Chrome or chromium


A hard, brittle, bluish-white metal used chiefly in stainless steel and for electroplating other metals. Although chromium is an element, chrome can be either pure chromium or an alloy of it. Chromium's elemental symbol is Cr; atomic number 24; atomic weight 51.996; melting point 1,890?C; specific gravity 7.18; valence 2, 3, 6.Example: Sven Wingquist, designer, manufacturer: SKF Industries, Inc., USA, Self-Aligning Ball Bearing, 1929, chrome-plated steel, 1 3/4 x 8 1/2 inches (4.4 x 21.6 cm) diameter, Museum of Modern Art, NY. MOMA's site says, "Good design was considered by modernists as essential to the elevation of society, and in 1934, this ball bearing was among the first works to enter The Museum of Modern Art's design collection." See circle, design, and technology.