Credit Cards

Such metallurgical interest in my destroyed Chase Sapphire Preferred® card here are the facts from Chase

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Rene’s Points For Better Travel, a division of Chatterbox Entertainment, Inc. has partnered with CardRatings for our coverage of credit card products. Rene’s Points For Better Travel and CardRatings may receive a commission from card issuers. Opinions, reviews, analyses & recommendations are the author’s alone, and have not been reviewed, endorsed or approved by any of these entities. As an Amazon Associate I earn from qualifying purchases.


After destroying my Chase card yesterday [I got my new one today btw], and getting so many comments and questions about what the card is made of ( I guessed stainless steel ) I went to the secure message center at Chase Bank to once and for all find out what the card is made of. And the answer is: So we still do not know for sure! The only solution is to have one sent off to a secret lab, maybe in area 51 ( a site for the next MegaDO for Delta maybe? ) and have one tested. Who wants to go? – Rene

Chase Sapphire Preferred® Card

Rene’s Points For Better Travel, a division of Chatterbox Entertainment, Inc. has partnered with CardRatings for our coverage of credit card products. Rene’s Points For Better Travel and CardRatings may receive a commission from card issuers. Opinions, reviews, analyses & recommendations are the author’s alone, and have not been reviewed, endorsed or approved by any of these entities. As an Amazon Associate I earn from qualifying purchases.


Responses are not provided or commissioned by the bank advertiser. Responses have not been reviewed, approved or otherwise endorsed by the bank advertiser. It is not the bank advertiser's responsibility to ensure all posts and/or questions are answered.

René de Lambert is a contributing writer and the founder of RenesPoints. He is an avid Delta and SkyTeam flyer who has held Delta’s top Diamond Medallion status for many years and flown millions of miles.

7 Comments

  1. When I activated mine I asked what it was made of. I was told it was a titanium alloy? They could have been telling the truth, or not.

  2. The metal itself has to be non-conductive in order for the magnetic strip to work. Aluminium has an electrical conductivity of 36.9 Siemens/m which is only surpassed by gold, copper, and silver.

    It is rumoured that certain companies have patented their metal cards, but the most available candidate is titanium (2.4 S/m), followed by carbon steel (5.9 S/m), and tin (8.7 S/m).

  3. Titanium is expensive, so my guess would be 304 stainless steel as the material for the Sapphire card. Unlike the “higher” stainless alloys, 304 is (like the card itself) attracted by a magnet.

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