Qingzhou Longyue Hydraulic Machinery Co.,Ltd

Telephone:

+86-536-3295150

+86 13280195875 13406669513

Chromed Honed Tube for Hydraulic Cylinder

Chromed Honed Tube for Hydraulic Cylinder

Professional manufacturer of Hard chrome rod for hydraulic, founded in 2004, major in honed tube, hydraulic tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China. Chromed Honed Tube for hydraulic cylinder We offer seamless steel tubes...

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Professional manufacturer of Hard chrome rod for hydraulic, founded in 2004, major in honed tube, hydraulic tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China. 


Chromed Honed Tube for hydraulic cylinder

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We offer seamless steel tubes which are chrome plated in the outer diameter to ensure resistance to wear and rust and good appearance. This type of tube is used for multi-stage oil hydraulic cylinder, crane, office furniture and equipments, towing truck, fire fighting truck, oil hydraulic sawing machine and other fluid drive machinery.

Type 1: Inside surface honed and chrome plated tube 

Type 2: Inside surface honed and outside surface chrome plated tube.


Description 


ID: 45 to 350mm

Length: Max 12m

Steel grade: St52, St52.3, CK45, 4140, 16Mn, 20#, 40Cr, Stainless Steel, etc.

Straightness: 0.2~0.4 /1000

Tolerance: DIN 2391, ISO H8

Roughness (Ra): 0.2 to 0.4µ

Chrome thickness: 20~ 50 Micron

Type: cold drawing, normalizing treatment, honing or skiving, chrome outside surface.

Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends

Package: Wooden Case


Inside diameter(mm)

Tolerance(mm)

H7

H8

H9

H10

≦30

+0.021/0

+0.033/0

+0.052/0

+0.084/0

30-≦50

+0.025/0

+0.039/0

+0.062/0

+0.100/0

50-≦80

+0.030/0

+0.046/0

+0.074/0

+0.120/0

80-≦120

+0.035/0

+0.054/0

+0.087/0

+0.140/0

120-≦180

+0.040/0

+0.063/0

+0.100/0

+0.160/0

180-≦250

+0.046/0

+0.072/0

+0.115/0

+0.185/0

250-≦315

+0.052/0

+0.081/0

+0.130/0

+0.210/0

315-≦700

+0.057/0

+0.089/0

+0.140/0

+0.230/0



About Us 

Qingzhou Longyue Hydralic Machinery Co., Ltd, Established in 2004, reowned firm engrossed in manufacturing honed tube, chrome rod over 14years. ISO9001 certificated.

Annual output 12 thousand tons, at present we are the biggest manufacturer in North China. 

Rich experience in production and export, prefect products & services gained recognition of clients from 20 countries & area.

We sincerely hope there would be a chance for us to start business and build long term relationships may from an inquiry soon.


Products range as following:

Honed tube

Finished barrel for hydraulic cylinder

Ready to honed tube.

Cold drawn tube.

Hard chromed rod, bar, shaft.

Induction hardened rod, bar, shaft

Finished piston rod for hydraulic cylinder


Main market as following.

Domestic market

Middle East

South Eastern Asia

North Africa

South America


FAQ 

→Q: How many days of your delivery?

A: The general delivery is 30-50 days according to your quantity.

→Q: What's your main market?

A: We mainly export to Middle East and South Eastern Asia. And this year our products enter into South America.

→Q: Are you factory?

A: Yeah, we are.

→Q: Which countries do you export to?

A: America, India, Korea, Pakistan, Turkey, Iran and so on.

→Q: What is the delivery time?

A: If we have stock, we can send goods within 20days. If not, we will delivery goods within 30-45 days.

→Q: What is your main payment item?

A: T/T and L/C


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