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It goes through the machining process of cold drawn, peeling, centerless grinding, polishing, and hard chrome plating, in order to enhance the surface hardness for friction and corrosion resistance; the material will also be easier for further machining, and its precision can achieve international standard.
- Material：JIS S45C、SAE1045、DIN CK45、EN8
- Application：Hydraulic/ Pneumatic Cylinder, Engineering Machine, Hydraulic/ Pneumatic Auto Machine, Plastic Injection Molding Machine.
- Thickness of Chrome Layer：
＜Φ20 15μm min.
≧ Φ20 20μm min.
- Hardness of Chrome Layer： HV850 min. (0.1)
- Surface Roughness：Ra 0.2μm max.
- External Diameter Accuracy：ISO h7、f7、h8、f8、g6
- Straightness： 0.3mm/M
- Roundness： 1/2Tolerance
●Available Stock Sizes：
|
| O.D. (mm) |
Length (mm) |
| Φ 6 |
2500 |
| Φ 8 ~ Φ 25 |
3000 |
| Φ28 ~ Φ200 |
3000 / 6000 |
| Special material, length, size, accuracy and manufacturing process can be made to order. |
|
●Material Grade/ Chemical Composition, Mechanical Property
|
| Spec. |
Chemical Composition % |
Forging Temperature |
Application |
| JIS |
DIN |
C |
Si |
Mn |
P |
S |
°C |
| S45C |
CK45 |
0.42
|
0.48 |
0.15
|
0.35 |
0.60
|
0.90 |
<0.030 |
<0.035 |
1050~1150
Annealing |
Crankshaft
Shaft |
|
| Spec. |
Mechanical Property |
Heat Treatment |
| JIS |
DIN |
Yield Point kg/mm2 |
Tensile Strength kg/mm2 |
EL % |
RA% |
HB |
Normalizing °C |
Annealing °C |
Quenching °C |
Tempering °C |
| S45C |
CK45 |
>35 |
>58 |
>20 |
-- |
167
|
229 |
820
|
870
Air cooling |
About 810
Furnace cooling |
-- |
-- |
| -- |
-- |
-- |
-- |
137
|
170 |
820
|
870
Hydro cooling |
550
|
650
Chilling |
| >50 |
>70 |
>17 |
>45 |
204
|
269 |
-- |
|
S45C HARD CHROME PLATED STEEL BAR
S45C HARD CHROME PLATED STEEL BAR
