From: damarkley@gmail.com   
      
   On Tuesday, January 5, 2021 at 10:05:06 PM UTC-5, JF Mezei wrote:   
   > On 2021-01-04 11:24, Dean Markley wrote:   
   >   
   > > I did find that early versions of Starship are using 301 SS. Later   
   versions are going to use mixes of 304L along with a proprietary SS developed   
   by SpaceX.   
   > Has SpaceX atually produced their special stainless steel? Which SNxx is   
   > built using it?   
   >   
   > is this new mythical SS going to be airmed at weight or heat resistance?   
   >   
   > What sort of percentage of weight could it realistically saved?   
   >   
   > If this proprietary fancy steel ends up being nearly equivalent to   
   > commercially available steel, wouldn't it make sense to stick with the   
   > easily available steel? (especially once your have tested it, learned   
   > how to weld it correctly etc) ?   
      
   Sarcasm noted.   I'm not sure why you are asking questions you know cannot be   
   answered outside SpaceX.  After all, I assume you know what "proprietary"   
   means?   
      
   Dean   
      
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