Forged Rolled Rings
- Material Versatility: Made from steel, carbon steel, stainless steel, alloy steel, and other metals specified by the customer.
- Heavy-Duty Capabilities: Maximum diameter 8000 mm, length 1200 mm, and weight up to 30 tons.
- High Precision Tolerance: Machining tolerance of ±0.01 mm for critical industrial applications.
- Excellent Surface Quality: Machining roughness up to Ra 0.4 ensures stability and performance.
Technical Specifications
| Parameter | Specification |
| Product Name | Forged Rolled Rings |
| Materials | Stainless Steel, Carbon Steel, and Alloy Steel |
| Max Diameter | 8000 mm |
| Max Length | 1200 mm |
| Max Weight | 30 Tons |
| Tolerance | ±0.01 mm |
| Surface Roughness | Max. Ra 0.4 |
| Dimensions | As customer required |
| Process | Forging → Rough Machining → Heat Treatment → Final Machining → Inspection |
| Machining Options | CNC Machining, Lathing, Milling, Turning, Boring, Drilling |
| Heat Treatment | Annealing, Normalizing, Quenching & Tempering, Hardening |
| Nondestructive Examination | MT, PT, UT, RT, others upon request |
| Applications | Marine, Weapons, Petrochemical, Mining, Nuclear, Thermal Power, Hydropower |
| Package | Seaworthy plywood cases or pallets |
| Delivery Time | 15–35 days |
| Markets | Europe, US, North America, Asia |
| Remarks | As per customer request |
Customization & OEM Service
- Rings can be fully customized based on drawings, materials, and performance requirements.
- Machining options tailored to customer specifications.
- Heat treatment plans designed for specific mechanical properties.
- OEM and ODM production available for both prototypes and mass orders.
- Additional NDT testing provided according to project standards.
Applications
- Marine engineering
- Weapons and defense components
- Petrochemical and refinery equipment
- Mining machinery and heavy industrial equipment
- Nuclear, thermal, and hydropower systems
- Large mechanical parts and precision assemblies
Manufacturing Capabilities
Forging Facilities
- 6300T / 3150T / 2000T free hydraulic presses.
- 5T, 3T, 2T, 1T, 750kg, 560kg electro-hydraulic hammers.
Heating Treatment Facilities
- RTX-9 series trolley furnaces in multiple sizes (5.5–8 m chamber length).
- RJ-9-850KW vertical furnace with 15 m depth.
- RTX-12-350KW high-temperature trolley furnace.
Machining Facilities
- CNC machines (max 32-ton load).
- Heavy-duty lathes and vertical mills (up to 70 tons).
- Gantry milling machines, deep-hole boring machines, grinding and turning centers.
Testing & Quality Control
- Spectrum analysis for chemical composition.
- Ultrasonic, non-destructive, and metallographic testing.
- Mechanical property test machines for yield, tensile, hardness.
Production Process
- Raw Material Selection: Use first-grade ingot steel, inspect chemical composition.
- Forging: Heat to precise temperature, perform open die or die forging.
- Heat Treatment: Quenching, tempering, or normalizing to meet mechanical targets.
- Machining: CNC turning, boring, milling, grinding, and drilling to precision ±0.01 mm.
- Inspection: Each shaft tested via 100% ultrasonic, hardness, and tensile checks.
- Packaging & Delivery: Anti-corrosion coating, safe transport packaging, global logistics support.
Additional Value-added Services
- Quench-and-temper heat treating
- Rough and finish turning
- Ultrasonic and mechanical testing
- Dimensional inspection reports
- Customized design and programming support
Quality Assurance
- Each forging carries a test bar for mechanical testing.
- 100% ultrasonic and visual inspection before shipment.
- Hardness, tensile, and metallographic verification.
- Compliance with ASTM, DIN, GB, and EN standards.
Why Choose Boberry
Integrated Production
Complete forging-to-machining production line ensures precision and fast delivery.
Advanced Equipment
Heavy-duty forging presses and CNC systems handle large, complex mechanical component geometries.
Certified Assurance
Certified production with ISO9001, PED, SGS compliance and global OEM support.
Logistics & Delivery
Lead Time: 15–30 days (urgent) / 30–45 days (normal).
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.