an alloy steel containing tungsten.
Origin of tungsten steel
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of various hard steels containing tungsten (1–20 per cent) and traces of carbon. They are resistant to wear at high temperatures and are used in tools
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012