|
|
HARD CHROMIUM PISTON
RODS
|
| |
|
|
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REMARK : |
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External Diameter
Accuracy :
|
f 8 |
|
Surface Roughness
:
|
Ra0.2£gm~Ra0.4£gm |
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Hard Chrome Thickness
:
|
20Micron ¡Ó 10% |
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Surface Hardness
:
|
HV 850(Minimum) up |
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Standard Length
:
|
3M~6M up |
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Standard Size
:
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6
~ 200 |
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Material :
|
JIS S45C, SAE1045,
DIN CK45,
Special Specifications & materials
can be Custom-made |
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Purpose
:
Piston rod (chromed-plated steel bar)for pneumatic
and hydraulic cylinder, |
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|
Spec
|
Chemical Analysis
(%)
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ForgingTemperature
|
|
JIS
|
DIN
|
C
|
Si
|
Mn
|
P
|
S
|
¢X C
|
|
S45C
|
CK45
|
0.42-0.48
|
0.15-0.35
|
0.60-0.90
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<0.030
|
<0.035
|
1050-1150
Slow Cooling
|
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Induction
|
Machine
Function
|
Application
|
|
Normalizing
¢XC
|
Annealing
¢XC
|
Quenching
¢XC
|
Tempering
¢XC
|
Yield
Point
(Y.P)Kgf/ 
|
Tensile
Strength
(T.S)Kgf/
|
Elongation
(EL)%
|
twist
%
|
Hardness
HB
|
|
820-870
Air Cooling
|
|
|
|
>35
|
>58
|
>20
|
----
|
167-229
|
Bend
Axle Axles
|
|
810
Furnace Cooling
|
|
|
|
----
|
820-870
Water Cooling
|
550-650
Quenching
|
----
|
----
|
----
|
----
|
137-170
|
|
----
|
----
|
>50
|
>70
|
>17
|
>45
|
204-269
|
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|
