5000KG 42CrMo Alloy Steel Forged Wear Resistant Custom Forgings for Gear Shaft Main Shaft
42CrMo Wear-Resistant Forged Alloy Steel Gear Shaft, Main Shaft, High And Low Speed Shaft.
We manufacture wear-resistant forged shafts from high-strength alloy steel 42CrMo, including gear shafts, main drive shafts, and high-speed or low-speed shafts used in heavy-duty industrial equipment. With excellent mechanical strength, toughness, and wear resistance, these shafts are ideal for demanding applications involving high torque, impact loads, and continuous operation.
Material:
42CrMo – A chromium-molybdenum alloy steel with high tensile strength, good hardenability, and excellent resistance to wear and fatigue. It performs reliably in dynamic and high-load environments after proper heat treatment.
Key Features:
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Shaft types: gear shafts, main shafts, transmission shafts, high-speed shafts, low-speed shafts
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Forged weight range: 100KG to 5000KG, custom sizes available
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Normalizing and tempering for optimized hardness and strength
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Superior metallurgical structure ensures fiber continuity and fatigue resistance
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Available in rough machined, semi-finished, or CNC pre-machined condition
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100% Ultrasonic Testing (UT) and Magnetic Particle Inspection (MPI)
Applications:
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Cement grinding systems
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Metallurgy and mining equipment
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Port cranes and winches
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Gearboxes and transmission assemblies
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Heavy-duty industrial machinery
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Item
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Details
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Product Name
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42CrMo Wear-Resistant Forged Alloy Steel Gear Shaft, Main Shaft, High And Low Speed Shaft
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Material Grades
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- Primary alloy: 42CrMo- High strength, excellent toughness, and superior wear resistance- Engineered for industrial gearbox components under high torque and heavy loads
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Forging Equipment
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- Hydraulic hammers: 5T / 8T / 12T- Large open-die forging press with core boring capability- Near-net shape forging for components with complex geometries
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Manufacturing Process
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Hot Forging → Intermediate Heat Treatment → Optional Core Boring / Drilling → Rough / Semi-Finish Machining → UT & Dimensional Inspection
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Forging Ratio
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≥ 3.0 — Promotes directional grain flow, ensuring excellent load-bearing capacity and fatigue resistance in gearbox applications
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Applications
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- Gears and shafts in automotive gearboxes- Components of aerospace transmission gearboxes- Critical parts of mining machinery gearboxes- Heavy machinery gearbox elements, such as those in cranes and construction equipment- Gearbox components in energy industry equipment, like wind turbine gearboxes
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Heat Treatment Options
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- Annealing and tempering for enhanced mechanical properties- Stress relief treatment to ensure dimensional stability
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Testing & Inspection
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- Chemical: Spectrometer-controlled composition analysis- Mechanical: Hardness, tensile, yield, impact toughness- Ultrasonic (UT): Multi-angle flaw detection, including bore zone- Dimensional: Length, diameter, straightness, concentricity
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Value-Added Services
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- Custom geometries for specific industrial gearbox needs- Pre-machined surfaces for easy integration into gearbox systems- Laser part marking and full traceability
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.