Definition

1. Noun:
   • A type of brass alloy: "red brass" is a specific alloy of copper and zinc that contains a higher proportion of copper, giving it a distinct reddish color compared to more common yellow brasses. It is valued for its corrosion resistance and machinability.

Usage

• "Red brass" is used as a material in specific industrial and manufacturing contexts. It is a compound noun where "red" describes the color of the "brass" alloy.
  • The valves were made from durable red brass.
  • Red brass is often specified for plumbing fittings because it resists dezincification.

Examples

• Noun:
  • The antique doorknob was crafted from red brass, giving it a warm, rosy hue.
  • Compared to yellow brass, red brass contains more copper, making it more expensive.

Advanced Usage

• Technical Specification: In metallurgy and engineering, "red brass" often refers to alloys like C23000, which is approximately 85% copper and 15% zinc.
  • The specification calls for red brass (C23000) for all potable water system components.

Variants and Related Words

• Gunmetal: While similar in color, gunmetal is a different alloy, typically of copper, tin, and zinc.
• Yellow Brass: A more common brass alloy with a higher zinc content and a more golden-yellow color.
• Bronze: An alloy primarily of copper and tin, not zinc, and is also used in hardware and sculptures.

Synonyms

• Low Brass: Sometimes used interchangeably, though not precisely the same.
• Rich Low Brass: A term emphasizing its high copper content.

Notes

• "Red brass" is a technical/material term. It is not typically used in idiomatic expressions or as a phrasal verb. Its meaning is specific to its composition and application in manufacturing and plumbing.

Noun

1. brass with enough copper to give it a reddish tint; used for plumbing pipe and other brass hardware and in cheap jewelry