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Steel Bar Linear Guide Rod Shaft for 3D Printer Axis
**Product Specifications**
Model NO.: 3D Printer Linear Guides
Certification: ISO 9001:2008, SGS
Length: 1000-6000mm
Shaft Diameter: 12-120mm
Chrome Layer Hardness: Hv800-1000
Chrome Layer Thickness: 15μm ~ 25μm (Customized)
Roughness: Ra 0.2μm~0.4μm
Axis Straightness: 0.15mm/1000mm
Surface Hardness: HRC58-60
Trademark: WF
Transport Package: Paper Sleeve and Wooden Box
Specification: dia 3-120mm
Origin: China
HS Code: 8483109000
**Company Overview**
Suzhou Weipeng Precision Machinery Co., Ltd. is located in Suzhou, a city known for its strong foreign trade and proximity to Shanghai, one of the world’s major ports. Established in 2009, the company specializes in manufacturing high-quality piston rods and linear shafts. With a strong emphasis on quality, we believe that "Quality is the Life of the Enterprise," and our goal is to ensure customer satisfaction.
Our main products include hard chrome-plated rods, hydraulic piston rods, cylinder piston rods, chromium rods, hard chrome shafts, induction rods, and more. These are made from materials such as JIS S45C, SAE1045, and DIN CK45. Our process involves precision machining, surface treatment, and chrome plating to achieve high surface hardness (Hv800 minimum) and excellent wear resistance.
We also offer induction-hardened chrome-plated rods with surface hardness up to HRC58-60, hardened depth between 0.5mm and 3mm, and a chrome layer thickness of 15–25 microns. These products are ideal for heavy machinery, construction equipment, and various industrial applications.
Our company has extensive experience in producing precision steel bars and tubes used in hydraulic and pneumatic cylinders found in agricultural machinery, lifting equipment, and other industrial sectors. We have an internal salt spray testing lab to ensure corrosion resistance and product durability.
**Product Details**
1. **Hard Chrome Plated Rod vs. Induction Hard Chrome Rod**
| 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**
These are produced from medium carbon cold-finished or hot-rolled steel bars (usually 1045 grade), then centerless ground, polished, and chrome-plated to a minimum thickness of 0.0005" per side. They are ideal for use in hydraulic and pneumatic cylinders.
**Induction Hardened Chrome Plated Bars**
Made using advanced techniques on JIS S45C, SAE1045, or DIN CK45 steel rods, these bars undergo polishing, induction hardening, and hard chrome plating. The result is a durable bar suitable for harsh environments.
**Applications**
- Hydraulic cylinder rods
- Farm equipment
- Pin stock for attachments
2. **Honed Tube**
| Item | Specification |
|------|---------------|
| 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 that offers better OD and ID uniformity, enhanced machinability, and tighter tolerances compared to hot-finished tubing. It's widely used in hydraulic cylinders, automotive parts, and structural applications.
**Applications**
- Plastic injection molding machines
- Construction equipment
- Rubber molding machines
- Papermaking machines
- Refrigeration 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: +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 happy new year! If you're interested in our products, feel free to contact us anytime.