lexiara

preamble_4135

In the case of sheet-metal the axis of the tensile test-piece shall be at right angles to the direction of rolling. The permanent elongation at fracture, shall be measured on a test piece of circular cross-section in which the gauge length l is equal to five times the diameter d (l = 5d); if test pieces of rectangular cross-section are used, the gauge length l shall be calculated by the formula:

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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.