Precision CK45 Induction Hardened Bar For Hydraulic Cylinder Customized
CK 45 Induction hardened bar for hydraulic cylinder
Detailed Product Description
1.Material:CK45
2.Ground and chrome plated
3.Diameter:6~1000mm
4.length:1000~8000mm
5.ISO9001:2008
6:Case depth:1.5mm~2.5mm Induction hardness:HRC55±5
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 |
|
|
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 |
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
