In order to best meet client's needs, all of our operations are strictly performed in line with our motto 'High Quality, Competitive Price, Fast Service' for Ck20 Rolled Tube, S45C Chrome Plated Steel Tube, Ck20 Cylinder Barrel. Our solutions have national accreditation standards for experienced, premium quality items, affordable value, was welcomed by people around the globe. Over the past years, our company has developed into an outstanding representative of the industry through honest operation and scientific planning. You may be assured that we shall use our best endeavour to execute every order to our customers' satisfaction.
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 take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for E355 Cold Drawn Seamless Steel Tube for Hydraulic Cylinder. We have introduced a variety of advanced technologies and processing equipment to ensure the quality of our products! Our company attaches importance to the development of emerging markets and the core competitive value of overseas industrial chain so that increasing investment and business layout in domestic and foreign markets, and conducting better resource allocation.
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