessary . Every piece hydraulic cylinder must be tested completely without any leak .

    4.6 Painting and storage .

    After hydraulic cylinder pass through pressure test , painting is necessary .

    The hydraulic cylinder our company produces is available on 6000 t hydraulic press. The maximum pressure of cylinder is up to 1200 t.


    Company Contact:


    • Phone: 86051080628100

    • Address: No.68 Wanquan Road,Shanquan Village,Zhouzhuang To, Jiangyin, China

    • Email: Email


    Published date: August 14, 2014 -

    • Business Description: Jiangyin Eternal Heavy Industry Co.,Ltd is dedicated in designing and manufacturing all kinds of heavy duty hydraulic cylinders and high accuracy AGC servo cylinders.Our hydraulic cylinders are used in various fields such as Metal forming machinery, Metallurgy machinery, Mining machinery, construction machinery, Hydro project,etc.We have gained ten items of national practical new type patents for our hydraulic cylinders.
      Our company own full set of cylinder processing facilities and test equipments. Cylinder facilities including 13M CNC Honing Machine, 8M Horizontal Lathe, 13M Deep Hole Boring Machine, vertical CNC machining center, display boring and milling machine, frame type CNC machining center,CNC lathe, CNC flame cutting machine, etc.Test equipments including Intelligent pressure test bed, UT defect detector, Magnetic defect detector, Layer thickness meter, etc.
      Max cylinder bore of our cylinders is 1000mm while the max cylinder diameter is 12 meter, and the max test pressure could reach to 50MPa.
      Our hydraulic oil cylinders have been exported to many other countries such as Italy, American, Malaysia, Pakistan, Indonesia, etc. And win good reputation from our customers.
      ETERNAL welcome you to cooperate with us.

    Related listings



    • Haobao As Ridgid Products Tools Plumbing Ht50d 1 2 Electric Pipe Threading Machine
      Haobao As Ridgid Products Tools Plumbing Ht50d 1 2 Electric Pipe Threading Machine
      Power Tools - Hydraulic - Hangzhou Hexun Industry Co.,Ltd. - China - July 17, 2014 - contact company for price

      Feature Compact design for easy transportation All size of threads get processed only in one turn Powerful motor completes a thread in only 18 seconds Versatile design, can be usede as a power drive for many jobs, such as pipe grooving Easy mantaince...

    • Hydraulic Cylinder Assembly Design
      Hydraulic Cylinder Assembly Design
      Power Tools - Hydraulic - Shanghai AnBao steel Co.,Ltd - China - June 13, 2014 - contact company for price

      In the field of mechanical engineering we undertake all design works ( as from the design up to the serial production) . Starting from the customers demands and requirements on the product, we develop the construction in the course of a continuous co...

    • Hydraulic Turbine Francis Type Water
      Hydraulic Turbine Francis Type Water
      Power Tools - Hydraulic - Addnew Hydropower Limited - China - April 24, 2014 - contact company for price

      Francis turbines can be designed for a wide range of heads and flows and are the most common water turbine in use today. The Francis turbine has the characteristics of simple structure, small size, low cost, high efficiency at full capacity ( typical...



    Safe Trade Tips

    • Ask for business references and check them
    • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
    • Verify their business via their local Chamber of Commerce
    • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
    • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
    • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"