How stainless steel become stainless?

Answer 1

All stainless steel has at least 10.5% Chromium in it. Chromium is what makes the steel stainless. The other elements in stainless steel can be nickel, nitrogen, molybdenum. You can find more information here: http://www.wisegeek.com/what-is-stainless-steel.htm
It is the incorporation of a good bit of chromium that makes steel into stainless steel. The presence of chromium in steel alloys allows them to resist chemical attack better than "regular" steels.
Stainless steel contains chromium. The chromium forms a protective oxide layer on the metal surface. Even when scratched or cut, a new chromium oxide layer will form in stainless steel.

Answer 2

Steel is mostly iron with a percent or so of carbon. To make stainless steel, we add a bit over 10% (and sometimes up over 20%) chromium, which is the key metal that makes the steel stainless. We'll also generally add some nickel or possibly manganese to make the steel more workable. A link can be found below.

Answer 3

Well a different element is added to make steel to stainless steel. I'am pretty positive that they add Nickel or Chromium. But I am not sure what the ratio is to over elements. And the other element that it takes to make steel is iron and carbon.

Answer 4

Stainless steels are chromium containing steel alloys, the minimum chromium content of the standardised stainless steels is 10.5%. The better corrosion resistance is due to a chromium oxide film that is formed on the steel surface. This extremely thin layer, under the right conditions, is also self-repairing.

Besides chromium, typical alloying elements are molybdenum, nickel and nitrogen, Nickel is mostly alloyed to improve the formability and ductility of stainless steel

Answer 5

Well first of all there are about 80 different stainless steel. Here is an extremely quick overview.

Iron is melted and the first most important alloying element is added - CARBON.

It is iron plus carbon that makes steel. Usually traces of Manganese is then added as this helps with sulfiude inclusions and improves toughness. Next the very key alloying elements of Chromium and Nickel are added to make a typical AISI 316 Stainless steel - which is about 18 % Cr, 8% Ni, 0.3% C; Mn trace, Molybdenum - 1- 2% (helps with pitting) and the balance is Iron.

Answer 6

stainless steel has different grades all grades have their own properties grades such as 317l316ti 304 310 every grade has similar thing that is chromium maganese sulphur etc to know vist us

Answer 7

304L, 316L, 321, 310, 317L, 904L, Duplex, Monel, Inconel, Haste Alloy c276, Alloy 20, etc. all are stainless product because of it chemical properties

Answer 8

Stainless Steel is made up of Steel, nickel and chromium.

Answer 9

Stainless steel becomes stainless when Chromium is added to steel. This makes it resistant to corrosion.

Answer 10

chromium is added to it