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416 Stainless Steel Descaled HRA Bar Stock .207x1.5"x11.75 - End Cut

416 Stainless Steel Descaled HRA Bar Stock .207x1.5"x11.75 - End Cut

416 Stainless Steel Descaled HRA Bar Stock .207x1.5"x11.75 - End Cut

SKU: MESS-416ss-AS-.207x1.5x11.5

$23.64



Details

416 Stainless steel bar stock

LENGTH NOTE:

This is an end cut piece 11.75" long

Descaled (sand blasted)

This is a special buy, when it is gone, it is gone.

Used for bolsters, guards, frame locks. 416 can be heat treated to be hardened to approximately 45RC. This stock is annealed.

Tip: 400 series stainless is slightly magnetic. 300 series is not magnetic. If you get them mixed up, use a magnet to sort them out.

Tip: If you don't want your pins to show in your bolster several things need to happen. Clean the pin stock and the hole both with acetone or alcohol. I give the pins a quick run on the grinder with a 120 or 240 grit belt. Use a tapered reamer 2/0 for 1/16" through 1/8" for pinning your bolsters. This gives a place for the pin stock to expand and blend in as you peen it. Slightly crown the pins. The pins should sit proud of the bolster surfaces (both sides) at their diameter. When you peen it, peen it  as far along as you can. Check the bolster alignment from the top and bottom, they tend to move a little if the holes have some play. Make sure they are flush. I use a needle nose vice grip to snug the bolsters up if they don't get flush to the tang. When you have them peened and mushroomed well, smash the hell out of it to get it to blend with your 416 bolsters. I use 3lb maul to finish the job. Lately, I've been using a pin press you can see it here. The pin press seems to be more elegant and a LOT quieter when I'm working in the basement shop late at night.

 

CRA means cold rolled annealed and is important to be in the description. It means the steel was pressure rolled while cold but was annealed again to relief the stress and take it to the softest state from rolling under tremendous pressure. 
HR means hot rolled and this steel was rolled to thickness usually during the smelting process but maybe later. The steel generally will be half or nearly fully hard depending on the type. It may often have mill scale residue. This steel can be easily forged. It can also be ground via stock removal. Drilling a hole in the tang maybe hard to do with out a carbide bit. 
HRA is the same but the steel was later annealed to relieve stress and make it as soft as possible for easier machining. 
Several companies produce "powder" smelted steels. This is a premium smelting process that improves the mixing of alloy content and generally produces a finer grain structure as a result. The powder steels are nearly always annealed and can be assumed to annealed unless noted otherwise.

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Shelf Location: PR11.5