20CrMnTi Heavy Steel Forgings 7ton Shipbuilding Intermediate Shaft Casting Forge
20CrMnTi Heavy Steel Forgings For Shipbuilding Intermediate Shaft. Our 20CrMnTi heavy steel forgings for shipbuilding intermediate shafts are engineered to meet the stringent demands of marine applications. The 20CrMnTi alloy steel, renowned for its excellent hardenability, high core strength, and wear - resistant surface after carburizing and quenching, ensures these forgings can endure the harsh marine environment, heavy loads, and continuous rotational stresses during long - distance voyages.
- High - quality Material: Made from 20CrMnTi alloy steel, featuring excellent hardenability, high core strength, and wear - resistant surface after carburizing and quenching.
- Advanced Forging: Utilize advanced forging techniques to achieve a refined grain structure and uniform mechanical properties.
- Strict Quality Control: Conduct ultrasonic testing, hardness inspection, etc., to ensure precise dimensions and flawless internal quality.
Product Advantages
- Excellent Weather Resistance: Withstand harsh marine environments, resisting seawater corrosion and moisture.
- Superior Load Capacity: Endure heavy loads and continuous rotational stresses, ensuring stable power transmission.
- Long - term Reliability: Reduce vibration and noise, minimize breakdown risks, extend maintenance intervals, and improve ship operation efficiency.
Application Areas
- Ship Propulsion Systems: Serve as key components of intermediate shafts for efficient power transmission from engines to propellers.
- Large Commercial Vessels: Applied in cargo ships, tankers, etc., supporting long - distance navigation power demands.
- Special - purpose Ships: Suitable for research vessels, engineering ships, meeting strict requirements for power transmission stability in complex working conditions.
Function (Marine-Specific)
These open die steel forgings are specifically engineered for marine propulsion and steering systems, where they are subjected to continuous torsional loads, saltwater exposure, and long-term fatigue cycles. Their grain-refined structure ensures superior resistance to seawater-induced corrosion, impact shocks, and rotational stress, making them ideal for rudder stocks, propeller shafts, and thrust shafts in heavy-duty vessel applications.
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Item 20CrMnTi Heavy Steel Forgings For Shipbuilding Intermediate Shaft Materials Marine-grade steels: 42CrMo, 18CrNiMo7-6, 20CrNi2Mo, 4340, 35CrMo, 1.7225, 20CrMnTi, 20CrMnMo. Forging Equipment 5T / 8T / 12T hydraulic hammers with large-section open die capability. Production Process Forging → Heat Treatment → Rough Machining → Dimensional & NDT Inspection Forging Ratio ≥ 3.0 – Ensures refined grain structure, high tensile strength, and structural reliability in marine operating conditions Application Custom-designed for propeller shafts, rudder stocks, marine drive shafts, thrust flanges, and steering gear shafts used in ships and offshore vessels Delivery Condition - N+T (Normalized + Tempered): for pre-machined parts Inspection & Testing - Chemical Composition: Optical Emission Spectrometer - Mechanical Properties: Tensile, Charpy Impact, Hardness Tests - NDT: UT, MT - Dimensional Checks: Precision micrometers, indicators Marine-Certified Services Services include forging, heat treatment, CNC machining, packaging, and global marine logistics.
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