Since we adhere to the corporate values of innovation, professionalism, and win-win, we perfectly integrate technology and products to provide customers with the latest Piston Rod Chrome Bar, S20C Cold Drawn Honed Tube, S45C Cold Drawn Honed Tube and best services Technology-based and customer-centric are the two advantages of our company. The quality of our products is equal to OEM's quality, because our core parts are the same with OEM supplier. We welcome you to visit our company & factory and our showroom displays various products and solutions that will meet your expectations.
Cold Drawn Hydraulic Cylinder Tubes Introduction
Skived and roller burnished 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. IF you are looking for seamless cold drawn honed tubes or SRB tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.
Cold Drawn Hydraulic Cylinder Tube 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.
Mechanical Properties:
Final Supply | Cold finished | Cold drawn and stress-relieved (BK+S or + SR) | Hardness HB | |||
Parameters | T.S | Elongation | T.S | Y.S | Elongation | |
20# (A106B, ST45, E255) | ≧550 | ≧8 | ≧520 | ≧375 | ≧12 | 175 |
45#(CK45) | ≧650 | ≧5 | / | / | / | 207 |
Q345B(ST52, E355) | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |

Size list: (if you need other sizes, please let us know)

Production process
Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling –honing or skiving – inspection – oiled plated - packing

Relying on the advantages of technology research and development in the field of Cold Drawn Seamless Inside Honing Tube for Hydraulic Cylinder and rich production experience, we can provide customers with one-stop comprehensive solutions such as product design and development, testing, mass production, and follow-up tracking services. We strive to create benefits for the society, with the goal of growing together with society, promoting national economic development, and revitalizing national scientific and technological progress. Our company will take the talented person as the forerunner, the quality as the center and take the customer as the focus to welcome the future. Quality is our life, punctuality is our duty.
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