Leo Lee

Hydraulic Cylinder Technologies
Last Updated: November 23, 2022
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Honed hydraulic cylinder tube is the most important material in hydraulic cylinder industry. It is mostly used for producing and repairing hydraulic cylinders. Because the quality performance of the cylinder is greatly determined by the quality of honed tube, so it is very important to get high quality honed cylinder tubes from high quality honed tube suppliers.

There are many honed cylinder tube suppliers in the world, the quantity should be nearly 300, as I know there are more than 100 of China honed tube suppliers till the year of 2018. Some of the honed tube suppliers provide high quality and reasonable prices, but some of the suppliers provide very low prices but with bad quality. Buyers will easily be attracted by the low pricing, but finally they will get into trouble because of quality problems. So how could we find reliable honed tube suppliers with high quality and competitive pricing?

Here I’d like to share 6 best honed tube suppliers in different countries in the world.

1. CRC Distribution Inc.

CRC Distribution is a supplier of hydraulic cylinder products and an authorized distributor of Orkot® composite materials. They have extensive inventories of chrome plated rod, steel honed tubing, hydraulic cylinder components & seals, and rotary seals.

Their access to sealing products from leading global manufacturers like Trelleborg Sealing Solutions, Hallite Seals International, Fugesco, Freudenberg-NOK, and Merkel enables us to provide the highest quality products while delivering local support and personalized customer service to our customers.

2.Team Tube LLC

In United States, the best supplier of honed tubes is Team Tube LLC, here below is their introduction.

A group of friends, each with years of experience in the steel service center industry, started Team Tube LLC in 1995 in the Pacific Northwest. The focus of the new company was to provide rapid, reliable, and knowledgeable service with a full range of round steel tube and bar inventory to meet the needs of the market.

Team Tube LLC is the leading manufacturer and supplier of honed tubes in USA. Its products including honed cylinder tubes, chrome plated bar, CDS tubes, chrome plated tubes, DOM tubes and so on.

TEAMTUBE opened its first location in Portland, Oregon to specifically serve the tube and bar product needs of a number of different industries including the logging industry and fluid power manufacturing and repair industry in the area. The demand for its products quickly allowed them to expand to a second location in Seattle, Washington. The addition of another service center enabled them to efficiently provide rapid deliveries and serve the entire Pacific Northwest region with “instant steel” for their core products.

While growing to serve businesses ranging from small machine shops to major manufacturers in the metal industry, they have been able to maintain our original vision of providing “instant steel”, while focusing on customer needs and their core products, round mechanical tube and bar. This has empowered their growth as they have expanded across the country.

3. Skyline Precision Steel Pipe Manufacturing Co., Ltd

As one of the best China honed tube manufacturer and suppliers, Skyline Precision Steel Pipe Manufacturing Co., Ltd produces and supplies high precision steel honed tubes, honed tubing, chrome plated bar and chrome plated tubes for hydraulic applications for more than 20 years.

Skyline’s factory was established under modern management system and technologies in the year 1996. Till today it has more than 20 years’ experience in manufacturing honed tubes and other precision steel tubes.

Skyline’s honed tube factory covers an area of 40,000 square meters and a building area of 30,000 square meters, of which the production plant area is 25,000 square meters.

Skyline Pipes produces cold drawn seamless tubes, honed tubes / honed steel tubing, hydraulic cylinder tubes of more than 20,000 tons, and manufactures hydraulic piston rods of 500 thousand meters.

Besides hydraulic cylinder tubes, Skyline also produces high quality chrome plated bar and chrome plated hollow bar/ chrome plated tube for cylinder applications.

4. Salem Steel NA

Salem Steel NA is an industry leading supplier of premium quality tubing and bar, used for hydraulic cylinder application. After cold drawing and heat treating, our cylinder tubes will have the ID’s honed or skived and roller burnished (SRB) depending on your preference. Suitable to hone or SRB are also available with tolerances and guaranteed cleanup to be negotiated, depending on your requirements. We only work with ISO certified mills who undergoe a thorough audit by Salem’s quality manager. These mills processing and inspections meet or exceed the U.S. standards.

5. Tubular Steel, Inc.

Tubular Steel is a leading national distributor of carbon, alloy and stainless-steel pipe, tubing and bar products. They have over 60,000 tons in stock at our seven regionally located service centers. Honed cylinder tubes, DOM tubes, CDS tubes are their main product lines.

The honed tube suppliers introduced are the leading and best companies in its own market, and they also export their products to many of the customers in other countries. I will keep updated about the honed tube suppliers' information.

