4340 Hot Forging Parts
- Material Grade: AISI 4340 alloy steel, offering superior toughness and fatigue resistance.
- Standards Compliance: Manufactured according to GB and JIS standards for consistent global performance.
- High Mechanical Strength: Excellent tensile and yield properties, even after heat treatment.
- Flexible Order Options: MOQ of 1 piece, with sample service available for custom evaluation.
- Certified Quality: Complies with SGS, PED, and ISO9001 certifications for international export compliance.
Technical Specifications
| Parameter | Details |
| Material Grade | AISI 4340 (Nickel-Chromium-Molybdenum Steel) |
| Standard | GB, JIS |
| Forging Type | Open Die / Closed Die Hot Forging |
| Diameter | 50 mm – 900 mm |
| Length | 100 mm – 2500 mm |
| Surface Finish | Machined / Turned / Ground |
| Heat Treatment | Quenching and Tempering (optional) |
| Certifications | ISO9001, PED, SGS |
| Delivery Options | FOB, CIF, DDP |
| Transport Modes | By Sea, By Air, By Train |
| MOQ | 1 piece (Sample service available) |
Customization & OEM Service
- Custom shapes, dimensions, and mechanical properties based on customer drawings.
- Optional heat treatment, surface finishing, and NDT testing.
- OEM/ODM production with small-batch sampling before mass order.
- Flexible logistics support (FOB, CIF, DDP) for global clients.
Applications
- Aerospace components (landing gear, shafts, fasteners)
- Automotive drivetrain parts (gears, axles, crankshafts)
- Oilfield and mining tools
- Heavy machinery and power transmission systems
- Pressure vessels and structural parts
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.