Hard Chrome Rods
Our Grounded Bars are manufactured using advanced induction hardening, precision grinding, and hard chrome electroplating processes to ensure exceptional surface hardness, superior wear resistance, and excellent corrosion protection. Designed to meet the demanding requirements of hydraulic, pneumatic, and heavy-duty industrial applications, our hard chrome rods deliver consistent performance and extended service life in challenging operating environments.
The production process includes strict quality control at every stage — from premium raw material selection to controlled heat treatment, precision grinding, and uniform chrome plating. The hard chrome layer provides enhanced surface hardness, low friction, and improved resistance to abrasion and pitting. The finely finished surface ensures smooth operation, better sealing performance, and reduced maintenance requirements, improving overall equipment efficiency.
We maintain tight dimensional tolerances and comply with international industry standards to supply reliable and high-performance hard chrome rods suitable for critical applications. Whether used in hydraulic cylinders, piston rods, construction equipment, or industrial machinery, our hard chrome rods are developed to provide durability, strength, and dependable performance under high pressure and continuous operation.
| Parameter | Specification |
|---|---|
| Diameter Tolerance | f7, f8 or as per customer requirement (as per ISO 286). |
| Surface Finish | Hard Chrome Plated, Super Finished & Polished. |
| Diameter Range | 10mm to 200mm Diameter (custom sizes available). |
| Base Material Grades | EN8D, C45, CK45, 20MnV6, SAE 1045, 42CrMo4 or as per customer requirement. |
| Chrome Thickness | 20 – 30 microns standard (higher thickness available on request). |
| Surface Hardness | 850 – 1100 HV (Vickers Hardness). |
| Surface Roughness | Ra ≤ 0.2 microns. |
| Straightness | Maximum 0.2mm per meter length. |
| Corrosion Resistance | Minimum 96 hours Salt Spray Test (as per ASTM B117). |
| Crack Test | Magnetic Particle Inspection (MPI) on request. |
| Heat Treatment | Induction Hardened & Tempered / Q&T as required. |
| Applications | Hydraulic & Pneumatic Cylinders, Industrial Machinery, Construction Equipment, Material Handling Systems. |
| Material Test Certificate | MTC as per EN 10204 / 3.1 |