In the process of seeking cooperation, we are not blindly pursuing economic benefits but strive to solve the actual needs of customers with intrinsic specific value of the Precision Honed Tube For Hydraulic Cylinder, Oil Cylinder Rolled Tube, Cold Drawn Tube itself. Aiming to grow to be by far the most experienced supplier within this sector, we keep researching on the creating procedure and raising the high quality of our principal merchandise. We welcome prospects from everywhere on the web and offline. With the social and economic pace, we will continue to carry forward the spirit of 'high quality, efficiency, innovation, integrity', and stick to the operating principle of 'credit first, customer first, quality excellent'. Excellent service attitude and excellent product quality make our company win a large number of domestic and foreign customers in the same industry, good reputation makes our company and a large number of customers to establish a long-term friendly cooperative relationship.
Ck20 Rolled Tube Introduction
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.
Ck20 Rolled 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 |
Size list: (if you need other sizes, please let us know)
Quality control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.
Packaging & Delivery
Packaging Details | in bundle, with plastic caps, anti-rusted oiled, with woven bags |
Delivery Time | Shipped in 20 days after payment |
We often follow the tenet of customer-oriented, details-focused for 6mm~60mm DIN2391 St37.4 St45 St52 Cold Rolled Seamless Steel Tube for Oil Pressure Pipe. We are committed to the pursuit of energy-saving, robust, comprehensive and innovative concepts. We have now our very own manufacturing facility and sourcing place of work.
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