Jiangsu New Heyi Machinery Co., Ltd
Jiangsu New Heyi Machinery Co., Ltd Be the benchmark in the field of China pneumatic and hydraulic piston rod.
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Custom Hollow Shock Absorber Boom Hydraulic Cylinder Pistons Rods For Hydraulic Cylinders
The longest length of the shaft is 6000mm. And we can process according to your requirement about the length. If there is some other requirement such as threading, punching, stepped shaft, slotting, slotting for key, side angle, and so on, please send detail design drawing to us, we will manufacture it and delivery to you according to your design drawing.
Detailed Product Description
| Diameters: | ∅6-300mm |
| Length: | 3000-8000mm |
| Material: | 45# DIN CK45 JIS 45C SAE1045 ST52 |
| Tolerance: | ISO f7 |
| Chrome thickness: | 20µm(min) |
| Hard of the chrome layer: | 850Hv(min) |
| Roughness: | Ra 0.2µm(max) |
| Straightness: | 0.2/1000mm(max) |
| Mechanical properties: | Yield strength≥320Mpa Tensile strength≥580Mpa Elongation≥15% |
| Cohesion: | No cracks,breaking or detaching after thermic shock |
| Packing: | Anti rust oil to be applied on material and each rod to be packed in paper sleeve |
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 |
