Suzhou Weipeng Precision Machinery Co., Ltd. is a leading manufacturer based in Suzhou, a city known for its advanced economy and proximity to Shanghai, one of China's major international ports. Established in 2009, the company specializes in the production of high-quality piston rods and linear shafts for hydraulic and pneumatic cylinders. With a strong commitment to quality, our goal is to deliver products that meet and exceed customer expectations.
Our main product range includes Hard Chrome Plated Rods, Hydraulic Piston Rods, Chromium Rods, Induction Hardened Rods, and more. These products are made from premium materials such as JIS S45C, SAE1045, and DIN CK45, ensuring durability and performance. The rods undergo precision machining, surface chromium plating, and heat treatment to achieve a surface hardness of at least HV800 and a chrome layer thickness of 15–25 microns. This process enhances wear resistance and extends the service life of the components, offering long-term value to our clients.
In addition to piston rods, we also produce honed tubes used in hydraulic cylinders and other industrial applications. Our tubes are manufactured using cold-drawn seamless technology, providing superior dimensional accuracy, mechanical properties, and surface finish. They are ideal for use in heavy machinery, construction equipment, agricultural tools, and automotive parts.
We have a comprehensive testing facility, including a salt spray chamber, to ensure corrosion resistance and reliability. Our products are widely used in industries such as agriculture, construction, manufacturing, and transportation. Whether you're looking for standard or customized solutions, we are here to support your needs.
**Product Specifications:**
| **Item** | **Hard Chrome Plated Rod** | **Induction Hard Chrome Rod** |
|------------------------|----------------------------------|----------------------------------|
| **Place of Origin** | Jiangsu, China | Jiangsu, China |
| **Material** | JIS S45C, SAE1045, DIN CK45 | JIS S45C, SAE1045, DIN CK45 |
| **Length** | 1000-6000mm | 1000-6000mm |
| **Shaft Diameter** | 3-120mm | 3-120mm |
| **Surface Hardness** | Not hardened or hardened | HRC58–60 |
| **Chrome Layer Hardness** | Above HV800 | Above HV800 |
| **Chrome Layer Thickness** | 15–25μm (Customized) | 15–25μm (Customized) |
| **Surface Hardening Depth** | / | 0.8–3mm |
| **Axis Straightness** | 0.15mm/1000mm | 0.15mm/1000mm |
| **Roughness** | Ra 0.2–0.4μm | Ra 0.2–0.6μm |
| **Precision** | G6/F7 | G6/F7 |
**Honed Tubes:**
| **Item** | **Honed Tube** |
|------------------------|----------------------------------|
| **Raw Material** | DIN ST52, SAE1020 |
| **Pressure & Temperature Classification** | High pressure & temperature piping |
| **Inner Diameter** | 40mm–320mm |
| **Outer Diameter** | 50–400mm |
| **Thickness** | 5–40mm |
| **Length** | 7000mm |
| **Straightness** | Max 0.5/1000mm |
| **Inside Surface Roughness (Ra)** | 0.2–0.4μm |
| **Tolerance INT** | DIN2391 H8 |
At Suzhou Weipeng, we take pride in our ability to deliver high-quality, precision-engineered components tailored to meet the specific needs of our customers. Our products are used in a wide range of applications, including hydraulic systems, agricultural machinery, construction equipment, and more.
For more information or to place an order, feel free to contact us:
**SUZHOU WEIPENG PRECISION MACHINERY CO., LTD**
**Address:** No. 98 Changjiang Road, National Hi-Tech District, 215010, Suzhou, P.R.C
**Tel:** +86-512-68387269
**Fax:** +86-512-68387269
**Website:** [www.wepauto.com](http://www.wepauto.com) | [www.chromedbar.com](http://www.chromedbar.com)
Wishing you a successful and prosperous year ahead!
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