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Honed tubes are widely used in hydraulic cylinders, cylinders, hydraulic machinery, engineering machinery, petroleum machinery, agricultural machinery, filling machinery, mining machinery and other fields. The main features are: 1. It is mainly used to produce pneumatic or hydraulic components 2. For outer cylinder of oil cylinder 3. The honing process is adopted to meet the requirements of the inner hole of the cylinder tube 4. High precision and high finish, the finish can reach ra0.2-0.4um
Honed Tube Parameters | ||||
Product name | hydraulic cylinder tube /honed tube /seamless honed steel tube | |||
Standard | GB/T3639-2000 DIN2391 EN10305 ASTM A519 | |||
Metarial | C20 CK45 Q355B Q355D E355/ST52 SAE1026 4130 4140 STKM 13C | |||
Heat treatment | BK+S | |||
Size | I.D:30mm-400mm | O.D:40mm-480mm | ||
Length | Fixed length ,Random length or as requests of customers | |||
Straightness | 0.5-1/1000 | |||
ID roughness | RA 0.1-0.8micron(max) | |||
Payment term | FOB, CFR, CIF ,EXW, FCA and so on | |||
Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED） | |||
Application | Honed tube for hydraulic cylinder,swivel crane,injection machine and construction machine application | |||
Conservation | anti rust oiled inside and outside surface, plastic caps in both ends | |||
Package | bundle with steel strip and knitting strip, or wooden case | |||
Supply Ability 5000 Ton/Tons per Month
Packaging & delivery Packaging Details
Standard Seaworthy package or as the customer's requirement.
Port Tianjin Port or Qingdao Port
1.Seamless steel tube
Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT, ST52, CK45 and AISI 1020. We can also offer as customized seamless steel tube.
2.cold drawn steel tube/cold rolled steel tube
Grade: 20# 45# 16Mn 25Mn 27SiMn E355 ST52 STKM11A STKM13A
Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519
Range: 30-300mm
Length: 11m(max)
The cold process can change the thickness of tube to meet client's request and offer better mechanical property.
3. SRB&Honed steel tube
ID Tolerance: H8 H9
ID Roughness: RA0.4micron(max)
Length: 6m(max)
Inner roughness: Ra0.2-0.8um
Straightness: 1:1000 or customized
This process can improve the roughness of the inner tube to 0.2-0.8um and make inside tube more smooth which can be used for cylinder directly.
4.hydraulic cylinder tube, hydraulic tube, cylinder tube
We are happy to answer any questions you have regarding our product lines and services. Please tell us a little more about yourself and we will have someone contact you as soon as possible.
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