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China, Chinese Heavy-Duty Forged Marine Shaft 38crni3mova Large Process Shaft for Marine Industry1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Other Manufacturing Processing MachineryMarine Process ShaftLarge Marine Shaft
SHANGHAI TOTEM MACHINERY CO., LTD.
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Product DescriptionProduct DescriptionHeavy-duty Forged marine shaft 38CrNi3MoVA Large Process Shaft for marine industryThe Totem Customized 38CrNi3MoVA Large-Diameter Flange Shaft is a high-performance engineered component designed for demanding industrial applications. Crafted from premium 38CrNi3MoVA alloy steel, this flange shaft offers exceptional strength, toughness, and fatigue resistance, making it ideal for heavy-duty machinery, power transmission systems, and critical rotating equipment.Key Features:Material Excellence: Manufactured from 38CrNi3MoVA, a high-strength, low-alloy steel known for its superior mechanical properties and durability under high-stress conditions.Large-Diameter Design: Engineered to meet the needs of heavy industrial applications, ensuring reliable performance in high-torque and high-load environments.Corrosion-Resistant Coating: Enhanced with a specialized anti-corrosion coating to prolong service life, even in harsh or corrosive environments (e.g., marine, chemical, or offshore applications).Precision Customization: Totem offers tailored solutions, including custom dimensions, tolerances, and flange configurations, to perfectly match your operational requirements.Rigorous Quality Control: Each shaft undergoes stringent testing to ensure compliance with international standards for dimensional accuracy, hardness, and structural integrity.Technical SpecificationsHeat Treatment Process of 38CrNi3MoVA Large-Diameter Flange ShaftKey Heat Treatment Stages:Key Heat Treatment Stages:Normalizing (Pre-Treatment)The shaft is heated to 880–920°C, held for sufficient time to achieve uniform austenitization, and then air-cooled.Purpose: Refines the grain structure, eliminates internal stresses from forging, and improves machinability before final heat treatment.Quenching (Hardening)The shaft is heated to 830–860°C (austenitizing temperature), soaked to ensure temperature uniformity, and then quenched in oil or polymer to achieve high hardness.Cooling Rate: Controlled to avoid excessive distortion or cracking, critical for large-diameter components.Tempering (Stress Relief & Toughness Enhancement)After quenching, the shaft is tempered at 550–650°C (depending on required hardness and toughness), followed by air cooling.Effect: Balances hardness and ductility, reduces brittleness, and improves impact resistance.Typical hardness range after tempering: HRC 28–35 (adjustable based on application needs).Optional Secondary Tempering (For Critical Applications)A second tempering cycle may be applied to further stabilize the microstructure and eliminate residual stresses, ensuring dimensional stability in large shafts.Packaging & ShippingDrawings & DimensionsDetailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.Company ProfileSHANGHAI TOTEM MACHINERY CO., LTD.Shanghai Totem Machinery Co., Ltd. (Totem Machinery), founded in 2010, is a leading high-tech enterprise integrating R&D, production, sales, and import-export trade, headquartered in Shanghai.With 15 years of deep expertise in the machinery industry,Totem Machinery specializes in mechanical equipment, components, and bearings, excelling in providing professional solutions for the design, modification, production, and development of complex structural assemblies (e.g., bearing housing systems: ship supports, rolling mill supports; transmission systems: mining dragline applications, wind power generation, etc.). As an industry leader, our products serve a wide range of sectors, including metallurgy, chemical, shipbuilding, mining, cement, thermal power plants, agricultural machinery, and machine tool accessories.The company boasts an experienced team of mechanical designers, production engineers, assembly technicians, and sales professionals, equipped with advanced manufacturing technology, precision processing equipment, and state-of-the-art inspection instruments. We have established a comprehensive product quality assurance system and after-sales service network. Upholding the principle of "Quality as the Foundation, Service as the Core, Integrity as the Soul,"Totem Machinery remains committed to innovation and strives to become a global benchmark in the machinery manufacturing industry.Why Choose Us?Other ProductsProfessional Customization ServicesComplate processing solution Perfect quality control systemExported Over 50+ Countries WorldwideBearing ChockGear ShaftGear WheelFlange ShaftGirth GearFAQQ.What's TOTEM product processing progress?A.Drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. Q.How about TOTEM's export package?A.Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.Q.Could I customize gear\gear shaft on TOTEM?A.We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material. Q.Why can I choose TOTEM?A.TOTEM has 24hrs Salesman on-line, guarantee quick and positive feedback.TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier's network, to let customers worry-free purchase.Experienced and Professional Forwarder Guarantee Log. transportation.Specification
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