Ready to Honed Tube for Hydraulic Cylinder

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

Product Details

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


Ready to honed tube for hydraulic cylinder

High precision cold drawn tube

Different name: pre-honed tube, tubes to be honed, tube suitable for honing, ready honed tube, ready for honed 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)

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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


Why Choose Us

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 

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 

Q1: Are you a manufacturer or a trade company?

A: Manufacturer, we are one of leading manufacturer of honed tube, chrome rod in China with 14 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.

Q2: Do you have quality control system?

A: Yes, quality management system introduced as ISO9001.

Q3: What about the quality feedback of your products?

A: We gained recognition of 160+ customers in 20 countries and areas and established long-term business relationships with us.

Q4: What is the delivery time?

A: Within 20-45 days for bulk production, which is depend on quantity.

Q5: What is your main payment term?

A: T/T, L/C, D/A, D/P either is available.


Inquiry