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Hollow pistion rod

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Hollow pistion rod

We always adhere to the high quality and service, strive for excellence in raw materials, high precision and advanced equipment, and perfect technology.
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We always adhere to the high quality and service, strive for excellence in raw materials, high precision and advanced equipment, and perfect technology. We can provide all kinds of best quality products according to the different requirements.
specialized in manufacturing of Honed pipe, precision cold drawn teel pipe. Hollow piston rod,chrome piston rod.   Descriptions of Hydraulic Cylinder Piston Rod With Chrome Plated

Size:  Ø 6-300mm
Length:  1m -9m 
Material: CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel
Tolerance ISO f7 
Chrome thickness: 20~30micron
Hardness of  the chrome layer:  800HV(min)
Roughness:  Ra 0.2micron (max)
Straightness:  0.2/1000mm
Yield Strength ≥350 Mpa   
Tensile Strength ≥580 Mpa  
Elongation ≥ 15%
Supply condition: 1.Hard chrome plated
2.Induction hardened
3.Quenched & Tempered
4.Induction hardened with Q&T

   
Chemical Composition

Material C% Mn% Si% S% P% V% Cr%
Ck45 0.42-0.50 0.50-0.80 0.17-0.37 ≤0.035 ≤0.035    ≤0.25
ST52 ≤0.22 ≤1.6 ≤0.55 ≤0.04 ≤0.04    0.02-0.15  
20MnV6 0.17-0.24 1.30-1.70 0.10-0.50 ≤0.035 ≤0.035 0.10-0.20        ≤0.30
42CrMo4 0.38-0.45 0.50-0.80 0.17-0.37 ≤0.035 ≤0.035    0.07-0.12 0.90-1.20
40Cr 0.37-0.45 0.50-0.80 0.17-0.37 ≤0.035   ≤0.035   0.80-1.10

 

Mechancial Properties

Material T.S  N/MM2 Y.S  N/MM2 E%(MIN) CHARPY CONDITION
CK45 610 355 15 >41J NORMALIZE
CK45 tempered 800 630 20 >41J Q + T
ST52 500 355 22   NORMALIZE
20MnV6 750 590 12 >40J NORMALIZE
42CrMo4 980 850 14 >47J Q + T
40Cr 1000 800 10   Q + T

DIN2391 Precision Tubes

Standard

Grade

Chemical Components (%)

Mechanical Properties(NBK)

C
Max.

Si
Max.

Mn

P

S

Mo

Cr

V

Tensile
Strength  (Mpa)

Yield
Strength  (Mpa)

Elonga-tion
(%)

DIN2391

ST35

0.17

0.35

≥0.40

≤0.025

≤0.025

0.25-0.35

/

/

340-470

≥235

≥25

ST45

0.21

0.35

≥0.40

≤0.025

≤0.025

0.45-0.65

/

/

440-570

≥255

≥21

ST52

0.22

0.55

≤1.60

≤0.025

≤0.025

0.90-1.20

/

/

490-630

≥355

≥22

EN1030-1, EN10305-2, EN10305-3 Seamless Cold Drawn Tubes

Standard

Grade

Chemical Components(%)

Mechanical Properties(+N)

C
Max.

Si
Max.

Mn
Max.

P
Max.

S
Max.

AL
Min.

Cr

V

Tensile
Strength (Mpa)

Yield
Strength (Mpa)

Elonga-tion
(%)

EN10305

E215

0.1

0.05

0.7

0.025

0.025

0.025

/

/

290-430

≥215

≥25

E235

0.17

0.35

1.2

0.025

0.025

/

/

/

340-480

≥235

≥21

E355

0.22

0.55

1.6

0.025

0.025

/

/

/

490-630

≥355

≥22

Cold Drawn Precision Tube Delivery Condition

Designation

Symbol

Description

Cold drawn/hard

+C

No heat treatment after the final cold drawing process

Cold drawn/soft

+LC

After the final heat treatment there is a suitable drawing pass

Cold drawn and stress relieved

+SR

After the final cold drawing process there is a stress relief heat treatment in a

controlled atmosphere

Annealed

+A

After the final cold drawing process the tubes are annealed in a controlled

atmosphere

Normalized

+N

After the final cold drawing operation the tubes are normalized in a controlled

atmosphere

 

 

Keyword:
cold rolled steel pipe
hollow steel pipe
hollow piston steel pipe
hollow piston rod.precision steel pipe
We could not find any corresponding parameters, please add them to the properties table

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