We will face the opportunities and challenges brought about by the internationalization strategy with a positive and open mind, and continue to focus on the development and innovation of Pipe Welding Positioners, Ck45 Honed Tube, Hydraulic Cylinder Honed Pipe. We sincerely welcome customers all over the world to cooperate with us. We believe in the core values of 'integrity, innovation, and responsibility'. Our company advocates the corporate culture of 'concentrate on manufacturing, excellent quality and wholehearted service' and follows the business philosophy of 'products are always affordable, quality is higher' and always bear in mind that customer satisfaction is our ultimate goal.
Ck20 Steel 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 Steel 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 |
Honed Tubes characteristics
1. The inside tolerance could up to H8.
2. Honing Inside roughness could reach to Ra 0.4um. Skiving inside could reach to Ra 0.2 um.
3. ID size from 50 to 280mm, OD size from 60 to 370mm, totally has more than 200 sizes.
4. Length could be fixed length of random length.
5. Inside chrome plated is for optional.
Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.
FAQ
1. Q:Are you a manufacturer, trading company or a third party?
A:We are a manufacturer, and we have builded up our company since 2001.
2. Q: May i know which payment will be accepted by your company?
A:So far 30% deposit paid by T/T, balance before delivery. L/C at sight also ok.
3. Q:Is your price competitive?
A: Only good quality we supply. Surely we will give you best factory price based on
superior product and service.
4. Q:What kinds of physical and chemical testing you can provide?
A:The physical and chemical testing we provide include:
Øchemical composition testing, physical property testing：hardness test，Tensile performance testing.
5. Q: Do you have the products in stock?
A: We have standard sizes in stock.
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.
We consistently carry out our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management promoting benefit, Credit attracting customers for Ck20 Cold Drawn Seamless Seamless Steel Tube for Industry. We promise we have the ability to provide excellent quality and reasonable price products for customers. We sincerely welcome and together we share in global resources, opening up new career together with the chapter.
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