1095

Etymology
For steels with 1% or less carbon content, "95" (0.95%) fractional portion of the percentage of carbon content.

Noun

 * 1)  A common grade of high carbon steel (0.95% carbon) used for blades. This grade is not a stainless steel, thus knives made with it must be oiled to prevent rusting, but its properties are suitable to make functional presentation swords.