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Precision Seamless Steel Honing Tubes 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.
Precision Seamless Steel Honing Tube 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 |

DIN 2391 ST52 Precision Seamless Hydraulic Cylinder honed steel tube
MATERIAL SPECIFICATION
ST52,BK+S,DIN2391,ASTM A 106B, E355, C20 are all ok.
We have tubes for hydraulic cylinders with bigger thickness. ID from 40 to 400mm.
H8 tolerance, BKS/SR condition.
we also have size big tubes 200*213,200*216,250*266,300*320, 350*370 and so on for pneumatic cylinders.


We are committed to providing more competitive customized solutions and products for Custom Size Precision Brass Anodized Aluminum Pipe Hollow Tube to global users, and go hand in hand with our partners to seek common development. Years of technical research and development and production make the performance of the products stable and practical, and the quality reaches the leading level of similar products. In the long-term actual production and processing process, we have accumulated very rich experience. At the same time, we will continue to adjust products and services to meet customer needs with unique solutions.
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