Microalloyed Steels Chrome Rod For Hydraulic Cylinders With Energy Conservation

Microalloyed Steels Chrome Rod For Hydraulic Cylinders With Energy Conservation

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


 
Microalloyed Steels Chrome Rod For Hydraulic Cylinders With Energy Conservation
 

 
Product Description
1. Environments protection: Production no quenched and tempered process meets the requirements of
    environmental protection.
2. Energy conservation: Production no quenched and tempered process greatly saves the energy
    consumption.
3. The micro alloy steel products are developed on the basis of the proprietary technology of the control
    rolling and cooling for substituting quenched and tempered 42CrMo4, 40Cr and CK45 with a variety of
    mechanical performance requirements.
4. It is mainly used in mechanical manufacturing for the directly turning part of shaft and rod, etc
5. Stable and uniform mechanical properties.
6. Save manufacturing expenses and avoid waste in the tempering process
 
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. TOLERANCES ON DIA
     ISO f7 on the diameter 
8 .SURFACE HARDNESS 
     850-1150HV (vickers 100g)
9. STRAIGHTNESS 
   ≤0.2MM/M
10.OVALITY 
    Half of the tolerance ISO f7
11. COHESION 

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

    and cooling in water)
12.POROSITY
      Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

13. CORROSION RESISTANCE
     Test in natural salt spray according to ASTM B 117-120hours
     Results evaluation according to ISO 4540 RATING 7-10

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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