Stainless steel in an alloy steel of the following metals

Options

A. Fe Only
B. Cr and Ni
C. W and Cr
D. Ni and Be

Answer

B

Explanation

Stainless steel is an alloy of iron with a minimum of 10.5% and maximum of 26% chromium which produces a thin layer of oxide on the surface of the steel known as “passive layer” and nickel (3.5 to 22%).