Rongda Metal offers high-quality CNC machined steel piston rings with tight tolerances and superior wear resistance. We provide custom OEM services for engines, compressors, and hydraulic systems. Request a quote today!
High-Performance Steel Piston Rings with Precision Engineering
At Rongda Metal, we specialize in manufacturing high-precision machined steel piston rings designed for demanding environments. Our rings provide exceptional sealing performance, heat stability, and durability for internal combustion engines and industrial machinery.
Key Specifications & Material Options
Material: Carbon Steel, Alloy Steel, Stainless Steel (e.g., 4140, 4340, 304/316).
Processing: Precision CNC Turning, Grinding, Heat Treatment.
Surface Treatment: Nitriding, Phosphating, Chrome Plating, or Plain.
Size Range: Custom sizes based on your technical drawings.
Tolerance: Up to ±0.01mm.
Why Choose Our Machined Steel Piston Rings?
Superior Material Strength: Compared to cast iron, our steel rings offer higher tensile strength and fatigue resistance.
Advanced CNC Technology: Ensures every ring meets exact dimensional specifications for a perfect fit.
Custom Engineering: We support OEM/ODM orders. Simply provide your CAD drawings or samples.
Rigid Quality Control: 100% inspection of flatness, gap clearance, and surface finish before shipping.
Applications of Our Piston & Sealing Rings
Our machined steel rings are widely used in:
Automotive and Heavy-duty Truck Engines
Air Compressors and Vacuum Pumps
Hydraulic and Pneumatic Cylinders
Marine Engines and Power Generation Units
Professional Piston Ring Manufacturer in China
Rongda Metal (Qingdao Rongda Machinery Technology Co., Ltd.) is a leading supplier of forged and machined metal components. With years of experience in metalworking, we provide global clients with reliable sealing solutions and fast turnaround times.
No. 7, inside No. 345, Linfu West Street, Yingdong Village, Beian Sub-district Office, Jimo District, Qingdao City, Shandong Province