Material	Stainless steel
	Stainless steel is very corrosion resistant, strong, and ductile. Stainless steel contains a minimum of 11 % chromium (wt.), as well as nickel and other alloying elements. In presence of oxygen (air) a thin, hard adherent film of chromium oxide develops on the surface. The film protects the metal from corrosion (passivation). The film builds up again if the surface is scratched. With increased carbon content, the strength of stainless steel increases and corrosion resistance is reduced.
Danish Name	Rustfrit stål
Category	Metals, Steels & irons
Products	Park chair Razor, ordinary Razor, biodegradable Tubes for food industry Connector Bottle opener, stainless steel
Keywords	Stainless Rust
Environmen- tal notes	Creation: Nickel is a limited ressource, and caution should therefore be made on product recycling Disposal: Stainless steel can be recycled. Since nickel is a limited ressource, recycling of stainless steel should be kept seperate from other steels.
Additional Info	Chemical symbol for iron (the dominant part of stainless steel) is Fe, atomic number is 26, melting point is 1528 C, density 7.9. Chemical symbol for chromium is Cr, atomic number 24, melting point 1890 C, density 7.2. Chemical symbol for nickel is Ni, atomic number 28, melting point 1453 C, density 8.9
Photo	Thomas Nissen (Computer graphics)
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