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What is a Multi-stage Hydraulic Cylinder?

Telescopic hydraulic cylinder brief introduction

Multistage hydraulic cylinders are known as Telescopic hydraulic cylinders also. It is composed of two-stage or multi-stage piston cylinder, mainly composed of cylinder head, hydraulic cylinder barrel, sleeve, piston and other parts.

Our factory produces OD chrome plated honed tubes for telescopic hydraulic cylinder manufacturing and repairing.

There are inlet and outlet ports A and B at both ends of the hydraulic cylinder barrel. When oil is fed into port A and oil is returned to port B, the first-stage piston with a larger effective area is pushed first, and then the smaller second-stage piston is pushed. Because the flow into the A port remains unchanged, the piston with a large effective area has a low motion speed and a large thrust; otherwise, the motion speed is high, and the thrust is small. If oil is supplied to port B and oil is returned to port A, the secondary piston will first return to the end point, and then the primary piston will return.

The characteristics of the telescopic hydraulic cylinder are it can be stretched very long when it is working, and it can be shortened when it is not working. It is suitable for occasions where the installation space is limited, such as the telescopic boom of a crane.

When the telescopic hydraulic cylinder is extended step by step, the effective working area gradually decreases. When the input flow is constant, the extension speed increases gradually; when the external load remains constant, the working pressure of the hydraulic cylinder gradually increases. The extension of the single-acting telescopic hydraulic cylinder depends on the oil pressure, and when it contracts, it depends on its own weight or load. Therefore, it is used for occasions where the cylinder body is inclined or rotated vertically.

Chrome Plated OD Honed Tubes for Telescopic Hydraulic cylinders

Honed tubes are the main material for manufacturing hydraulic cylinders, while chrome plated rod is the main material for manufacturing hydraulic piston rods. When manufacturing a telescopic hydraulic cylinder, every moving stage of the cylinder is acting as the hydraulic cylinder barrel and also act as the cylinder rod. So, to manufacturing a telescopic hydraulic cylinder, we will need to use the chrome plated tube with inner diameter honed and outer diameter chrome plated.

The smooth inner diameter of the chrome plated tube act as the hydraulic cylinder barrel, and the outer diameter of the tube is ground, polished and chrome plated, which can act as the cylinder rod of another stage.

Telescopic Hydraulic Cylinder Tube Suppliers

Our factory produces full size range of honed tubes with OD chrome plated for telescopic hydraulic cylinders. The materials available in SAE 1020, SAE 1026, ST52.3, E355 and CK45.

Besides chrome plated tubes, we also produce the below products.

  1. Chrome plated shafts / chrome plated rods
    2-1. CK45 Chrome Plated Rod | CK45 Hard Chrome Bar | CK45 Chrome Rods
    2-2. 1045 Chrome Plated Rod
    2-3.  4140 Chrome Plated Rod | 4140 Chrome plated bar
    2-4. Induction hardened Chrome Plated Bar
  2. Honed cylinder tubes
  3. 4140 honed cylinder tubes | 4140 hydraulic cylinder barrel
November, 23 2022
What to Expect When You Get Offshore

The offshore industry is unique in that you will spend weeks away from home on an oil rig.

At Global Resources Network, we support clients with oil rig recruitment for drill crew. If you’re interested in pursuing a career in the offshore oil and gas industry, it is important that you know a bit more about what day-to-day life on the job is like. Offshore work is not for everybody, but if you don’t mind hard work and spending time away from home, the rewards to the job can be completely worth it! Here is what to expect when you get offshore.

Arriving on an Offshore Drilling Rig

Offshore drilling rigs are miles from shore and generally require a helicopter to transport you on site. And once you arrive, you’ll be joining a crew of up to 100 people! If you are recruited through us at Global Resources Network, you will be part of a drill crew.

Your experience of arriving offshore will vary depending on the company and oil rig, but you will be allocated a cabin for living in. Cabins usually sleep one to four people and have shared bathrooms between rooms. This can take some getting used to when you first arrive offshore, however most people quickly adapt! There are some nice benefits though - living conditions offshore usually meet a high standard, laundry and cleaning is done for you, and all meals are provided!

And one of the most frequently asked questions about life offshore… Is there wifi? The answer is yes, most oil rigs operating offshore will have internet access! However access may be limited.

Working Hours and Shift Patterns on an Oil Rig

When you’re working offshore, you will not follow a typical 9-5 working day pattern. Once you secure your offshore job in the oil and gas industry, you will be given more information on how your shift pattern will look during the oil rig recruitment process! But usually, the working shift while on the rig is 12 hours ‘on’ and 12 hours ‘off’. Because the rig is in operation 24 hours a day, 7 days a week, patterns will often include both day shifts and night shifts. This is the case for drill crew and other offshore oil and gas jobs.

