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CK20 Hydraulic Cylinder Hollow Steel Bar With Chrome Plating For Heavy Machine

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CK20 Hydraulic Cylinder Hollow Steel Bar With Chrome Plating For Heavy Machine

Place of Origin : China

Brand Name : HY

MOQ : 5 tons

Price : Negotiation

Packaging Details : Anti rust oil to be applied on material and each rod to be packed in paper sleeve

Delivery Time : 30days

Payment Terms : CIF,FOB or other

Supply Ability : 30tons a day

Certification : ISO9001:2008

Product name : Hollow chrome piston rod

Length : 1000mm - 8000mm

Surface treatment : Hard chrome plating

Surface roughness : Ra≤0.2micron and Rt≤2micro

Surface hardness : 850-1150 HV (vickers 100g)

Straightness : Not more than 0.2 MM/M

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Hydraulic Cylinder Hollow Steel Bar , Stainless Steel Hollow Bar

Detailed Product Description

1. Material: 42CrMo4, 40Cr, CK45,ST52, 20MnV6
2. Standard length: 1000mm - 8000mm
3. Diameter: 6mm - 1000mm
4. Application: Mining machinery industry, textile / printing industry and so on
5. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened

Detailed Description
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
13. WELDABILITY
Good
14. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is required


CK20 Hydraulic Cylinder Hollow Steel Bar With Chrome Plating For Heavy Machine


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