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Bertram31.com General Bulletin Board
Re: SS Tanks
Posted By: Chiles In Response To: Re: SS Tanks (Mark S)
Date: Thursday, 27 April 2006, at 10:31 a.m.
Mark,
This is where I obtained my information.If the vessels were certificated and inspected vessels under subchapter T (carrying greater than 6 passengers for hire- 46 CFR 175-185), they would not be allowed to build fuel tanks with stainless steel. Problems with crevice corrosion have restricted their use in "T" boats. In subchapter "T" fiberglass may be used as fuel tanks for diesel if specified conditions are met. But, fiberglass can't be used for gasoline tanks. Table 182.440(a)(1) in subchapter "T" allows for, under specified conditions, the use of Nickel-copper, Copper-Nickel, Copper, Copper-silicon, steel or iron (generally galvanized for gasoline), and aluminum in fuel tank construction.
ABYC Standard H-24 Gasoline Fuel Systems H-24.18.2.2 also restricts stainless steel tanks to cylindrical, with domed heads, and a capacity of less than 20 gallons (75 liters).
A recreational boat owner need not comply with this standard when replacing their fuel tank.
Chiles
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