45mm automobile parts use precision cold rolled steel tubing

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.

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!

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!

we can provide such pipes:

1.Seamless steel tube and carbon steel tube

Widely used in oil,drilling, gas, 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.precision steel tubes

cold drawn steel tube/cold rolled steel pipe

Grade: 20#45#16Mn25Mn Q345 27SiMnE355ST52 STKM13A STKM13C

Standard: GB/T8713GB/T3639DIN2391EN10305ASTMA519

Range: 30-300mm

Length: 11m(max)

The cold process can remove the oxide layer outside to improve surface and offer better mechanical property, also can change ID,OD,WT to meet every client request.

3. Honed steel tube&SRB steel pipe

ID Tolerance: H8H9 or as client's request

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 tube for cylinder using directly.

4.Hydraulic cylinder steel tube  

Hydraulic cylinder tube inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface rust proofing

1. The smaller outer diameter

2. High precision to do small batch production

3. Cold drawn finished products of high precision, good surface quality

4. The steel pipe transverse area is more complex

5. Steel pipe is superior performance, dense metal

Carbon Steel Tube	Cold drawn Tube
Cold Drawn Steel Tube	Honed /SRB Tube

Xinpeng Have 6 workshop Total 

1.  Raw Material warehouse. Good stock situation can assure regular clients' order smoothly. 

2. Pretreatment Workshop. Have included the pickling, Phosphating,Saponificating Process.

    All Approved by Environmental protection of government.

3. Cold drawn/rolled workshop . have equipped with 4sets cold rolled machine, 2 sets cold drawn machine. 

4. Anneal workshop. (included other equipment as straightening machine and so on) 

5. SRB/Honing workshop.

6. polished workshop with finished product warehouse. 

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.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.