In terms of environmental protection, our company has investigated and resolved the adverse environmental factors in all departments to ensure that the Welding Table With Positioner, 4140 Alloy Steel Tubes, Tube Welding Positioner meet the standards of green products. To build a happier, far more united and far more specialist team! We will continue to improve the quality of production, in order to thank customers for their long-term support and cooperation with our company, but also to open up new business areas. We co-create with partners in the same industry according to needs, and manufacture products that have been perfectly integrated with technology so far.
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 will continue to give full play to the leading technological advantages of Industrial Stkm 13c/14A/14b Seamless Stainless Steel Pipe Tube, and strive to lead the development of the industry with continuous innovation. We are willing to cooperate with our colleagues at home and abroad with high quality products and excellent service for mutual benefit. With the rapid development of the company, a global marketing network and application service system have been formed.
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