Reply by BertFlores58

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Posted on Can Rust Free Machine Screw be Shortened And Still Be Rust Free?

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1694 posts in 2884 days

#1 posted 04-27-2013 01:52 PM

During my days as worker on ship engine, stainless steel is pure when you can not magnetize it though there are so many grades of strentgh. Alloyed with chrome and vanadium will rust but it is really strong that the rust will not destroy it in years. As long as the bolts or nuts are tight, it will not rust inside but those exposed to air will rust or corrode due to age. A simple coat of any sort that will prevent exposure to air then there will be no rust. Watch for those coated metals… even rethreading or just filing the bolts or nuts, the coating will be destroyed. In your place, take A2 type of stainless steel, markings on the bolts or packets will class it. Also try to use magnets.

By the way, scissors are classsed stainless steel, but they are magnetized because of hardening and tempering.
Hope this would help you.

-- Bert

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