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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High Strength Chrome Piston Rod Diameter 6mm - 1000mm with ISO f7
| Piston Rod |  |
| Size: Ø 6-300mm | |
| Length: 3m -8m | |
| Material: 45# DIN CK45/JIS 45C | |
| Tolerance: ISO f7 | |
| Chrome thickness: 20~30micron | |
| Hardness of the chrome layer: 850HV(min) | |
| Roughness: Ra 0.2micron (max) | |
| Straightness: 0.2/1000mm | |
| Mechanical properties: (CK45/JIS 45C) | |
| Yield Strength ≥320 Mpa | |
| Tensile Strength ≥580 Mpa | |
| Elongation ≥ 15% |
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 |
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
Our factory is located in Wuxi which is famous for the peaches. The transportation is very convenient, only 30 minutes to Wuxi Airport and railway station. About 1 kilometer from the entrance of the expressway access to Shanghai. The factory covers an area of about 25000 square meters and has more than 200 employees, among which more than 20 are technical engineers.
1.Q: What is your delivery time?
A: About 30~50 days according to your quantity.
2.Q: What's your main market?
A: We mainly export to Middle East and South Eastern Asia. And this year our products enter into South America.