Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. Carbon acts as a hardening agent, preventing iron atoms, which are naturally arranged in a crystal lattice, from sliding past one another (dislocation). Varying the amount of carbon and its distribution in the alloy controls qualities such as the hardness, elasticity, ductility, and tensile strength of the resulting steel. Steel with increased carbon content can be made harder and stronger than iron, but is also more brittle. One classical definition is that steels are iron–carbon alloys with up to 2.1 percent carbon by weight; alloys with higher carbon content than this are known as cast iron. Steel is also to be distinguished from wrought iron with little or no carbon. It is common talk today to talk about 'the iron and steel industry' as if it were a single thing; it is today, but historically they were separate products.

Currently there are several classes of steels in which carbon is replaced with other alloying materials, and carbon, if present, is undesired. A more recent definition is that steels are iron-based alloys that can be plastically formed (pounded, rolled, etc.).

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Iron and steel

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@ezraklein You have a stainless steel fridge. Does not hold magnets.
RWSparkle (Kathleen McKinley) Wed, 04 Nov 2009 20:50:45 -0000
@ezraklein You have a stainless steel fridge. Does not hold magnets.
Rollator Winnie 4 Wheel Steel Rolling Walker added by RateItAll in Accessibility Equipment: http://rateitall.com/i-2775151
allwellness (RateItAll Health) Wed, 04 Nov 2009 20:50:32 -0000
Rollator Winnie 4 Wheel Steel Rolling Walker added by RateItAll in Accessibility Equipment: http://rateitall.com/i-2775151
#4: Contigo Double Wall Stainless Steel Vacuum Insulated Tumbler http://url4.eu/hLd0
amazon_bestsell (amazon bestsellers) Wed, 04 Nov 2009 20:50:11 -0000
#4: Contigo Double Wall Stainless Steel Vacuum Insulated Tumbler http://url4.eu/hLd0
#4: Contigo Double Wall Stainless Steel Vacuum Insulated Tumbler http://url4.eu/hLcw
amazon_movers (amazon movers ) Wed, 04 Nov 2009 20:50:10 -0000
#4: Contigo Double Wall Stainless Steel Vacuum Insulated Tumbler http://url4.eu/hLcw
Reinforced blade shank for finer tips strength and Dishwasher safe. New Titanium Steel 15-pc professional cutlery set http://zlig.ca/S3mtx
getrayet (Herb Nathan) Wed, 04 Nov 2009 20:50:06 -0000
Reinforced blade shank for finer tips strength and Dishwasher safe. New Titanium Steel 15-pc professional cutlery set http://zlig.ca/S3mtx
@Vixenita I think BeastMode should FC Icarus - Borne on Wings of Steel (Live) by Kansas, Would be EPIC.What do you say?
ThePremier (ThePremier) Wed, 04 Nov 2009 20:49:35 -0000
@Vixenita I think BeastMode should FC Icarus - Borne on Wings of Steel (Live) by Kansas, Would be EPIC.What do you say?

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