1.   His tone was calm, even, yet underlaid with tempered steel.

2.   When he opened them again they fastened on hers, blue and cold as tempered steel.

3.   In person, Keyshawn Johnson displays the tempered steel of a survivor.

4.   Look for a tempered steel blade of medium hardness.

5.   Tempered steel, for example, becomes stronger and more useful through such a process.

6.   But they admitted that prospective buyers were more interested in its tempered steel and other metals.