Precision Parts

OEM reliable Custom forged Chrome plating hollow piston rod for hydraulic cylinder

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Detailed?Description

1.?Chemical composition

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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 |
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2.?Mechancial properties

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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 |
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3.?CNC turning

We can offer you economical complete machining operation with our up-to-date multi-axis CNC turning machines in one clamping setup.

4 Surface treatment

By hard chrome plating, salt bath nitriting, DLC, burnishing, galvanizing and passivation, your components obtain a high resistance to corrosion and wear. This means high endurance over the entire life of the product.

5 Service
OEM / After Market

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Our promise
1. The delivery time and the package can be controled according to the customers& acute; requirement completely.
2. We will produce the products seriously according to the drawings, and make sure all the products is suitable for the customers.?
3. We will communicate with the customers all the time about the products, we will send the pictures to the customers, so that they can know the Processing process.

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