Hydraulic Cylinders

At Rock Well Engineering (M) Sdn Bhd, we specialize in the manufacture and supply of custom-built hydraulic cylinders for your needs. Whether building to our proven designs or using our advanced manufacturing capabilities to efficiently produce your existing design, customers are ensured of receiving a hydraulic cylinder that is safe and reliable.

Engineering & Fabrication

• Obsolete Cylinders
• Cylinder without spares
• Cylinder modifications to address an issue
• Standardization (interchangeable) of cylinder components
• OEM specific cylinders
• Cylinder without documentation/drawings

Cylinder Capabilities

Standard Materials

Hard Chrome Rod
- Steel Grade: C45E (EN10083)
- Tolerance: ISO f7
- Roundness: diameter tolerance / 2
- Standard Length: - for Ø ≤ 60 mm: 5600 – 6200 mm
- for Ø ≥ 60 mm: 5800 – 7200mm
- Surface Roughness: Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm)
- Chrome Layer Thickness: ≤ Ø20 mm: min. 15 µm
≥ Ø20 mm: min. 20 µm
- Chrome Layer Hardness: min. 900 HV(0.1)
- Straightness: ≤ Ø16 mm: max. 0.3 mm : 1000 mm
> Ø16 mm: max. 0.2 mm : 1000 mm
- Mechanical Properties: according to EN 10083-2

Induction Hardened Chromed Rod
- Steel Grade: C45E (EN10083)
- Tolerance: ISO f7
- Roundness: diameter tolerance / 2
- Standard Length: - for Ø ≤ 60 mm: 5600 – 6200 mm
- for Ø ≥ 60 mm: 5800 – 7200mm
- Surface Roughness: Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm)
- Surface Hardness: min. 55 HRC
- Hardened Layer Depth: From 0.4 to 3.5 mm
- Chrome Layer Thickness: ≤ Ø20 mm: min. 15 µm
≥ Ø20 mm: min. 20 µm
- Chrome Layer Hardness: min. 900 HV(0.1)
- Straightness: ≤ Ø16 mm: max. 0.3 mm : 1000 mm
> Ø16 mm: max. 0.2 mm : 1000 mm
- Mechanical Properties: according to EN 10083-2

Skived and Roller Burnished Tube
- Steel Grade: E355 (EN 10305-1) / St52-3 (DIN 2391)
- Heat Treatment: +SR (EN 10305-1) / BK+S (DIN 2391)
- Tolerance: ISO H8
- Standard Length: 5000 – 8000 mm
- Surface Finish (ID): Ra ≤ 0.22 µm