We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing for 1020 Hydraulic Honed Tube, Uniform Thickness 4140 Tube, Hydraulic Cold Drawn Tube. Market-oriented and customer-oriented are what we have been being after. This makes our company get the favour of customers and support! Relying on a large number of innovative R&D personnel, we actively cooperate with outstanding colleagues to strengthen the tackling of technical problems. We firmly believe that we can use a professional service system and innovative service concepts to become a strong guarantee for the healthy development of your business.
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.


Our design and production of 304 316 Precision Welding and Weded Stainless Tube have reached the domestic leading level, and we have strong new-product development capabilities. We are committed to the most positive and sincere attitude to provide customers with the best quality and efficient service. For many years, we have been focusing on independent research and development and innovation, and continually developing new products in response to market demand.
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