We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for 35crmo Gas Cylinder Pipe, precision tube, Stainless steel honed tubes. Our staff through skilled training. As always, we are at the forefront of the industry, serving every customer and conquering customers with impeccable products. We will be your trusted partner forever. Please feel free to contact us for more detail!
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.


The company takes integrity, quality, service and innovation as our business philosophy, and aims to build a first-class brand in the A333 St52 A106b SA210c SA192 A192 Carbon Alloy Boiler Precision High Pressure Seamless Steel Tube industry. Now, we are trying to enter new markets where we do not have a presence and developing the markets we have now the already penetrated. Since the establishment of our company, we have always adhered to the principle of 'high-quality and excellent products' and the tenet of 'not letting a substandard component leave the factory' to ensure quality control. The quality of our products far exceeds that of peers.
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