car using China hydraulic cylinder seamless carbon steel tube

we can provide such pipes:

1.Seamless steel tube and carbon 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 

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packaging details:  brand parcel        bundle with steel strips     wooden box      as clients request

delivery details:15 days after 30% T/T payment in advance 

1.Our History

In 1992,Yantai Xinpeng steel pipe established.

In 2000,Xinpeng is equipped with JLB250T cold drawn machine set, LD120 precision cold rolled machine set, straightening machine, box heat treat furnaces(8000-10000mm)

In October 2002, Shandong Penghui Hydraulic Cylinder Co,. LTD. Was established.

In 2012, Xinpeng have equipped the CNC Skive and roller burnished machine set (6000mm)

In 2013, Xinpeng equipped several powerful honing machines. Combined cold drawn , cold rolling, heat treatment and SRB and honing process together to product the best quality products.

2. Our Factory

Yantai xinpeng steel pipe co,.ltd. is Located in the beautiful coastal city-Yantai, urban area of Yantai with convenient transportation.

Registered capital is 5 million Yuan.

Workers are more than 100 persons.

Monthly output is 500tons.

3.Our Product

Yantai Xinpeng Products includes the following:

1. Cold drawn tube

2, cold rolled tube

3,honed tube

4,cylinder tube

5. seamless tube

6.Alloy tube

7. Precision tube

Which are widely used in hydraulic and pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery and other field.

Product standard: EN10305 DIN2391 GB/T3639 and so on.

4.Production Equipment

Xinpeng is equipped with JLB250T hydraulic cold drawn machine set LD120 cold rolled set. Powerful honing machine set, CNC skived and roller burnished machine set. OD polishing machine, lathe machine, and CNC sawing machines.

1.Hydraulic Cylinder Tube---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.SRB tube ----- Used in Elevator,buffer and Hydraulic Cylinder .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---- Widely Used. Processing range 30-300mm, biggest length is 11m

1.100% quality satisfaction guarantee following with ISO9001 verified

2. professional package which can assure long distance sea transportation

3. delivery in time

4. more than 20 years experience specializing in steel trading line

5.alibaba trade assurance supplier