Shop – EASTAI https://eastaitube.com Wed, 25 Jun 2025 04:55:15 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 https://eastaitube.com/wp-content/uploads/2024/05/cropped-bf8f303625fbb07a0c8f69aba8942b5-32x32.png Shop – EASTAI https://eastaitube.com 32 32 Telescopic Hydraulic Cylinder https://eastaitube.com/product/telescopic-hydraulic-cylinder/ Thu, 30 May 2024 02:52:32 +0000 http://203.86.124.32:3002/?post_type=product&p=2198 jeff@east-ai.cn , we will reply you within 1 working day.]]>

Our Single Acting Telescopic Cylinders are engineered for robust performance, specifically designed to handle 7 tons and 12 tons in inverse applications.

  1. End Cap: Utilizing threaded, high-tensile strength steel for enhanced durability.
  2. Construction: Crafted for longevity, our cylinders are rebuildable, ensuring long-term utility and sustainability.
  3. Seals: We incorporate only the finest quality seals, guaranteeing optimal performance and reliability.
  4. Paint: To combat corrosion, we apply a superior grade paint, proven to offer resistance for up to 360 hours, ensuring our cylinders withstand challenging conditions.

Designed with precision and built to last, our telescopic cylinders provide unmatched reliability and performance in demanding applications.

DIMENSIONAL CHART

 

Interested in our products?

For further details, please reach out to us via the following contact methods:

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

]]> Scissor Hoist Hydraulic Cylinder https://eastaitube.com/product/scissor-hoist-hydraulic-cylinder/ Thu, 30 May 2024 02:42:49 +0000 http://203.86.124.32:3002/?post_type=product&p=2192 jeff@east-ai.cn. We assure you that we will respond promptly within one working day.]]> DIMENSIONAL CHART

DIMENSIONAL CHART

Stroke: 50mm—16000mm

Inside Cylinder Tube Dia: 40 – 1000 mm (1.5 – 40 inch)

Liner material: Copper (prolongs the life cycle of the cylinder)

Hydraulic cylinder tube material: Carbon steel, Alloy steel, Stainless steel

Piston Rod Dia: 12 – 500 mm (1/2 – 20 inch) Hydraulic Piston Rod should be hard chrome plated to a minimum thickness of 35-55 microns and polished to 0.15 um Ra

Chrome Plated: Cr, Ni, or Ceramic

Design Pressure: Max 700 bar (10150 PSI)

Valves: SUN (USA), or a reputable Chinese brand with the same quality as PARKER

Seals Type: PARKER (USA), MERKEL (Germany), or NOK (Japan)

Liner material: Copper (prolongs the life cycle of the cylinder)

Bearings: LONGXI (China) or SKF

Painting: Follow customer requirements or 3-coat marine painting

Application: Shipbuilding, offshore oil & gas engineering, Photovoltaic & wind power, construction machinery (excavator, loader, crane, snowplow, sanitation vehicle), agricultural machinery, hydraulic engineering, heavy machinery

]]> Custom Hydraulic Cylinder https://eastaitube.com/product/custom-hydraulic-cylinder/ Thu, 30 May 2024 02:30:45 +0000 http://203.86.124.32:3002/?post_type=product&p=2173  jeff@east-ai.com , we will replyyou within 1 working day.]]> Not only we could manufacture all kinds of hydraulic cylinders according to the drawing from our customers,but also we could make a design according to customer’s requirements.If you require our engineer to make a design,please advise us the following specification:

  1. Rated pressure
  2. Working pressure
  3. Test pressure
  4. Working condition and environment ,for example ,temperature ,working frequency
  5. Pulling force ,and return stroke force
  6. Pulling and return speed
  7. Assembly size
  8. Seal ring requirements .For example , brand ,seal material etc .
  9. Tube and piston rod raw material requirements
  10. Piston rod surface treatment requirements, for example chroming film thickness,Surface hardness etc .
  11. Painting and other spare parts requirements .

 

 

]]> 34CrMo/34CrMo4 Seamless Steel Tube https://eastaitube.com/product/34crmo-34crmo4-seamless-steel-tube/ Thu, 30 May 2024 01:48:53 +0000 http://203.86.124.32:3002/?post_type=product&p=2171 34CrMo steel gas cylinders are specialized steel cylinders manufactured with stringent specifications. These requirements typically include a lower carbon content and strict control over sulfur and phosphorus contents to ensure the material achieves high strength while maintaining excellent toughness and impact energy. Additionally, these cylinders undergo 100% non-destructive testing to guarantee their integrity and safety.

Applications of 34Crmo,34Crmo4,35Crmo Seamless Alloy Steel Tube

These materials are utilized in critical structural components that operate under high pressure, including gas cylinder pipes, vehicle transmission parts, and engine components. They are also essential in the manufacture of turbogenerator rotors, spindles, heavy-duty drive shafts, and large cross-section parts, where reliability and durability under stress are paramount.

