Precision Balls for Oil & Gas
Severe service balls for downhole drilling and corrosive petrochemical environments. Manufactured to tight ISO 3290 and DIN 5401 standards with certified material traceability and zero-defect optical inspection.
Meeting the Demands of Oil & Gas Applications
The petrochemical industry operates in some of the harshest environments on Earth. Our severe-service balls are engineered to resist highly abrasive drilling muds, sour gas (H2S), and extreme temperatures. We provide the critical components that keep offshore rigs and frac pumps operating safely.
Rama & Sons supplies OEMs, tier-1 suppliers, and specialized sub-assembly manufacturers worldwide with precision spheres that guarantee long service life, high fatigue strength, and smooth rotational performance.

Primary Sub-Assemblies & Applications
- Frac Pumps
- Downhole Drilling Tools
- Subsea Valves
- Flow Meters
Recommended Alloys & Metallurgy
We also engineer custom alloys, non-standard diameters (like 4.789mm), and specific heat-treated hardness levels to meet your engineering drawings.
Products Engineered for Oil & Gas

Hastelloy Balls
Hastelloy balls, renowned for outstanding resistance to a wide range of corrosive media, including strong acids and chlorides. Supplied by Rama & Sons for critical chemical applications.

Stellite Balls
Wear-resistant Stellite balls from Rama & Sons. These cobalt-chromium alloys are ideal for high-wear, high-temperature, and corrosive applications such as valves and pumps.

Tungsten Carbide Balls
High-density tungsten and tungsten carbide balls from Rama & Sons, suitable for applications requiring high mass in a small volume, extreme hardness, or radiation shielding.
Frequently Asked Questions: Oil & Gas
Need Custom Precision Balls for Oil & Gas?
Contact our application engineers for material selection guidance, sample testing batches, and global delivery schedules.