We follow the complete warehousing and delivery quality inspection procedures to ensure the high quality and high qualified rate of Stainless steel honed tubes, 42CrMo drilling tube, chrome bar. With advanced management concepts, scientific and systematic management methods, flexible operating mechanisms, and continuous technological innovation, we strive to give full play to our advantages and work hand in hand with colleagues from all walks of life to provide our customers with a full range of quality services. We will create great achievements with full enthusiasm and we are confident in the future. No matter how the times develop, we will be meticulous in the pursuit of product quality. On the basis of common development and win-win, we provide customers with all-round services and better solutions.
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
We usually perform being a tangible workforce making sure that we will give you the most beneficial excellent plus the finest selling price for St52 Cold Drawn H8 Srb Honed Tube for Hydraulic Cylinder. Whether in the past, present, or in the future, we always work hard and strive for perfection and adhere the ultimate goal of creating the greatest value for customers. We are keenly aware that if we are to have a better business perspective and promote the long-term development of the company, we must rely on technology to continuously improve our own strength.
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