While you are working offshore, you work without a day off. Although this means hard work and long shifts, most jobs offshore operate on a rotation basis. Therefore, you generally work full time for a specified number of weeks and then you have the same number of weeks off. Across rigs in the North Sea, the rotations are usually 2 or 3 weeks offshore then 2 or 3 weeks onshore where you are completely off work.

Because you are away from home and working in specialised and technical environment, the pay is almost always higher than comparable jobs onshore! This is one of the greatest benefits to taking an offshore job in the oil and gas industry.

We hope this gives you some insight into what to expect when you get offshore! At Global Resources Network, we are specialists in recruiting for the offshore drilling industry. The support for our candidates is unparalleled across offshore recruitment agencies. We are currently looking for personnel to fill a number of drill crew jobs. Please contact us if you are interested in working in the offshore drilling industry and would like to know more about how we can help you!

November, 17 2022
What Offshore Drilling Jobs Are Available?

The Oil and Gas industry and the Energy industry as a whole are two enormous cornerstones of the global economy. We, quite literally, could not live without them. It is therefore unsurprising that the jobs offered range from the highly specialised to more well-known, traditional roles. Moreover, the same is true within the Offshore Drilling arm of the industry. To help you decide where your skills and interests could take you within Offshore Drilling, we have compiled a list of drilling jobs available. Find out where your future lies!

Drill Crew

The Drill Crew are the people who are physically out on the rigs, operating machinery and undergoing maintenance to ensure everything runs smoothly and safely. They are specialist workers who work alongside people in all sectors of the Offshore Drilling industry. Additionally, they can work on or offshore, or even subsea. There are a wide range of positions within the Drill Crew, from Floorhands and Derrickmen to Drillers to Roustabouts and Rig Managers, and many more in between. Drill Crew is the most common area within offshore drilling jobs.

Marine/MODU

MODU stands for Mobile Offshore Drilling Unit, and there are several types: jackups; fixed-platform rigs; semi- and full-submersible rigs; ultradeepwater units; Tender Assist Drilling units; and conventional barge- and ship-shaped rigs. These units are staffed by a range of people who work at sea. A considerable amount of engineers work in this section of the industry: Hydraulic Engineers; Barge Engineers; Subsea Engineers; and more. Additionally, they are staffed by Seaman and a number of Safety Coordinators to ensure everything is carried out to the highest standard whilst miles from mainland assistance.

Maintenance

All of the equipment and machinery involved in Offshore Drilling is incredibly delicate and specialised, and therefore requires constant upkeep. Whether it be drill casings, cyber drill operation technology, or the rig itself, it is vital that every part functions. This is where the Maintenance team comes in. This sector is made up of highly skilled and specialist electricians, welders, technicians and mechanics. Together, they enable the rigs or ships to remain well-oiled machines! It is critical to have these team members and they make up many global offshore jobs.

Support Crew

Of course, there are many other jobs in Offshore Drilling that are perhaps more traditional such as HR, Finance, and Marketing. There are also roles that can transfer easily such as Painters, Medics, Radio and Crane Operators, and Foremen. These provide a route into this industry for many, many people who may never have considered a career in Offshore Drilling before. No industry can function without a solid Support Crew, after all.

The future of jobs in Offshore Drilling…

As it stands, these are the core groups of career opportunities within Offshore Drilling. However, the oil and gas industry as a whole is already undergoing enormous changes thanks to growing technology. There are therefore many new offshore drilling jobs emerging. Developments in Artificial Intelligence and Robotics are greatly improving the science involved in drilling, as well as hugely changing the face of Engineering. For example, 3D Printing is now a big part of Technician work as it vastly speeds up repair work. Furthermore, Infrastructure and Logistics are running more smoothly and with more automation, meaning there is more time to focus on the creative, problem-solving aspects of these drilling jobs.

Moving forward, My Energy Future estimates that, by 2025, there will be around 4,500 people working in careers that currently do not even exist! The oil and gas industry has always embraced change, and we think employment in the next few years will perfectly exemplify that fact.

Interested in a Career?

If any of the above seems interesting or appealing to you, have you considered a career in Offshore Drilling? As the sole recruitment agency for Offshore Drilling in the North Sea, we have vacancies across all these branches of the industry, such as roustabout jobs in the North Sea. Contact us today for expert knowledge about offshore drilling jobs.

November, 17 2022