Razor blade steel
Encyclopedia
Razor blade steel, also known as razor steel, is special type of stainless steel
Stainless steel
In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass....

 designed specifically to be used as a razor blade
Razor
A razor is a bladed tool primarily used in the removal of unwanted body hair through the act of shaving. Kinds of razors include straight razors, disposable razors and electric razors....

. Its defining characteristics are its chemical composition and shape.

Chemical composition

Razor blade steel is a martensitic stainless steel with a composition of chromium
Chromium
Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable...

 between 12 and 14.5%, a carbon
Carbon
Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds...

 content of approximately 0.6%, and the remainder iron and trace elements.

Shape

The United States International Trade Commission
United States International Trade Commission
The United States International Trade Commission is an independent, bi-partisan, quasi-judicial, federal agency of the United States that provides trade expertise to both the legislative and executive branches. Further, the agency determines the impact of imports on U.S...

 defines that the shape of the material must be flat rolled
Rolling (metalworking)
In metalworking, rolling is a metal forming process in which metal stock is passed through a pair of rolls. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its recrystallization temperature, then the process is termed as hot rolling...

coils that are not more than 23 mm (0.905511811023622 in) in width. The thickness cannot exceed 0.266 mm (0.0104724409448819 in).
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