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[China]
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Address: Yangshan Industrial Park Huishan District Wuxi Jiangsu China
Contact name:Patty
Jiangsu New Heyi Machinery Co., Ltd |
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Adjustable Hydraulic Cylinder Hollow Piston Rod For Automobile
The piston rod is a connection part that supports the work of the piston. Most of them are used in oil cylinders and cylinder motion execution parts. It is a moving part with frequent movements and high technical requirements. Double/single acting shock absorber piston rod chrome plated threaded rod
Manufacturing process:
Precision slender shaft and piston rod with an outer diameter of 20 to 500mm and a length of 600 to 15000mm. It adopts advanced cold drawing, precision grinding and high-precision polishing. All technical indicators meet national standards.
Use of piston rod:
This product can be directly used in oil cylinders, cylinders, shock absorbers, textile printing and dyeing, printing machinery guides, die casting machines, injection molding machine guide rods and four-column press guide columns, fax machines, printers and other modern office machinery guide shaft Precision slender shafts are industry products for components.
Detailed Product Description
1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. Ground and chrome plated
3. length: 1000mm - 8000mm
4. Diameter: 6mm - 1000mm
5. Complete manufactured equipments
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 |
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ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 |
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20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 |
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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 |
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| 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
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
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 material and each rod to be packed in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is required
