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Ready to honed tube

  • Ready to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tube
  • Ready to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tube
  • Ready to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tube
Ready to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tubeReady to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tubeReady to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tube

Ready to hone tube, pre-hone tube for hydraulic cylinder High precision cold drawn tube

  • I.D. Range: 26-800mm
  • Tolerance: ISO H8
  • Straightness: 1/1000mm
  • Material: C20, E355, ST52, 25Mn
  • Product description: 15+years professional manufacturer & supplier of Honed tubes, Chrome plated rods. experience in Vietnam, Thailand, Brazil, Egypt, Saudi Arabia, UAE, Russia, Singapore market. Ready to hone tube, pre-
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Professional manufacturer of ready to honed tube, founded in 2004, major in honed tube, Ready to hone tube, chrome rod, chrome bar, chrome shaft, one of biggest manufacturer and wholesaler.



Ready to hone tube, pre-hone tube for hydraulic cylinder

High precision cold drawn tube

Different name: pre-honed tube, tubes to be honed, tube suitable for honing, ready to hone tube, ready for hone tube
Material: DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45

Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 ASTM A519, DIN2391, EN10204-1
Heat treatment: BKS, Stress Relieved
OD metric size: 30 to 1000mm
OD imperial size: 1" to 20"
Length: max 16 Meter for some sizes.
Straightness: < 0.5 mm/m
ID Honing Margin: + 0.3 to 0.6mm
ID Roughness(Ra)<1.6 Micron

Delivery Condition: Cold finished (hard) (BK), Cold drawn and stress-relieved (BK+S)

Parameters Description

Grade

Cold finished (hard) (BK)

Cold finished (hard) (BK+S)

Hardness

Impact Value (-20°C) J

T.S

bN/mm2

Elongation 85%

T.S

bN/mm2

Y.S SN/mm2

Elongation 85%

1020

≥550

≥8

≥520

≥400

≥15

170

--

C45

≥680

≥5

≥630

≥520

≥12

190

--

16Mn

≥640

≥5

≥600

≥520

≥14

160

--

27SiMn

≥780

≥5

≥700

≥580

≥10

220

--

ST52

≥660

≥8

≥620

≥520

≥15

190

--

ST52.3

≥660

≥8

≥620

≥520

≥15

190

≥27

Material

C

Si

Mn

S(≤)

P(≤)

Cr

Ni

Mo

other

A106B / C20#

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.30

Cu≤0.25

CK45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.30

Cu≤0.25

Q345B

≤0.20

≤0.55

1.00-1.60

0.040

0.040

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

Alt≥0.015

ST52
E355
16Mn

≤0.20

≤0.55

1.00-1.60

0.045

0.045

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

16Mn

25Mn

0.22-0.30

0.17-0.37

0.70-1.00

0.035

0.035

≤0.25

≤0.25

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.030

0.030

42CrMo

0.38-0.45

0.17-0.37

0.50-0.80

0.025

0.025

0.90-1.20

0.15-0.25

Processing

Mode

Cylinder ID (mm)

Length
(m)

Straightness
(mm/m)

Tolerance
on ID

Tolerance
on WT

Roughness
(μ m)

Cold drawn

40-320

≤ 12M

0.2-0.5

/

± 5%

0.8-1.6

Cold rolling

30-100

≥ 12M

0.2-0.5

/

± 5%

0.8-1.2

Cold drawn-honed

40-500

8M

0.2-0.3

H8-H9

± 5%

0.2-0.8

Cold drawn-roll

40-400

7M

0.2-0.3

H8-H9

± 5%

≤ 0.4

Deep-hole

320-400

8M

0.2-0.3

H7-H9

± 8%

≤ 0.8

Deep-rolling

320-400

7M

0.2-0.3

H8-H9

± 8%

≤ 0.4

Products range as following:

honed tube

Finished barrel for hydraulic cylinder

Ready to hone tube.

Cold drawn tube.

Hard chromed rod, bar, shaft.

Induction hardened rod, bar, shaft

Finished piston rod for hydraulic cylinder

Main market as following.

Middle East

South Eastern Asia

North Africa

South America

Domestic market



Delivery Conditions:

+C Hard. No final treatment after final cold drawing.

+LC Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).

+SR Stress Relieved. After final cold drawing, the tubes are stress relieved in a controlled atmosphere.

+A Annealed. After final cold drawing, the tubes are annealed in a controlled atmosphere.

+N Normalized. After final cold drawing, the tubes are normalized in a controlled atmosphere.


Application

Why Choice Us

We are committed to integrate steel resources in China and serve the global steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise before. In the aspect of resources and information, we have established cooperative relationship with nearly hundred enterprises, either state-owned or private owned in China.


1. Professional, rich experience, reliable.
2. One-stop solution for honed tube, chrome rod.
3. Full range of size and material, ready stock goods with fast delivery
4. Customizable, non-standard sizes available
5. Small quantity acceptable
6. Refund or replace if any quality issue.

About Us

Established in 2004, reowned firm engrossed in manufacturing honed tube, chrome rod over 14years. ISO9001 certificated.

Rich experience in production and export, prefect products & services gained recognition of clients from 40 countries & area.


Advantage
>15+years professional manufacturer & supplier of honed tube, Chrome plated rod.
>Experience in Vietnam, Thailand, Brazil, Egypt, Saudi Arabia, UAE, Russia, Singapore market.
>ISO9001:2008, SGS, BV, CNAS Certificated.
>Biggest manufacturer & wholesaler in local market.
>7*24 at your service, on time respond.
>One-stop collection.


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 itme?

A: T/T and L/C



Contact Us

Contact: Dooharvest

Phone: +86 186 6128 5080

Tel: +86 186 6128 5080

Add: Economic Development Zones Huishan, Wuxi, Jiangsu, China