High Strength ST52 Cr-plating piston Round Hard Chrome Plated Rod

High Strength ST52 Cr-plating piston Round Hard Chrome Plated Rod

Negotiable /Piece

Min.Order:1 Piece

Supply Ability:
0 Piece / Pieces per Month
Payment Terms:
T/T L/C D/P D/A
Delivery Detail:
7 days

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Brand Name:
HY
Place of Origin:
China

China Cable Fittings Online Market

Business Type: Trading Company
Main Products:

Product Details

Delivery Time:30days

High Strength ST52  Cr-plating piston Round Hard Chrome Plated Rod

Detailed  Product  Description

1.Material:  42CrMo4, 40Cr, CK45,ST52,

2.ISO9001:2008

3.Diameter:6~1000mm

4.length:1000~8000mm

5.Ground and chrome plated

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

Contact Supplier

Mr. Louis sale Manager Chat Now
Telephone
86-0755-29724966
Mobile
86-13054698745
Fax
86-755-56809284
Skype
valvepipe
Address
Industrial Area A1, Fu Ping Road Yulin,Shaanxi

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