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42CrMo4 Shock Absorber Hollow Piston Rod Hard Chrome Plating
42CrMo4 Shock Absorber Hollow Piston Rod Hard Chrome Plating
Specifications
Brand Name :
HY
Certification :
IS09001:2008
Place of Origin :
China
MOQ :
5 tons
Price :
Negotiation
Supply Ability :
30tons a day
Delivery Time :
30days
Packaging Details :
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Product :
Hollow piston rod
Raw Material :
CK45 ,ST52 ,20MnV6 ,42CrMo4 ,40Cr
External Diameter :
6mm - 1000mm
Length :
1000mm - 8000mm
Surface treatment :
Hard chrome plating
Standard :
DIN,API,ASTM,SAE,AISI,GB,JIS
Description

Custom Hollow Shock Absorber Boom Hydraulic Cylinder Pistons Rods

Name
Piston Rod
Diameters
6-300mm
Length
100mm-1200mm
Steel grade
DIN CK45 JIS 45C ASTM 1045 SAE 1045 AISI 1045
Tolerance
ISO f7
Chrome thickness
20μm(min)
Hardness of the chrome layer
850HV(min)
Roughness
Ra 0.2μm(max)
Straightness
0.2/1000mm
Mechanical Properties(ck45)
Yield strength≥20Mpa
Tensile strengh≥80 Mpa
Elongation≥5%

Supply condition
1. Hard chrome plated
2. Induction hardened
3. Quenched & Tempered
4. Induction hardened with Q&T



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

42CrMo4 Shock Absorber Hollow Piston Rod Hard Chrome Plating

Product tags

hard chrome plated piston rod

,

material of piston rod

,

piston rod material
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42CrMo4 Shock Absorber Hollow Piston Rod Hard Chrome Plating

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Product Detail
Brand Name :
HY
Certification :
IS09001:2008
Place of Origin :
China
MOQ :
5 tons
Price :
Negotiation
Supply Ability :
30tons a day
Contact Supplier
42CrMo4 Shock Absorber Hollow Piston Rod Hard Chrome Plating

Jiangsu New Heyi Machinery Co., Ltd

Verified Supplier
13 Years
jiangsu, wuxi
Since 1999
Business Type :
Manufacturer
Main Products :
Chrome Piston Rod, Hollow Piston Rod, Hydraulic Piston Rods
Total Annual :
10 Million-11 Million
Employee Number :
200~300
Certification Level :
Verified Supplier
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