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Edge:

The side produced in the manufacture of flat rolled metal products.

Elongation:

An increase in length that occurs when a metal is subjected to stress but has not fractured.

Eutectoid Steel:

A steel that contains 0.9% carbon.

Expander Steel:

Steel that has been hardened, tempered and blue polished; often used for the expanders in oil piston rings.

Extra-Hard Temper:

In brass mill terminology, Extra Hard is six numbers hard or 50.15% reduction from the previous annealing or soft stage.

Extra-Spring Temper:

In brass mill terminology, Extra Spring is ten numbers hard or 68.55% reduction in thickness from the previous annealing or soft stage.

Extrusion:

Shaping metal into a chosen continuous form by forcing it through a die of appropriate shape.