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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Hydraulic Cylinder Hard Chrome Plated Piston Rod With 42CrMo For Hydraulic Machine
Detailed Product Description
1. Material:42CrMo
2. IS09001:2008
3. Advanced inspection apparutus
4. Ground and chrome plated
5. Complete manufactured equipment
Detailed Description
1.CHEMICAL COMPOSITION
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| 42CrMo | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 |
| 0.90-1.2 |
2.MECHANCIAL PROPERTIES
| Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
| 42CrMo | 980 | 850 | 14 | >47J | 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
We have complete piston rod manufactured equipment covering all processes. The critical processes of heat treatment and chrome plating are finished in our own company, which ensure the quality control of the key technical requirements.
