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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Standard Chrome Plated Stainless Steel Pipe Hydraulic Cylinder Hollow Piston Rod For Agriculitural Machinery
Detailed Product Description
1. Material: 42CrMo4, 40Cr, CK45,ST52, 20MnV6
2. IS09001:2008
3. Tensile strength: Not less than 610 N/MM2
4. Yield strength: Not less than 355 N/MM2
5. Application: Mining machinery industry, textile / printing industry and so on
| Product Name |
Chrome Plated Rod/Bar |
| Material | CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Stainless Steel 304/316/2205, etc. |
| Delivery Condition |
Hard Chrome Piston Rod ( HRC 15-20) |
| Straightness: | <= 0.2/1000 |
| Roughness: | Ra <= 0.2u |
| Diameter | As customer’s needs |
| Chrome layer | 20 micron (min) to 100 micron |
| Length | max 13m |
| Roundness | DIN2391, EN10305, GB/T 1619 |
| Tolerance | ISO f7/h8/g6 |
| Shape | Round |
| Protection: | anti-rust oil on outside surface,hard cardboard sleeve protection |
| Used | Hydraulic Cylinders |
| Packing: | wooden case |
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 |
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
