delta metal

noun

A brass alloy consisting of copper (55%), zinc (41-43%) and iron (1-3%), with the balance consisting of various other metals. The proportions used make the material harder and suitable for valves and bearings.

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Meanings

noundelta metal (uncountable)
  1. uncountableA brass alloy consisting of copper (55%), zinc (41-43%) and iron (1-3%), with the balance consisting of various other metals. The proportions used make the material harder and suitable for valves and bearings.

Origin

The three metals are symbolised by the triangular (delta) shape.

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Cite this entry
APA

delta metal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/delta%20metal

MLA

“delta metal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/delta%20metal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “delta metal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/delta%20metal.

Source: delta metal on Wiktionary, CC BY-SA 4.0.