Our main business range is listed as follows:

Carbon Seamless Steel pipe/tube

Hydraulic cylinder tube(Honed tube)

Hard chrome plated rod/bar/shaft(Piston rod)

Ready to honed tube

ST52 Honed tube

Hydraulic Cylinder Barrel

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

Contact：Jeff

]]> SRB (Skived and RollerBurnished) Tube/Pipe https://eastaitube.com/product/contact-me-srb-skived-and-rollerburnished-tube-pipe/ Thu, 30 May 2024 01:42:29 +0000 http://203.86.124.32:3002/?post_type=product&p=2170 jeff@east-ai.cn. Our professional team guarantees a response within one business day to ensure your needs are met in a timely and efficient manner.]]> ST52/CK45/C20 SRB(skived and roller burnished)tube/pipe used for hydraulic cylinder

If you’re interested in purchasing our SRB (Skived and RollerBurnished) Tube/Pipe or require more information, please contact us through the methods provided below.

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

Contact：Jeff

]]> Ready to Honed Tube https://eastaitube.com/product/ready-to-honed-tube/ Thu, 30 May 2024 01:30:36 +0000 http://203.86.124.32:3002/?post_type=product&p=2162 jeff@east-ai.cn. We assure you a prompt response within one working day.]]> Our Hydraulic Honed Tubes conform to the standards of EN10305-1 and DIN 2391.

ready_to_honed_tube
honing_process

The distinction between precision steel pipes and seamless pipes lies in the noticeable difference in dimensional accuracy, which can reach up to 0.1mm.

High-precision steel pipes boast superior surface finishes on their diameters. Customers can utilize them directly without the need for additional processing, unlike ordinary seamless steel pipes that may require lathering and polishing.

Advantages of Our Pre-Honed Tubes

  1. Professional & skilled, ensuring reliability.
  2. Comprehensive one-stop solution.
  3. Ready stock goods for prompt delivery.
  4. Customizable: Non-standard sizes are readily available.
  5. Small quantities are acceptable.

Cash back guarantee: Refund or replacement for any faulty product.

 

 

]]> Linear Motion Shaft https://eastaitube.com/product/linear-motion-shaft/ Thu, 30 May 2024 01:24:22 +0000 http://203.86.124.32:3002/?post_type=product&p=2159 Linear motion (LM) shafts are integral components extensively utilized across a diverse range of industrial applications, including robotics, electronic devices, guide rods, transmission shafts, and pillars. These shafts are pivotal in mechanical sectors such as electronics, packaging, chemical, medical, textile, printing, engineering, transportation, steel, and mining. Additionally, they play a crucial role in the functioning of hydraulic cylinders, operating rods, adjustment rods, linear motion systems, and automation devices.

 

Customized precision shafts, especially those that are induction hardened and can be hollow, cater to specific requirements, offering enhanced durability, strength, and wear resistance. This customization allows them to be tailored for various applications, further broadening their utility in light and heavy industries. Industries like hydraulic pneumatics, printing and packaging, textile printing and dyeing, die-casting machines, injection molding machines, and sliding devices benefit significantly from the specific attributes of these precision-engineered shafts.

 

Their widespread applicability underscores their importance in not only improving operational efficiency and reliability but also in driving innovation within industrial processes. Whether for intricate electronic devices or robust hydraulic systems, LM shafts and customized precision shafts are indispensable in the seamless operation of machinery, underscoring their essential role in modern industry.

If you are interested in purchasing one of our Linear Motion Shafts or need more information, please contact us at

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

Contact：Jeff

]]> SAE4140 Hot Rolled Round Steel Bar https://eastaitube.com/product/sae4140-hot-rolled-round-steel-bar/ Thu, 30 May 2024 01:18:54 +0000 http://203.86.124.32:3002/?post_type=product&p=2154 jeff@east-ai.cn, and we promise to respond within one working day.]]> Description Of SAE4140 Hot Rolled Round Steel Bar

4140 hot rolled bar is a medium carbon alloy steel renowned for its excellent fatigue and impact resistance after heat treatment, making it a versatile material for numerous applications, such as drill collars, chain pins, bolts, and sprockets. As a chromium-molybdenum alloy steel, 4140 HRA can be oil hardened to achieve a high level of hardenability. The presence of chromium ensures deep hardness penetration, while molybdenum contributes to the uniformity of hardness and enhances strength. The flexibility of heat treatment processes for 4140 allows for a broad spectrum of properties, making it highly adaptable to specific needs. In addition to its notable wear resistance, 4140 boasts superior toughness and excellent ductility in the quenched and tempered state. It can achieve impressive mechanical properties, with tensile strengths up to 260,000 psi and yield strengths reaching 235,000 psi, in conditions as hardened as 500 Brinell. This combination of qualities ensures 4140’s place as a highly sought-after steel for demanding applications.

Applications

Typical applications for this grade include drill collars, pins, axles, bolts, and shafts.

