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301 HY stainless steel

301 HY stainless steel

(OP)
anyone has experience with 301 HY (high yield) stainless steel strip ? (270,000 psi min tensile strength)
can it be used to make disc springs ?
will it crack as its HRC up to 52 ?
why most disc spring vendor use 302 ?
thanks.

RE: 301 HY stainless steel

Spring temper stainless steel is Type 301 when the product form is sheet/strip, but is Type 302 when the product form is wire. There are a number of spring manufacturers that routinely make disc springs out of Type 301 stainless steel:

http://www.spirol.com/library/main_catalogs/disc_u...

https://www.centuryspring.com/pdfs/disc_spring_cat...

http://www.solonmfg.com/springs/discdin.cfm

http://www.ghxinc.com/ProductsServices/Fasteners/B...

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