Hot!!!piston rod seals

Hot!!!piston rod seals

USD $900 - $1,500 /Ton

Min.Order:5 Tons

Supply Ability:
30000 Ton / Tons per Month
Port:
Qingdao or Tianjin
Payment Terms:
T/T

Quick Details View All >

Thickness:
4, 80
Section Shape:
Round
Outer Diameter:
27 - 508 mm
Place of Origin:
Shandong, China
Secondary Or Not:
Non-secondary
Application:
Fluid Pipe

Shandong Liaocheng Yuanhetai Steel Products Co., Ltd.

Business Type: Manufacturer,Trading Company
Liaocheng Shandong China
Main Products: Steel Pipe

Product Details

Specifications

piston rod seals
Material: CK45
Size range:OD 12 to 500 mm

piston rod seals

Size range:
Outside diameter from 12 to 500 mm
Max length 16 meters
Supply condition: Chrome plated
Chrome thickness: 20 TO 50 Micron
Surface roughness: Ra ≤ 0.4 Micron
Outer diameter tolerance: ISO f7
Ovality: Half of the tolerance ISO f7
Straightness: ≤ 0.2mm/m
Corrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours.
Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden box.

1.CHEMICAL COMPOSITION

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

Ck45

0.42-0.50

0.50-0.80

0.04

0.035

0.035

 

 

ST52

0.22

1.6

0.55

0.035

0.04

 

 

20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

0.035

0.035

0.10-0.20

 

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

0.03

0.03

 

0.90-1.20

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

 

 

 

0.80-1.10

2.MECHANCIAL PROPERTIES

Material

T.S  N/MM2

Y.S  N/MM2

E%(MIN)

CHARPY

CONDITION

CK45

610

355

15

>41J

NORMALIZE

CK45

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

3. SUPPLY CONDITION

    Ground  and  chrome plated 

4. CHROME THICKNESS

     20 to 30 micron

5. SURFACE ROUGHNESS

     Ra≤0.2 micron and  Rt≤2 micro

6. TOLERANCES ON DIA

    ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. STRAIGHTNESs

   ≤0.2MM/M

9. SURFACE HARDNESS

   850-1150HV (vickers 100g)

10.COHESION

   No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)

11 .POROSITY

     Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

12 CORROSION RESISTANCE

     Test in natural salt spray according to ASTM B 117-72hours

     Results evaluation according to ISO 4540 RATING 7-10

Contact Supplier

Mr. Robin Gao Manager Chat Now
Telephone
86-635-8888909
Mobile
15336359770
Fax
86-635-8886535
Address
South Side,Eastern End Of Liaohe Road,Liaocheng Development Zone Liaocheng,Shandong

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