20-30 Micron F7 Hydraulic Piston Rods Micro Alloy Steel ISO Approval

20-30 Micron F7 Hydraulic Piston Rods Micro Alloy Steel ISO Approval

Description:Product Details:Plac...

Product Details

Product Details:

Place of Origin:China
Brand Name:HY
Certification:ISO9001:2008

Payment & Shipping Terms:

Minimum Order Quantity:1 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:T/T, L/C
Supply Ability:30tons a day


20-30 Micron ISO F7 Hydraulic Piston Rods For Hydraulic Cylinder

 

 

Detailed Product Description


1. Material: CK45, ST52, 20MnV6, 40Cr, 42CrMo4, HY4700, HY4520

2. Ground and chrome plated

3. Yield strength: Not less than 355 MPa
4. Tensile strength: Not less than 610 MPa
5. Our inspection equipment: Ultrasonic flaw detector, Surface roughness tester, Salt spray test machine, spectrometer, Chrome thickness test equipment, Shock test machine, Rockwell hardness tester, Microscopic hardness meter, Tensile testing machine ans so on.

 

 

Detailed Description

 

1. CHEMICAL COMPOSITION(%)

 

Material

C%

Mn%

Si%

S%

P%

V%

Ni

Cr%

Mo

Cu

ck45

0.42-0.50

0.50-0.80

0.17-0.37

≤0.035

≤0.035

 

≤0.25

≤0.25

 

≤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

≤0.30

 

≤0.30

42CrMo

0.38-0.45

0.5-0.8

0.17-0.37

≤0.035

≤0.035

0.07-0.12

≤0.03

0.90-1.20

0.15-0.25

≤0.03

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035

 

≤0.3

0.80-1.1

 

≤0.03

HY4700

0.38-0.45

1.20 ~1.60

0.30~0.50

≤0.035

≤0.020

0.05~0.15

≤0.25

0.10~0.20

≤0.15

0.25

HY4520

0.40 ~0.48

0.80 ~1.40

0.15 ~0.35

≤0.035

≤0.035

≤0.15

≤0.25

≤0.25

≤0.15

≤0.25

 

 

2.  MECHANICAL PROPERTIES

 

Material

T.S /    Rm(MPa)

Y.S /     Rel(MPa)

 A%

 

CHARPY

 

CONDITION

ck45

610

355

16

>41J

 Normalized

ck45

800

540

20

>41J

  Q+T

ST52

500

355

22

 

 Normalized

20MnV6

750

590

12

>40J

 Normalized

42CrMo4

980

850

14

>47J

 Q+T

  40Cr

1000

800

10

 

 Q+T

 

 

3. MICRO ALLOY STEEL

Material

MECHANICAL PROPERTIES

Surface hardness(HBW)

 Rm(MPa)

Rel(MPa)

A%

Z%

KU2(J)

 

HY4700

Φ35 - Φ100

900 - 1100

≥650

≥16

≥35

≥39

270-340

>Φ100 - Φ140

850 - 950

≥600

≥16

≥35

≥39

270-340

HY4520

Φ40 - Φ100

750 - 900

≥520

≥19

≥40

≥39

230-290

>Φ100~Φ140

750 - 900

≥520

≥17

≥35

≥39

230-290

 

 

 

 

 

 

 

 

 

 

4. SUPPLY CONDITION 

    Ground  and  chrome plated  

5. CHROME THICKNESS

     20 to 30 micron

6. SURFACE ROUGHNESS

     Ra≤0.2 micron and  Rt≤2 micron

7. TOLERANCES ON DIA

     ISO f7 on the diameter 

8.OVALITY 

    Half of the tolerance ISO f7

9. STRAIGHTNESS 

   ≤0.2MM/M

10 .SURFACE HARDNESS 

     850-1150HV (vickers 100g)

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 117-120hours

     Results evaluation according to ISO 4540 RATING 7-10

13. COHESION 

     No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

    and cooling in water)

14. WELDABILITY

     Good 

15. PACKING 

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

16. CERTIFICATE 

      All certificate related with material heat treatment and plating is required 

 

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