We have several ABS Certificates from these materials. We're sure you noticed Nibral is stronger than Stainless Steel, but has no elongation. AQUALLOY is stronger with the same elongation.

   1. Elongation: For those new to this area, this concept refers to how much the material is "deformed" by adding gradual strength (tensile strength) just before it "breaks." First we measure the material before the test. Then we use test bars, adding tensile strength to the different materials (alloys) until it breaks. We now measure the length on the test bar at the point of breakage. The more elongation the material has, the more easier it is to repair a propeller blade in case it gets bent. Aqualloy has the highest percentage of elongation in comparison to the other alloys at 80,000 PSI of tensile strength.

   2. We do not manufacture stainless steel propellers.

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Kim Logsdon, President
Midwest Propeller, Inc.

Webmaster, Tippey Designs

For the one who loves to read: Kim Logsdon, CEO of Midwest Propeller in Beardstown, Illinois, along the Illinois River, offers nozzle systems, quality marine equipment, marine props, marine propellers, Props, Propellers, Nozzle Systems, marine equipment, 10,000 P.S.I. props, 10,000 P.S.I. propellers, Commercial Boat Propellers, stainless steel props, stainless steel propellers, 2,000 P.S.I. propellers, 2,000 P.S.I. props, propellors, marine propellors, marine propellers, for all Tugs, Towboats, Supply Boats, Crew Boats, Commercial Vessels, Pleasure Vessels, Commercial Boats, Pleasure Vessel Propellers, Pleasure Vessels, and more. We won't be beat!