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**Product Specifications**
- **Model No.:** 8mm Hard Chrome Rod
- **Chrome Layer Thickness:** 15μm ~ 25μm (Customized)
- **Roughness:** Ra 0.2μm ~ 0.4μm
- **Axis Straightness:** 0.15mm / 1000mm
- **Surface Hardness:** HRC 58–60
- **Surface Hardening Depth:** 0.8–3mm
- **Trademark:** WF
- **Transport Package:** Paper Sleeve and Wooden Box
- **Specification:** Dia 80mm
- **Origin:** China
- **HS Code:** 8483109000
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**Company Overview**
Suzhou Weipeng Precision Machinery Co., Ltd. is located in Suzhou, a city known for its thriving foreign trade and proximity to Shanghai, one of the world’s major ports. Established in 2009, we are a manufacturing company specializing in the production of piston rods and linear shafts. With years of experience, we have built a solid reputation for delivering high-quality products that meet international standards.
**Quality is the Life of Enterprise. Your Satisfaction is Our Goal.**
We offer a wide range of high-quality tube and piston products tailored for hydraulic and pneumatic cylinders. Our main products include:
- Hard Chrome Plated Rod
- Hydraulic Piston Rod
- Cylinder Piston Rod
- Chromium Rods
- Hard Chrome Shaft
- Induction Rod
- Induction Shaft
**Materials Used:** JIS S45C, SAE1045, DIN CK45
Our hard chromium piston rods are manufactured using advanced processes. They begin with precision milling and then undergo surface chromium treatment, achieving a surface precision level of **f7**, with a surface hardness of **HV800 minimum**. This not only enhances wear resistance but also extends the service life of the rods, helping customers reduce long-term costs.
The corrosion resistance of our products is tested in an in-house salt spray laboratory. The rods are subjected to surface heat treatment, reaching a hardness of **HRC 55° ± 2°**, with a **hardened depth between 0.5mm – 3mm**. After this, they go through precision milling and hard chrome plating, resulting in a coating thickness of **20 microns ± 10%**, significantly improving wear resistance and extending the product's lifespan.
Our products are ideal for use in heavy machinery, construction equipment, and as positioning components for various heavy-duty applications. Chromed steel bars and tubes from Suzhou Weipeng are widely used in the fabrication of hydraulic and pneumatic cylinders found in agricultural machinery, lifting equipment, material handling systems, waste collection, and more.
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**Company Capabilities**
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
[Image: 8mm X 1m Cylinder Linear Rail Linear Shaft Optical Axis]
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**Main 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 | Without hardened or hardened | HRC 58–60 |
| Chrome Layer Hardness | Above HV800 | Above HV800 |
| Chrome Layer Thickness | 15μm ~ 25μm (Customized) | 15μm ~ 25μm (Customized) |
| Surface Hardening Depth | / | 0.8–3mm |
| Axis Straightness | 0.15mm / 1000mm | 0.15mm / 1000mm |
| Roughness | Ra 0.2μm ~ 0.4μm | Ra 0.2μm ~ 0.6μm |
| Precision | G6/F7 | G6/F7 |
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**Chrome Plated Steel Bars**
Our chrome-plated bars are made from medium carbon cold-finished or hot-rolled steel bars, typically in 1045 grades. They are centerless ground, polished, and chrome plated to a minimum thickness of 0.0005", with 0.001" per side. These bars are specifically designed for most piston rod applications in hydraulic and pneumatic cylinders.
**Induction Hardened Chrome Plated Bars**
These bars are produced using advanced techniques on JIS S45C, SAE1045, or DIN CK45 steel rods. They go through surface removal, polishing, induction hardening, and finally hard chrome plating. This results in a durable, impact-resistant bar suitable for high-quality piston rods used in harsh environments.
**Applications Include:**
- Linear motion guides
- Hydraulic cylinder rods
- Plastic injection molding machines
- Construction equipment
- Rubber molding machines
- Papermaking machines
- Printing machines
- Refrigeration equipment
- Food and chemical machinery
- Loading equipment
- Fiber spinning equipment
- Textile machinery
- Agricultural equipment
- Automotive and shipbuilding industries
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**Honed Tubes**
- **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 – 0.4um
- **Tolerance INT:** DIN 2391 H8
**Cold Drawn Seamless Mechanical Tubing (CDS)**
Produced from piercing hot rolled bar stock, CDS tubing is cold-drawn to enhance physical properties, reduce machining time, and provide better dimensional control. It offers improved OD/ID uniformity, enhanced machinability, increased strength, and tighter tolerances compared to hot-finished products.
**Applications:**
- Hydraulic cylinders
- Truck and automotive parts
- Heavy equipment
- Agricultural components
- Auto and truck axles, suspension parts, shock absorbers
- High-speed shafts and rollers
- Bearings and spacers, roll cages, and other machined tubular parts
Our raw materials come from well-known Chinese brands, ensuring high density and consistent quality. Our products are highly appreciated by clients for their competitive pricing and superior performance.
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**Contact Us**
Wishing you a happy new year! If you're interested in our products, feel free to reach out.
**SUZHOU WEIPENG PRECISION MACHINERY CO., LTD**
**Address:** No.98 Changjiang Road, National Hi-Tech District, 215010, Suzhou, P.R.C
**Tel:** 0086-512-68387269
**Fax:** 0086-512-68387269
**Website:** [www.wepauto.com](http://www.wepauto.com) | [www.chromedbar.com](http://www.chromedbar.com)