Garfield County News | 1926-07-23 | Page 2 | Hard and Soft Solders

hard and soft solders soldering operations are classified according to the composition of the alloy used ns as either soldering or hard soldering solders Sold of low melting points composed mainly of lead and tin in varying amounts are known its as soft solders wilma while those of high melting points composed oni po d of varying amounts amount of copper brass zinc silver and gold are known as hard solders solder S the soft solder commonly used la Is made up of half lead and half tin a and nd niela melts at a temperature of ato 37 0 degrees degree 9 fahrenheit tho the more mo reload lead there hero js Is in this alloy tile higher la Is its melting point an and an alloy composed of orle one 1 part tin till find and tivo parts lead melts at 44 1 degrees fahrenheit 1