We ensure the high quality and excellent performance of the S45C Chrome Plated Steel Tube, ASTM A519 4140 tubing, Chrome Plated Pipe, and resolutely prevent unqualified products from leaving the factory. We always regard our employees as the company's most valuable asset and constantly help them improve their own quality and professional knowledge. The innovation of our core technology has continuously improved the product quality, corporate quality and economic efficiency of the company, thus winning the trust of users. Our company development is based on the work policy of high reputation, high starting point, customer first, and we will continue to explore the market with the majority of users. Service is the foundation of our business, and customer satisfaction is the most important criterion to measure the quality of our work in each department and each employee.
Hydraulic Cylinder Tube Introduction
WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures Cylinder Honed Tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes.Honed Tubes are presicion tubes with smooth inside, they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009,EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.
Hydraulic Cylinder Tubes technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Size and Tolerance:
Working method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (μm) |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |

Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.
Our Advantages
a. Extensive production experience: we are specialized in honed tubes, skived tubes, cold drawn pipe, and chrome bar with an experience of 20 years.
b. Complete production facilities: owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
c. High quality raw material: we mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.
e. Short Delivery time: Usually one container 20 days. We also stock some standard-sized tubes and bars.
f. Safe packing: anti-rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.

Our company's Hot Rolled SAE4140 SAE5140 Steel Hydraulic Cylinder Tube set the strengths of similar products at home and abroad, and at the same time give full play to our own technical advantages. The quality and technology of our products have reached the advanced level of the same industry. We have established a correct business philosophy, developed diversified businesses on the basis of specialization. We hope to establish a more rigorous quality system in design, production and service to meet the needs of different markets.
Hot Tags: hydraulic cylinder tube, China, manufacturers, suppliers, factory, price, St52 Cold Drawn Pipe, downhole motor seamless tube, S20C Cold Drawn Honed Tube, 30crmo 4030 Cold Drawn Seamless Tube, Welding Rotators Positioners, skived tube for hydraulic cylinder






































