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**Product Specifications**
Model NO.: Dia 30mm
Precision: H7/G6
Surface Hardness: HRC58-60
Chrome Layer Hardness: Hv800-1000
Roughness: 0.2μm-0.4μm
Axis Straightness: 0.15mm/1000mm
Chrome Layer Thickness: 15μm ~ 25μm (Customized)
Trademark: WF
Transport Package: Paper Sleeve and Wooden Box
Specification: Dia 3-120mm
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 advanced economy and proximity to Shanghai, one of the major international ports. Established in 2009, we are a specialized manufacturer focusing on the production of piston rods and linear shafts. Our products are widely used in hydraulic and pneumatic systems, industrial machinery, and heavy equipment.
Quality is the core of our business, and customer satisfaction is our ultimate goal. We pride ourselves on delivering high-quality components that meet strict industry standards.
**Main Products:**
- Hard Chrome Plated Rod
- Hydraulic Piston Rod
- Cylinder Piston Rod
- Chromium Rods
- Hard Chrome Shaft
- Induction Rod
- Induction Shaft
**Material:**
JIS S45C, SAE1045, DIN CK45
Our hard chrome-plated piston rods are made from high-quality materials and undergo precision machining followed by surface chromium treatment. This process ensures a surface precision level of **f7**, with a minimum hardness of **HV800**. The result is a product that offers excellent wear resistance and a longer service life, helping customers reduce maintenance costs.
We conduct corrosion resistance testing in our own salt spray laboratory. The surface heat treatment achieves a hardness of **HRC55±2°** with a hardened depth ranging between **0.5mm to 3mm**. After this, the rods go through precision milling and hard chrome plating, with a coating thickness of **20 microns ±10%**, significantly improving their durability and performance.
These high-performance rods are ideal for use in **heavy machinery, construction equipment, and various industrial applications**. Our chromed steel bars and tubes are essential components in hydraulic and pneumatic cylinders found in agricultural machinery, lifting equipment, material handling systems, waste collection, and more.
**Company Capability**
**Product Specifications Table**
| 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 | HRC58-60 |
| 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 |
**Chrome Plated Steel Bars:**
Our chrome-plated bars are manufactured from medium carbon cold-finished or hot-rolled steel, typically in 1045 grade. They are centerless ground, polished, and chrome-plated to a minimum thickness of 0.0005" per side. These bars are ideal for most piston rod applications in hydraulic and pneumatic cylinders.
**Induction Hardened Chrome Plated Bars:**
Produced using advanced techniques on JIS S45C, SAE1045, or DIN CK45 steel rods, these bars undergo surface removal, polishing, induction hardening, and hard chrome plating. The final product is an impact-resistant bar suitable for high-quality piston rods designed for tough environments.
**Applications:**
- Hydraulic cylinder rods
- Farm equipment machinery
- Pin stock for equipment attachments
**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) | 0.2-0.4um |
| Tolerance INT | DIN2391 H8 |
**Cold Drawn Seamless Mechanical Tubing (CDS):**
This is a cold-drawn 1020 steel tube, produced from piercing hot-rolled bar stock. The cold drawing process improves the tube's physical properties and reduces machine time costs. It offers better OD and ID uniformity, enhanced machinability, increased strength, and tighter tolerances compared to hot-rolled products.
**Applications:**
- Hydraulic cylinders
- Rollers
- Structural applications
- Truck and automotive parts
- Heavy equipment
- Agricultural components
- 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 top Chinese brands, ensuring high density and consistent quality. Our products are well-received by clients for their competitive pricing and superior quality.
**Wish You a Happy New Year!**
**Applications Include:**
- Plastic injection molding machines
- Working servos
- Construction equipment
- Rubber molding machines
- Papermaking machines
- Printing machines
- Refrigeration equipment
- Food and chemical machinery
- Loading equipment
- Fiber spinning equipment
- Agricultural equipment
- Automotive and shipbuilding industries
**Contact Us:**
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)