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Tubes for Hydraulic Cylinders

--Materials :ASTM519/1026/1035/1045 seamless steel pipe --Inner Surface roughness is less than 0.4μm --The Low-pressure Hydraulic cylinder can be used 20# steel pipe --The High-pressure Hydraulic cylinder can be used 45# steel pipe --The commonly used materials are 20#,35#，and 45# seamless steel pipe
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  • Hydraulic Cylinder Tube

  • Tenjan

  • Hydraulic Cylinder Tube

1.Product Description /Specifications


Hydraulic Cylinder Honed Tube
Standard: ASTM A519, DIN2391, EN10204-1
Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished
Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders
Size

Manufacturing Process

Tube ID

Length

Straightness

Dimensional Accuracy

Tolerance on ID

Inner Bore Roughness

honing

Φ40-800mm

≤13m

0.2-0.3mm

H8~H9

±8%

<=0.8 um

Chemical Composition

grade

C

Si

Mn

P

S

Cr

Ni

Cu

V

Al

1020

0.17-0.23

0.17-0.37

0.35-0.65

<=0.035

<=0.035

<=0.25

<=0.30

<=0.25

-

-

C45

0.42-0.50

0.17-0.37

0.50-0.80

<=0.035

<=0.035

<=0.25

<=0.30

<=0.25

-

-

16Mn

0.13-0.19

0.20-0.60

1.20-1.60

<=0.030

<=0.030

<=0.030

<=0.30

<=0.25

-

-

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

<=0.035

<=0.035

<=0.30

<=0.30

<=0.20

-

-

ST52

<=0.20

<=0.50

<=1.70

<=0.035

<=0.035

<=0.30

<=0.50

<=0.30

<=0.15

-

ST52.3

<=0.18

<=0.50

<=1.70

<=0.030

<=0.25

<=0.30

<=0.50

<=0.30

<=0.15

≥0.015

Mechanical Property

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

Size Tolerance(mm)


ID size

ID Tolerance


WT Tolerance

H7

H8

H9

H10

H11

30

+0.0210

+0.0330

+0.0520

+0.0840

+0.1300




±5%

>30-50

+0.0250

+0.0390

+0.0620

+0.1000

+0.1600

>50-80

+0.0300

+0.0460

+0.0740

+0.1200

+0.1900

>80-120

+0.0350

+0.0540

+0.0870

+0.1400

+0.2200

>120-180

+0.0400

+0.0630

+0.1000

+0.1600

+0.2500

>180-250

+0.0460

+0.072

+0.1150

+0.1850

+0.2900

>250-315

+0.0520

+0.0810

+0.1300

+0.2100

+0.3200

>315-800

+0.0570

+0.0890

+0.1400

+0.2300

+0.3600


OD

Tolerance

OD

Tolerance

≤Φ40

±0.15

Φ160~200

±0.80

Φ40~60

±0.25

Φ200~240

±1.00

Φ60~80

±0.30

Φ240~340

±1.50

Φ80~100

±0.40

Φ340~440

±2.00

Φ100~160

±0.50

Φ440~520

±2.50


2. Product Photos

微信截图_20220531125419  

 

3. Application

微信截图_20220531101457 油缸1 002

微信截图_20220713130311微信截图_20220713130302微信截图_20220713130237微信截图_20220713130250微信截图_20220713130330



Our Certificate：

ISO9001 IATF16949
ISO 9001  IATF 16949


                                                                                                 

Why Choose Tenjan?

(1) Large Scale Production，Strong R&D Capability

The annual production capacity can reach 60,000 tons under years of development. Every-year R&D investment and a team of technicians enable Tenjan with strong R&D capability. Tenjan has full system of production with advanced equipment, such as perforation, pickling, cold rolling, cold drawing, straightening, flaw detection, tensile test and machining.

 

(2) Quality Control 

Every batch of products can be traced and guaranteed by the raw material certificate and steel tube quality certificate. Complete quality control system, following ISO9001, to ensure a full inspection process such as pull force test, chemical composition test and eddy current detection.

 

(3) Certification

The chairman of Tenjan, Mr. Wensheng Gu, is one of the major constitutors of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. And Tenjan has won the Quality System Certificates of ISO9001 and IATF16949.

 

(4) Major Customer Case

We have long-term relationship with customers such as BMW, MCC, CNNP, CRRC, Midea, Sinohydro, China Pingmei, China Academy of Building Research and so on.

 

(5) Export Countries

Our products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total six continents over 20 countries, and which has been consistently trusted by customers.

 

(6) Customer Service

Tenjan provides considerate service to every customer with fast feedback, quality track and technical support.  


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