Pursuing excellence is the core value of our Tube Welding Positioner, Conventional Tank Welding Rotator, Cold Drawn Hydraulic Cylinder Tube, which lays the foundation for corporate development. We insist on earning trust with sincerity and establishing a business with trust to ensure that we will always perform all the obligations of an enterprise to customers, employees and the society. We are confident that we'll have a vibrant prospect and to be distributed all over the world in the years to come. We will adhere to the policy of 'integrity, proactiveness, responsibility, cooperation' and abide by the business philosophy of 'customer success is our success', to provide you with advanced products and perfect after-sales service. We are willing to join hands with friends at home and abroad in the pursuit of excellence and create brilliance together!
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.
'Based on domestic market and expand overseas business' is our progress strategy for En10305-1 ASTM A519 Cold Pilgered/Cold Drawn Tubes Manufacturer in China. We will continue to serve our customers with sincere professionalism, advanced design concepts, reliable quality assurance, and perfect after-sales service. We have a sound sales network and service system.
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