Our factory produces high quality chrome plated shafting with various types of materials. And ck45 chrome plated bar is the most popular product among these. As this product is widely used as hydraulic piston rod, so it is also well known as ck45 hydraulic piston rod.
Detailed Product Description
1. Material: CK45, Also known as C45, SAE 1045, 45#
2. Tensile strength: Not less than 610 Mpa
3. Yield strength: Not less than 355 Mpa
4. Advanced inspection apparatus
5. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened
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
Our CK45 chrome plated rods are chrome plated with chrome plating thickness of 20 to 30 microns
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 the hard chrome plated shafts, and each chrome plated shaft to be packed in cardboard sleeve.
15. CERTIFICATE
All certificate related with material heat treatment and plating will be supplied together with the chrome plated rods.
