Big Size Forged Shafts
- Large-Dimension Capability: Production of long shafts up to several meters & multi-ton sections (size based on drawings).
- High Mechanical Strength: Forging improves tensile strength (up to 650–950 MPa depending on material).
- Material Flexibility: Nickel alloys, carbon steel, alloy steel, and stainless steel for high temperature, corrosion, or load requirements.
- Precision Machining: Turning, milling, drilling & grinding with dimensional accuracy up to ±0.02 mm.
Technical Specifications
| Parameter | Specification |
| Materials | Stainless Steel/Carbon Steel/Alloy Steel/Nickel Alloys |
| Forging Method | Open-Die/Free Forging |
| Shapes | Straight Shafts / Flanged Shafts / Crank Shafts / Step Shafts / Spindles |
| Heat Treatment | Normalizing, Quenching & Tempering, Annealing |
| Machining | Turning, Milling, Drilling, Grinding, Boring |
| Max Size | Based on customer drawings (large-dimension capable) |
| Reports Provided | Hardness Report, UT/MT Report, Mechanical Property Test Report, Dimensions Checking Report |
| Standards | ASTM / ISO / PED / SGS Compliance |
Customization & OEM Service
- Custom production based entirely on customer drawings and specifications.
- OEM supply for machinery builders, power generation OEMs, and industrial system manufacturers.
- Custom shapes: flanged shafts, crankshafts, forged step shafts, spindles, and hubs.
- Custom machining: deep-hole drilling, flange machining, keyway machining, spline cutting, taper machining.
- Engineering support for stress analysis, structural optimization, and performance improvement.
- Packaging, anti-corrosion treatment, and custom logistics for heavy products.
Industries Served
- Power Generation: Turbine shafts, generator shafts, and power-plant machinery.
- Oil & Gas / Petrochemical: Pump shafts, compressor shafts, drilling equipment.
- Machinery & Metalworking: Rolling mills, gear production, industrial drives.
- Marine & Shipbuilding: Propulsion shafts, rudder shafts, and marine engine components.
- Mining & Heavy Industrial: Crusher shafts, grinding mill shafts, large drive shafts.
- Pulp & Paper / Food Processing: Mixer shafts, main shafts for continuous-duty processing lines.
- Automotive/Aerospace/Defense: Precision heavy-duty forged components for critical mechanical systems.
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.