Provide Hydraulic AISI 4140 Seamless Steel Pipe Honed Tube

Yantai xinpeng steel pipe co, .ltd. established in 1992, mainly produces precision cold drawn/rolled tube, honed/SRB tube, Hydraulic cylinder tube. The company is excellent equipped, good technology and powerful. Products widely used in hydraulic cylinder, Car manufacturer, excavator and many other areas. Xinpeng strictly obey ISO9001 2008 Quality System, High quality products sold to Korea, UK, Iran, Australia and many other countries, got good reputation.

1. Hydraulic Cylinder Tube------Main products of Xinpeng,

( OD polished ra0.8um, ID Honed/SRB ra0.4um)

Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts.

Material is various, mainly STKM-13CT ST52 CK45 and 1020.

We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.

2. Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .

( ID honed, ra0.2-0.8um OD ra3.2um)

This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.

3. Cold finished tube BKS

( OD ID ra1.6-3.2um) (better Mechanical Property)

---- Widely Used. Processing range 30-300mm, biggest length is 11M.

4.Cold Drawn/Rolled Tube +BK  (without anneal, roughness ra0.8-ra1.6um ) 

Xinpeng have passed ISO9001:2015 verified.

Better quality System control best quality .

We have our own Labroarty on the mechanical test and UT testing! 

Qualiry Team 15 persons , Target of us is 3000PPM!

Xinpeng  have more than 100 hundred professional workers on the steel pipe. 

Technology team : 10 persons.       Quality team : 15 persons.

Manage team: 6 persons.               Sales team: 15persons. 

Aftersale team 5 persons.              Wokers more than 50 persons. 

Choose us you are correct!

1.Transportation: By Sea

20' FCL (means the length than 5,800mm)
40' FCL (means the length than 11,800mm)
2.Bulk cargo (means the quantity is more than 200MT)
3.With regards to other length or quantity, it should be taken by clients themselves
4.Delivery time: 25-35days to the dispatch port after receipt of T/T or L/C at sight.
5.Optional: wooden box; caps; vanished coating.
6.Payment: T/T or L/C at sight, T/T 100% in advance (If order less than 3MT)
7.Price item: FOB, CFR, CNF, C&F, CIF
8.Origin: China
9.Third party inspection: BV, SGS, Lloyds. The Expense needs to stand by clients.

1. 24hours service via phone ,wechat alibaba trade manager. 

2. Good package and best container method.

3. Professional explanation with professional online service

4. Factory manufacturer can assure the best quality. 

5. Good delivery time as 15-30 days .

6. 3 years product assurance after usuage.

7. Good quality process in our own factory,

   each lot tube have their own 5 years'life card.

we always do our best to make deal with any clients, welcome to inquiry at any time!