Jiangsu YIngnaisi Machinery Manufacturer Co.,Ltd

Product Categories

Honed Tube

Honed Tube

Descriptions of Hydraulic Cylinder Honed Tube 

Honed tube for hydraulic cylinder

Standard

DIN2391, EN10305,  ASTM A519, GB/T 3639-200 

Material

Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130  4140 STKM 13C

Heat treatment

BK+S

Specification

Outer diameter(mm)       

Inner diameter(mm)               

40-480mm

30-400mm

I.D Tolerance

H8-H9

Length

Fixed Length, Random Length(3--9m)or as requests of customers

Straightness

0.5-1/1000

ID roughness

RA 0.1-0.8micron(max)

Technology

Honed & SRB(SKIVED AND ROLLER BURNISHED )

Scope

Honed tube for hydraulic cylinder, swivel crane, injection machine and 

construction machine application

1. Chemical Composition

 

 

 

 

 

 

 

Steel grade

Chemical composition %

C

Si

Mn

P

S

Cr

Ni

V

AI

≤

≥

C20

0.17-0.24

0.17-0.37

0.15-0.65

0.035

0.025

0.250

0.250

/

/

CK45

0.42-0.5

0.17-0.37

0.5-0.8

0.025

0.025

0.250

0.300

/

/

Q355B

≤0.2

≤0.5

1.0-1.6

0.030

0.030

0.030

0.250

0.080

0.015

Q355D

≤0.2

≤0.5

1.0-1.6

0.030

0.025

0.250

0.250

0.150

/

E355(ST52)

≤0.22

≤0.55

≤1.6

0.025

0.025

0.250

0.250

/

/

SAE1026

0.22-0.28

0.15-0.35

0.6-0.9

0.040

0.050

/

/

/

/

4130

0.28-0.33

0.15-0.35

0.4-0.6

0.040

0.040

0.80-1.10

/

/

/

4140

0.36-0.43

0.15-0.35

0.705-1.0

0.040

0.040

0.80-1.10

/

/

/

 

 

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