There's a grade of Stainless Steel that's got a very slight attraction to a magnet. Its actually high grade SS and has lots of nickel in it.
Nickels slightly magnetic.
So if you find what you know is Stainless Steel, by looking at it, or its application (like its from a fishing vessel or a industrial food processing machine or attached in some way to something that defiantly is Stainless Steel) and its slightly magnetic.
If its got weight, put it aside and when you take your metal to the scrap buyer, show them it specifically and tell them what you think it is.
It may not be, or they may not, but it may be worth it.
I got told by my buyer that a certain slightly magnetic Stainless Steel part, spot welded to a Fisher & Phykal dishwashers Stainless Steel liner is 'High grade' and to leave it on.
I'd been taking that bit, plus some Zinc coated steel, off the liner before selling it.
The liner was 10Kg, so $10 worth, each dishwasher.
Plus all the Alloy casting around the motor & Copper windings, plastic coated wire, solenoids & light gauge/HMS made them a good item to scrap.
**** sharp metal though. Stainless Steel has a 10,000% more chance of slicing you up if you are not carefull.
So be extra carefully with it, gloves, wrist protection, no forced work.
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