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CK45 , ST52 , 20MnV6 Hard Chrome Plated Bar , Precision Shaft For Heavy Machine

Place of Origin: Zhejiang

Company Profile

Location: Wuxi, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Piston Rod, Precision Shafts, Steel Hollow Shaft

Product Description

CK45, ST52, 20MnV6 Hard Chrome Plated Bar, Precision Shaft For Heavy Machine

 

 

Product Specifications

Piston Rod
Size: Ø 6-300mm
Length: 3m -8m 
Material: 45# DIN CK45/JIS 45C
Tolerance: ISO f7     
Chrome thickness: 20~30micron 
Hardness of  the chrome layer: 850HV(min)      
Roughness: Ra 0.2micron (max)
Straightness: 0.2/1000mm
Mechanical properties:  (CK45/JIS 45C)
Yield Strength ≥320 Mpa       
Tensile Strength ≥580 Mpa    

Elongation ≥ 15%

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

 

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