Hard Chrome Plated Bars
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Hard Chrome Plated Bars
Hard Chrome Plated Bars are precision ground and chrome-plated steel rods designed for use in hydraulic and pneumatic cylinders, guide rods, and linear motion systems. These bars offer exceptional surface hardness, corrosion resistance, and a mirror-like finish that ensures extended seal life and reduced friction. Manufactured to tight tolerances, they are ideal for applications requiring superior wear performance under high loads and harsh conditions.
- High surface hardness and excellent wear resistance
- Corrosion-resistant chrome finish for harsh environments
- Mirror-like finish improves seal performance and reduces friction
- High dimensional accuracy and straightness
- Long service life with minimal maintenance
Specification
| Specification | Details |
|---|---|
| Base Material | CK45, 20MnV6, 42CrMo4, ST52, EN8D |
| Types | Hard Chrome Plated Solid Bars, Induction Hardened Chrome Bars, Chrome Plated Hollow Bars (Tubular Rods), Chrome Plated Tie Rods |
| Chrome Thickness | 20 – 30 microns (customizable up to 50µm) |
| Diameter Range | 12mm to 200mm |
| Length | Up to 7 meters or custom lengths |
| Surface Roughness (Ra) | ≤ 0.2 µm |
| Hardness of Chrome Layer | 800 – 1000 HV |
| Straightness | ≤ 0.2mm/m |
| Standards | EN 10083, DIN 2391, ASTM A108 |
| Applications | Hydraulic cylinders, machine shafts, linear guides, injection molds |
Physical Properties
| Property | Value | Unit |
|---|---|---|
| Density | 7.85 | g/cm³ |
| Tensile Strength | 600 – 800 | MPa |
| Yield Strength | 355 – 520 | MPa |
| Hardness (Chrome Layer) | 800 – 1000 | HV |
| Surface Roughness (Ra) | ≤ 0.2 | µm |
| Chrome Adhesion | No flaking or peeling (bend test passed) | - |
| Corrosion Resistance | Passes 120+ hrs salt spray test | ASTM B117 |