The ship cylinder head is a crucial engine component that seals the combustion chamber. It houses valves, spark plugs, and fuel injectors, ensuring efficient engine operation. Made from durable materials, it withstands high pressure and heat.

Size: Varies based on engine model (typically 300mm to 800mm diameter)

Grade: ASTM A48 Class 30, SAE J431 G3000, or equivalent

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

Buoyancy: N/A (non-floating component)

Material: Cast iron (gray or ductile), aluminum alloy, or forged steel

Heat Treatment: Annealed, tempered, or quenched for durability

Surface Finish: Machined to 1.6–3.2 μm Ra for sealing surfaces

Pressure Rating: 150–300 psi (varies by design)

Weight: 50–200 kg (depends on size and material)

Corrosion Resistance: Coated or alloyed for marine environments