We have been abiding by the business philosophy of 'integrity, pragmatism, stability, and efficiency', constantly forging ahead, and contributing to the development of the Round Chrome Bar, welding rotators, S45C Honed Steel Pipe industry. After years of hard work and development, we have grown a certain scale and strength. We always stick to the tenet of 'sincerity, high quality, high efficiency, innovation'. Our company warmly welcome friends from all over the world to visit, investigate and negotiate business.
Ck20 Steel Honed 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 Honed 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)
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.

We strictly control product quality, making our Semi-Maked Honed Steel Tube for Hydraulic Cylinder of St52 sell well abroad. Welcome to visit our manufacturing unit and welcome your order, for further more inquires be sure to don't hesitate to get hold of us! In the face of increasingly fierce competition and challenges, our company has condensed a number of modern talents with advanced ideas due to our inherent charm.
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