Nibral: This high tensile alloy has no zinc and gives a greater resistance to bending, flexing and corrosion. It is highly durable and is one of the best metals available for marine propeller manufacture.
Tensile strength: 85,000 lbs per square inch.

Manganese Bronze: A superior grade alloy that is suitable for cruisers, small boats and most commercial boats with larger reductions and slow revving propellers.
Tensile strength: 62,000 lbs per square inch.

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Rogers & Lough Marine Engineers
82 Taylor Street, Bulimba,
Brisbane, Qld, 4171, Australia
Ph.: +61 7 3399 3433
Fax: +61 7 3399 3211
Email Rogers and Lough