Product Details

Product Description

hydraulic cylinder technique honed steel tubing
Standard	DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713...
Material	ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B
Heat treatment	BK+S
Specification	Outer diameter(mm)	Inner diameter(mm)
	30-250mm	40-250
I.D Tolerance	H8-H9
Length	Max 6m
Straightness	1/1000
ID roughness	RA 0.4micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application

ID Tolerance unit :mm(metric size upon customized)

ID	OD	WT	ID Roughness (max)	ID Tolerance	Straightness	Length (max)
63.5	76.2	6.35	RA0.4micron	H8 H9	1:1000 or customized	6m
63.5	82.55	9.525
76.2	88.9	6.35
76.2	95.25	9.525
88.9	101.6	6.35
88.9	107.95	9.525
101.6	114.3	6.35
101.6	9.525	6.35
114.3	127	6.35
114.3	139.7	12.7
127	139.7	6.35
127	152.4	12.7

process and details

Process	Diameter	Length	Precision	Inner Hole Roughness
Cold Rolled	30-100mm	≤12 m	H8-H10	0.4-1.6
Cold Drawn	30-250mm	≤12 m	H8-H10	0.8-1.6
Honing	40-500mm	≤12 m	H8-H9	0.4-0.8
Rolling	40-400mm	≤7 m	H8	0.4
Inner Diameter	H8	H9	H10

Packaging & Shipping

packaging details:

1.bundle with steel strips

2.brand parcel

3.wooden box

4.as clinets request

delivery details: 15days after payment

our processing

Company Information

Located in Yantai, our company Yantai Xinpeng Steel Pipe Co., Ltd, is in(APEC) Science& Technology Industrial Park, with convenient transportation. Established in Dec 1992, with registered capital of 5 million Yuan, we have more than 20 years experience in manufacturing and exporting steel pipe. Our company mainly produces various specifications of cold finished precision steel pipe, which are widely used in hydraulic Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field.

Our company is equipped with JLB 250T hydraulic cold drawn machine set, LD120 precision cold rolled machine set, multiple precision straightening machine, box heat treat furnaces(8000-10000mm).In 2002, our company equipped one set advanced CNC skived and roller burnished machine SRB-600mm, several Powerful honed machine, Combined cold drawn, cold rolling, heat treatment and SRB process to produce the best quality products. Standard:GB/T8713-88, GB/T3639-2000 or according to customers’ requirement. Material usual 20#,45#,16Mn,25Mn,27SiMn,St35,St52 and so on.

What we can provide are seamless pipe, cold drawn tube, cold rolled tube, honed tube, honed steel pipe, hydraulic cylinder pipe, hydraulic cylinder tube, hydraulic tube, cylinder tube, hydraulic pipe, cylinder pipe, etc.

application

1. Construction categories are: the bottom of the pipeline transport up to more, cover the floor when the extraction of groundwater, boiler hot water transport and so on.

2. Machining, bearing sets, processing machinery parts and so on.

3. Electrical class: gas transmission, water generation fluid pipeline.

4. Wind power plant anti-static tube

FAQ

Why should you choose us?

Choose happens because of quality,then price,we can give you both.additionally,we can also offer professional products inquiry,products knowledge train (for agents )

Quick goods delivery,our factories locate near the seaport,which is very convenient for transportation.

Q: What's your MOQ(minimum order quantity)?

A: One full 20ft container,mixed acceptable .

Q: What's your packing methods?

A: Packed in bundle or bulk (customed is accepted).

testing

1.portable hardness tester

2.wall thickness gauge

3.ultrasonic flaw detector

4.digital rockwall hardness tester

5.tensile testing machine

6.USA import UT test machine

Our Services

1.High Efficiency

1).7 Days *24Hours phone and email in service.

2).Your inquiry will be replied in 24 hours

2. High Quality

1). Well-trained and qualified staff to answer all your questions

2). We are Alibaba VIP golden supplier

3.Our Advantage:

1. High quality seamless steel tube with reasonable price.
2. Wide excellent experiences with after-sale service.

3. Samples can be provided as your requirements.
4. Professional packing teams which keep every packing safety.
5. Every process will be checked by responsible QC which insures every product's quality.
6. Every process can be produced as to our clients' requirements.

7. Any questions can be answered in time after you told us.

8. Quick respond to your inquiry.