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Testing 304 and 316 with simple Magnet test!

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Old School magnet test on 304 steel and 316 stainless steel to show the difference in iron content.
Stainless steel contains different levels of iron and this magnet test can identify 304 ss from 316, but not all magnets will work! The trick is to have a tiny magnet fragment that has a magnetic force stronger than its weight, Thanks for watching!

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23 авг 2024

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Комментарии : 22

@Joseph-cy3ns 4 месяца назад

Both grades have similar amounts of iron, chromium, nickel, manganese, silicon, and carbon, but the presence of molybdenum gives 316 stainless steel superior corrosion resistance properties compared to 304 stainless steel, particularly in harsh environments.

@osher87 3 месяца назад

Nope. 304 has 18% Cr, the 316 has 16% Nickel % also 8% in 304 vs 10% in 316

@osher87 3 месяца назад

Also the general use is for hot water in 316...big difference in corrosion resistance

@michaelstreeter3125 Час назад

Can a magnet work _through_ stainless steel 304 plate? I realise you showed it was slightly affected by the magnet, but I'n more interested on the magnet on the other side. In other words, supposing I'm able to fix a magnet onto one side of the 304 plate, can I get a magnet to stick to it and hold the plate?

@isisunayak 3 месяца назад

Any chemical is available to check the ss grade 304 vs 316 like 202 vs 304?

@RondeLeeuw Год назад

"Stainless steel should be non-magnetic." *stops video* 🤦 Certain types of stainless steel are magnetic, and others aren't.

@FreeThinker0 Год назад

I think what he meant is the stainless steel for the vinegar tank.

@jit.junction Год назад

Thanks 👌👍

@teacherkim9953 Год назад

thank you. I learned a lot. I thought 304 is not magnetic

@paulmaxwell8851 Год назад

#304 and #316 are generally non-magnetic but can become mildly magnetic through being cold-worked. ie bending, deforming. There is no simple method for identifying a stainless with a magnet. That drain fitting in the video, however, is strongly magnetic and could be a martensitic stainless.

@gregthompson8062 11 месяцев назад

@@paulmaxwell8851 You are correct. I have some 316 grade steel ratchet buckles that were manufactured to my specs and due too all the bending in the manufacturing process they are slightly magnetic. Magnet tests should not be used to test stainless steel.

@user-nz6de6mw1z 6 месяцев назад

Thank boss

@guillermoiturriaga7863 8 месяцев назад

🔥🔥Best test is with POTASSIUM TIOSANATE + 9V BATTERY.

@blight1885 4 месяца назад

"stainless steel should be non-magnetic" martensitic stainless steel: "are you sure about that?" Still, the corrosion resistance on martensitic stainless is nowhere near as good as in austenitic stainless like 304 and 316, so yeah for vinegar you definitely want non-magnetic/austenitic stainless

@kennethearl9878 Год назад

Which one should I choose for perfume storing tank?

@UnsanctionedFabrication Год назад

I assume perfume is alcohol based so 304 Stainless Steel should be fine.

@kennethearl9878 Год назад

@@UnsanctionedFabrication Yes, oil & alcohol.

@myhobby3951 Год назад

Old fashiooonnnn

@ivonakopanja9224 Год назад

This didn't prove to be true I just tried. 304 that I have in the house is also non-magnetic.

@UnsanctionedFabrication Год назад

It depends on the weight of the magnet to the magnetic strength ratio. Most refrigerator magnets are very weak and relatively heavy for its size. We use either magnet fragments or very small/very strong neodymium magnets to perform our quick tests.