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St52 Hydraulic Cylinder Pipes

Honed tube is well known as hydraulic cylinder tube in many industries. This is because honed tubes are the most important materials of manufacturing hydraulic cylinders. And as this kind of tubing is usually honed in tube inside diameter, it is known as honed ID tubing also.
  • HY-Tube

  • DOOHARVEST

  • 841290

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St52 Hydraulic Cylinder Pipes


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1)   Production description:

Hydraulic honed tubes is well known as hydraulic cylinder tube in many industries. This is because honed tubes are the most important materials of manufacturing hydraulic cylinders. And as this kind of tubing is usually honed in tube inside diameter, it is known as honed ID tubing also.

Steel honed tubes is made of seamless cold drawn steel pipes, the cold drawn tubes can be produced according to most popular international standards such as DIN 2391, EN 10216-2, ASTM A513-5, A 519, GB/T 3639 etc. on customer's request. 

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2)   Production Details 

微信图片_20210918095334

Chemical composition(%)

 

Grade

C

Si

Mn

P

S

Cr

Mo

St 45 (DIN1.0408)

0.21max

0.35max

0.40min

0.025max

0.025max

/

/

St 52 (DIN1.0580)

0.22max

0.55max

1.60max

0.025max

0.025max

/

/

E355

0.22max

0.55max

1.60max

0.025max

0.025max

/

/

1020

0.21max

/

0.30-0.60

0.040max

0.050max

/

/

1026

0.21max

/

0.60-0.90

0.040max

0.050max

/

/










Mechanical Properties( T=20°C if not differently stated )

Grades

Delivery Conditions     

Tensile Strength Rm (Mpa)

Elongation in the longitudinal   direction Al (%)

ST45

+A (GBK)

390 min

21 min

ST52

+A (GBK)

490 min

22 min

E355

+A (GBK)

450 min

22 min

1020

+A (GBK)

390 min

21    in

 

3)   Production process and details

The most common treatment methods for hydraulic honted tubes are cold drawing and heat treatment .

The most popular steel grades of honed tubes is SAE 1020, we also supplier honed tubes in SAE 1026, St 52 and other steel grades such as St35, ST 52.4, St 37.4, E255, E215, etc. on customers' request.

Honed tubes is produced using our “Suitable to Hone" Drawn Over Mandrel (DOM) and Cold Drawn Seamless (CDS).

The honed tube process involves using abrasive polishing stones and abrasive paper to remove small amounts of material, to produce extremely precise ID dimensions and improved finishes.

 Dooharvest is the biggest ST52 hydraulic honed tubes manufacturer,are exposting over 20000t honed tubes one year . 

 

Article Name

Cylinder ID mm

Length m

Straightness mm/m

Tolerance on ID

Tolerance on WT

Roughness

Cold Drawn  tube  

40-320

≤12m

0.2-0.5

/

±5%

0.8-1.6

Cold rolling tube

30-100

≥12m

  1. 0.2-0.5

/

±5%

0.8-1.2

Cold drawn-honed tubes

40-500

8m

0.2-0.3

H8-H9

±5%

0.2-0.8

Cold drawn-roll tube

40-400

7m

0.2-0.3

H8-H9

±5%

≤0.4m

Deep-hole tube

320-400

8m

0.2-0.3

H7-H9

±8%

≤0.8

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4)     Packing and Delivery

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5)    Our company and Advantages .

 

Professional honed tubes manufacturer and chrome rod, founded in 2004, operation under modern management system and technologies, ISO9001 certificated, It covers an area of 40, 000 sq. Meters.

 

As one of the biggest honed tubes, chrome rod manufacturer we engrossed in this field 15+ years, Rich experience in production and export, prefect products & services gained recognition of clients from 40 countries ,export to honed tube India, dubai  and malaysia etc. 

 factory1

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6)    Contact us

 Carter Wang

Whats app: +8615762491265 

Email: carter@dhonedtube.com

 


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Prefessional manufacturer of Honed tube, Hard
chrome plated rod, Hydraulic seamless pipe.
We sincerely hope there would be a chance for us to start business and build long term relationships may from an inquiry soon.
  sales@dhonedtube.com
  +86-1585-3650-227
  Yangshan Town, Huishan District, Wuxi City, China 
      Qingzhou, Weifang, China
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