Heavy-Duty Forged Cylinder Sleeve
- Material Range: Features carbon steel, alloy steel, stainless steel, and nickel alloys (AISI 4140, 4340, 316L, 304L, 42CrMo, 34CrNiMo6, S45C).
- Process Flow: Forging → Heat Treatment → Machining (customized processes available).
- Machining Accuracy: Tolerance up to ±0.01 mm; surface finish Ra 0.4.
- Surface Finish Options: Plain, polished, nickel plating, or chrome plating.
- Certifications: ISO9001, PED, SGS.
Technical Specifications
| Parameter | Specification |
| Product | Heavy-Duty Forged Cylinder Sleeve |
| Material | Steel, Nickel Alloy |
| Process | Forging + Heat Treatment + Machining |
| Heat Treatment | Quenching & Tempering / Normalizing |
| Surface Finish | Plain / Nickel Plating / Chrome Plating / Polishing |
| Tolerance | ±0.01 mm |
| Surface Roughness | Ra 0.4 |
| Testing | UT / MT / Hardness / Mechanical / Dimensional |
| Certification | ISO9001 / PED / SGS |
| Delivery Time | 15–30 Days (Urgent) / 30–45 Days (Normal) |
| Capacity | 500–1000 Tons / Month |
Customization & OEM Service
- Custom Dimensions: Manufacture according to customer drawings and specific operating conditions.
- Material Options: Multiple grades of steel and nickel alloys tailored to environment and stress needs.
- Flexible Finishing: Offer different coatings (nickel, chrome, or plain) based on application requirements.
- Comprehensive Reports: Include Hardness, UT/MT, Dimensional, and Mechanical Test Reports.
- Sample & Small Batch Orders: MOQ = 1 piece for prototype or urgent production.
- OEM Branding: Provide logo marking, labeling, and export packaging customization.
Industries Served
- Machinery & Metalworking: Main drive sleeves and coupling parts.
- Power Generation: Turbine and generator cylinder components.
- Oil & Gas: Pressure sleeves, compressor casings, and connectors.
- Mining & Construction: Hydraulic and drilling sleeves for heavy equipment.
- Marine & Port Equipment: Propulsion and crane rotation sleeves.
- Automotive & Railway: Bearing and engine sleeves for dynamic assemblies.
- Pulp & Paper / Food Processing: Roller and support sleeves for continuous production lines.
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.