Hanhart's super-hard steel
Marcus Hanke
Hanhart released several watch models in cases made from so-called HDSpro, a stainless steel that is specifically hardened in order to offer a higher resistance against nicks and scratches:
Regards,
Marcus
Regards,
Marcus
Comments:
mell0822 July 7th, 2013-06:45
Thank you very much for sharing How does it compare to Rolex 904L steel, if it is a fair comparsion in the first place. Thanks. Melvin
DonCorson July 7th, 2013-07:30
Very little info... All I have been able found out is that HDSpro is a trademark of the company NB Technologies which is registered as a patent licensing company. There is no usable technical info to be found, just advertising. This is probably a surface hardening process fo...
Marcus Hanke July 7th, 2013-13:20
You are right - and some more info ... 904L is clearly superior to 316L when you have to dive in liquid acid at near-boiling temperatures ... Other than that, it is practically as hard or scratch-resisting as the more common material, and even a bit more difficult to polish. I had some very in...
Ronald Held July 7th, 2013-14:22
Don should this thread be moved to the watchtech forum? (nt) NT
ling5hk July 8th, 2013-00:01
Wow, the metal is very hard. But I am worried how good is the anti-shock to resist that vigorous knock. Regards Ling
AnthonyTsai July 12th, 2013-13:42
Wow no scratches or dings after that brutal testing showing in the video That steel is awesome! I'd cringe in fear if that demonstration was on my Panerai or Bulgari! Cheers, Anthony
Marcus Hanke July 12th, 2013-14:10
Indeed. I have tested one of their chronos ... ... during our truck offroad meeting, and in spite of several contacts with massive steel parts, stones and sand, I can see no scratch or ding on the case. Regards, Marcus
shipkeeper July 13th, 2013-12:31
Nice Video Marcus!!!! Is incredible that steel, why not use it more brands. Modern watches and bracelets are enlarged and casual shocks are more frequent than using smaller vintage watches. Rgds. Juan
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