We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Large Diameter Honing Tube, Cylinder Tubes, Seamless Cold Drawn Steel Tube. Our company is market-oriented and its products enjoy a certain reputation in the domestic market. After years of accumulation and development, we gradually have a complete and effective quality management system and a highly efficient and thoughtful after-sales service system. Up to now, our company has a very mature processing technology and the product quality is very reliable, the staff in our company has a high sense of responsibility. We are looking forward to your requests at any time and giving you the most satisfying reply in the shortest time. We have now a good reputation for stable quality goods, well received by customers at home and abroad.
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 mission is always to create innovative products to prospects with a superior expertise for Customized Triangle Pipe Precision Carbon Steel Tube Production. The market can have no enterprise, but the enterprise cannot have the market, and the market comes from the favor of customers. All products have been exported to many countries all over the world. We have received many customers' consistent high praise and established stable cooperated relationship with them.
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