The ship camshaft is a critical engine component that controls the opening and closing of valves. It ensures precise timing for fuel intake and exhaust release in marine engines. Made from durable materials, it withstands high stress and corrosion in harsh marine environments.

Size: Varies by engine type (typically 50mm to 500mm diameter, 500mm to 3000mm length)

Grade: High-strength alloy steel (e.g., EN 19, EN 24, SAE 4140, SAE 4340)

Viscosity: N/A (applies to lubricants, not solid parts)

Buoyancy: N/A (not applicable for engine components)

Material: Forged or cast steel, sometimes with surface treatments (nitriding, hardening)

Hardness: 55-65 HRC (after heat treatment)

Tensile Strength: 800-1200 MPa

Weight: 10kg to 200kg (depends on size and design)

Surface Finish: 0.8-1.6 μm Ra (precision machined)

Lubrication Requirements: High-pressure oil film (SAE 15W-40 or equivalent)

Operating Temperature: -20°C to 200°C (depends on engine conditions)