Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Alloy steel \Al"loy steel\
Any steel containing a notable quantity of some other metal
alloyed with the iron, usually chromium, nickel, manganese,
tungsten, or vanadium.
[Webster 1913 Suppl.]
From WordNet (r) 3.0 (2006) [wn]:
alloy steel
n 1: steel who characteristics are determined by the addition of
other elements in addition to carbon