an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range

steel containing chromium that makes it resistant to corrosion

Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures

a steel alloy made with chromium and tungsten

a steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock

steel containing 10-15% molybdenum; properties are similar to tungsten steel