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
Bottle opener, stainless steel
Keywords Stainless
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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