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08-15-2015, 09:10 PM #13
Back when I was at technological high school in Brazil (precision mechanics at Swiss-Brazilian SENAI school), silver steel was the name we used to very hard Chrome-Tungsten steel alloy used to make hand-held lathe tool bits. It was not so hard and brittle as the common high speed steel, but ate through 1040, 1075 and 1090 very well. There was no silver in the alloy, but the shade it reflects the light remember the color of silver, more yellowish than bluish.
Last edited by Matheus; 08-15-2015 at 09:13 PM.