Aisi 4140 seamless precision cold drawn steel pipe and 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 ) 

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!

1.Are you a trading company or manufacturer?

We are the professional manufacturer of precision seamless steel pipe since the year 1992.

2. How can I get the price? 

We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter, 

wall thickness length, quantity and application of the steel pipe which you need. 

If you are very urgent to get the price.

please inform us in email so that we will regard your inquiry priority.

3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. we will provide you 

the sample for free, however we could only make sure the same material, the dimension will be 

much similar as your request but not same. 

And customer should afford the charge of shipment.

4. What about the lead time for mass production?

 Honestly, it depends on the order quantity and the season you place the order.

if normal order 25-30days. 

5. What is your terms of delivery?
We accept FOB CIF EXW CFR.