2007-04-25 08:49:40 · 7 answers · asked by the_swede_one 1 in Science & Mathematics ➔ Engineering
"Stainless steel" is a whole class of corrosion-resistant steels (all primarily iron), with Chromium as the most abundant non-iron metal in the alloy. General purpose 18-8 stainess steels have 18% Chromium and 8% Nickel. Other stainless steels have only Chromium, or Chromium and Molybdenum, etc.. there many different alloys.
2007-04-25 09:08:10 · answer #1 · answered by Adam S 4 · 1⤊ 0⤋
The stainless steel is a family of ferrous alloys containing at least 11% chromium. The effect of this amount of chromium in steel in reducing corrosion is dramatic. There are many grades of stainless steels. By varying the chemical composition, heat treating, and cold-working, a wide range of properties is achieved. There are three types of precipitation hardening stainless steels: *martensitic types, which are supplies in the martensitic condition, are hardened by a simple aging treatment of the fabricated part. *Semi austenitic types, which are supplied in the austenitic condition, are transformed to martensite by special heat treatment before precipitation hardening. *the austenite in the austenitic types is precipitation hardened directly. The heat treatments of precipitation-hardening stainless steels are chosen to optimize mechanical properties. Precipitation hardening generally results in a slight increase in corrosion susceptibility and an increased susceptibility to hydrogen embrittlement.
2016-05-18 21:28:10 · answer #2 · answered by Anonymous · 0⤊ 0⤋
In addition to all the above answers, some Chromium stainless steels add some Vanadium to the mix for extra 'shine' and lustre.
.
2007-04-25 09:42:30 · answer #3 · answered by tlbs101 7 · 0⤊ 0⤋
the difference between steel and stainless steel is the addition of nickel.
The composition fo steel is Iron and Carbon..
so, the composition of stainless steel is Iron, Carbon, and Nickel..
of course, there are also impurities in any steel, so you may also have trace amounts of group VII gases (see yoru periodic table), any transitory metal which may have been present in the ore and not removed during smelting, or even alkalines which bonded during the smelting process...
2007-04-25 09:01:00 · answer #4 · answered by The Big Lebowski 3 · 0⤊ 0⤋
carbon steel and nickel
small percentage of nickel, but it will vary depending on the stainless steel being made.
2007-04-25 08:54:15 · answer #5 · answered by bilko_ca 5 · 0⤊ 0⤋
Well evryone that is knowledgeable has given you the metalurgy mix, but i'll tell you who invented it....the british. that crafty bunch, for the most part worked a lot on analine dyes and such for cloth colors. this was derived from coal tars. also produced gas for lighting and cooking. the coal tar lighting was just right for sherlock holmes and dr watson. and so, the game is afoot!
2007-04-25 09:45:29 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Iron, Carbon and Chromium
2007-04-25 08:56:02 · answer #7 · answered by truthseeker 3 · 0⤊ 0⤋