Metal Forged Step Shafts
- Product Range: Step shafts, main shafts, and crank shafts.
- Forging Capacity: 6300T, 3150T, and 2000T hydraulic presses; 1T–5T hammers.
- Machining Capacity: Up to 70 tons, 32-ton CNC machine loading.
- Dimensional Accuracy: Tolerance ±0.01 mm; surface roughness Ra 0.4.
- Testing Coverage: 100% ultrasonic inspection with hardness and tensile testing.
Technical Specifications
| Parameter | Specification |
| Material | High-quality ingot steel (per order specification) |
| Forging Type | Open Die / Free Forging / Die Forging |
| Tolerance | ±0.01 mm |
| Surface Roughness | Ra 0.4 |
| Heat Treatment | Quench & Temper / Normalize / Anneal |
| Testing | 100% UT + Mechanical Properties Test |
| Capacity | 500–1000 Tons / Month |
| Delivery Time | 15–30 Days (Urgent) / 30–45 Days (Normal) |
| Packaging | Anti-rust oil + Wooden crate / Steel frame |
| Transport Options | By Sea / Air / Train (FOB, CIF, DDP) |
Customization & OEM Service
- Custom step shaft dimensions, materials, and grades.
- Design assistance and CAD drawing review.
- Machining, threading, and surface finishing per customer drawings.
- MOQ: 1 piece (sample service available).
- OEM/ODM branding and international delivery (FOB, CIF, DDP).
Industries Served
- Heavy machinery and metalworking equipment
- Power generation systems
- Pulp and paper processing
- Marine propulsion systems
- Food and industrial processing machinery
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.