ISO F7 Micro Alloy Steel Hydraulic Cylinder Rods Diameter 35-140 Mm Better Tensile Strength

ISO F7 Micro Alloy Steel Hydraulic Cylinder Rods Diameter 35-140 Mm Better Tensile Strength

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


 

 

ISO F7 Micro Alloy Steel Hydraulic Cylinder Rods Diameter 35-140 Mm Better Tensile Strength
 

 
Product Description


1. The directly turning non-quenched and tempered steel products are used for manufacturing injection

    molding machine draglink, engineering machinery push rod and hydraulic prop with the feature that

    hardened and tempered steel mechanical property needless quenched and tempered process.

2. Hardness: Hardness is more uniform on the whole cross section than quenched and tempered

    42CrMo4, 40Cr and CK45

3. Turning performance: Turning performance is commensurate to 42CrMo4, 40Cr and CK45 or be

    superior to them.
4. Save manufacturing expenses and avoid waste in the tempering process.
5. Shortened processing periods, enhance productivity and reduce the occupied capital.

6. Low processing cost, needless quenched and tempered process and the second turning
 


Detailed Description
 
1. MATERIAL: HY4700, HY4520
 
2. CHEMICAL COMPOSITION(%)

Material

C%

Mn%

Si%

S%

P%

V%

Ni

Cr%

Mo

Cu

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

 
 
3. MECHANICAL PROPERTIES
 

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 .SURFACE HARDNESS 
     850-1150HV (vickers 100g)
8. STRAIGHTNESS 
   ≤0.2MM/M

9. TOLERANCES ON DIA
     ISO f7 on the diameter
10.OVALITY 
    Half of the tolerance ISO f7
 
11. CORROSION RESISTANCE
     Test in natural salt spray according to ASTM B 117-120hours
     Results evaluation according to ISO 4540 RATING 7-10

12. COHESION 

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

    and cooling in water)

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

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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