4140 Chemical Properties

Our main business range is listed as follows:
Carbon Seamless Steel Pipe/tube
Hydraulic cylinder tube (Honed tube)
Hard chrome plated rod/bar/shaft (Piston rod)
Induction Hardened Chrome Plated Bar
Hollow Chrome Plated Bar
Hydraulic Cylinder

Want to purchase Our hot rolled rounf steel bar? 

Please contact us through below methods for more information.

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

Contact：Jeff

]]> 4140 Hard Chrome Bar https://eastaitube.com/product/4140-hard-chrome-bar/ Wed, 29 May 2024 08:54:04 +0000 http://203.86.124.32:3002/?post_type=product&p=2109 4140 Hard Chrome Bar is engineered for high-load, high-precision applications. Made from 4140 alloy steel, it features excellent tensile strength (up to 850 MPa) and wear resistance.
The surface is treated with industrial hard chrome for superior corrosion protection and smooth performance.
Each 4140chrome plating rod is precision-ground and polished, ensuring low friction and minimal seal wear in hydraulic piston systems.
Widely used in construction, mining, and heavy machinery.
Stable performance. Long service life. Minimal maintenance.

Delivery condition

Hard Chrome Piston Rod
Quenched & Tempered (Q+T) Rod
Induction Hardened Rod
Q+T Induction Hardened Rod
Corrosion resistance:
Test in natural salt spray according to ASTM B 117-96 hours.

FAQs about 4140 Hard Chrome Bar

  1. What is a 4140 Hard Chrome Bar used for?
    It is mainly used in hydraulic cylinders, piston rods, and heavy-duty mechanical parts that require strength and surface durability.

  2. What’s the difference between a 4140chrome plating rod and regular chrome bar?
    4140 rods offer higher strength and toughness, making them better suited for industrial and high-load applications.

  3. Is the 4140 Hard Chrome Bar resistant to corrosion?
    Yes. The industrial hard chrome layer provides excellent resistance to rust, wear, and harsh environments.

  4. Can it be used for hydraulic piston applications?
    Absolutely. Its strength and smooth chrome surface are ideal for reducing friction and extending seal life in hydraulic pistons.

  5. What sizes are available for the 4140 Hard Chrome Bar?
    Common diameters range from 12mm to 200mm, with custom lengths and tolerances available upon request.

Advantages Of Our 4140 Hard Chrome Bars

  • We meticulously manufacture precision material parts in strict adherence to customer-provided drawings, packaging specifications, and quality requirements.
  • We achieve tolerances as tight as +/-0.01mm, ensuring high precision in every component.
  • Our quality assurance is backed by the industry’s most advanced inspection tools to guarantee unparalleled quality.
  • Our team comprises highly experienced engineers and skilled workers, dedicated to excellence in every project.
  • We pride ourselves on fast and timely delivery, ensuring that every order is fulfilled promptly and professionally.
  • We offer expert guidance during the design process, providing valuable suggestions to optimize costs without compromising quality.

Our main business range is listed as follows
Carbon Seamless Steel pipe/tube
Hydraulic cylinder tube(Honed tube)
Hard chrome plated rod/bar/shaft(Piston rod)
Hydraulic cylinder

Contact：Jeff

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

]]> Induction Hardened Chrome Plated Bar https://eastaitube.com/product/induction-hardened-chrome-plated-bar/ Wed, 29 May 2024 08:24:12 +0000 http://203.86.124.32:3002/?post_type=product&p=2092 jeff@east-ai.cn. We promise to respond to your message within one working day.]]>

We Also Produce:

  • Hard Chrome Plated Rod
  • Quenched & Tempered Chrome Plated Rod
  • Induction Hardened Chrome Plated Rod
  • Q+T Induction Hardened Chrome Plated Rod
  • Stainless Steel Chrome Plated Rod/ SS304/316/430/431/2205/17-4PH, etc.
  • Forged Chrome Plated Rod

Advantages Of Our Induction Hardened Chrome Bar

  •  Precision material parts strictly according to customer&request drawing,packing and quality request
  •  Tolerance: can be kept in +/-0.01mm
  •  The most advanced inspector to ensure the quality
  • Experienced technology engineers and well trained workers
  •  Fast and timely delivery. Speedily &professional service
  • Give customer professional suggestion while in the process of customer designing to save costs

Our main business range is listed as follows

  • Induction Hardened Chrome Rod
  • Hard chrome plated rod/bar/shaft(Piston rod)
  • Hollow Chrome Plated Bar
  • Carbon Seamless Steel pipe/tube
  • Hydraulic cylinder tube(Honed tube)

We are committed to providing our customers with the highest quality hard chrome rods and chrome bars. If you’re interested in learning more about our hard chrome rod, chrome plated bars, or hollow chrome bars, please don’t hesitate to reach out for more information through the contact methods provided below.

Email: jeff@east-ai.cn

Tel & WhatsApp & Wechat  : +86 18306172624

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