hard solder EXAMPLES|WORD ORIGIN noun a solder fusing at temperatures above 1200°F (650°C). Liberaldictionary.com
Compare soft solder. Origin of hard solder First recorded in 1840–50 Also called brazing alloy. Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for brazing alloy Historical Examples of brazing alloy
The Clockmakers have come, requisitioned, to do the touch-holes, the hard-solder and filework.
Thomas Carlyle