ASTM B617-98(2021)

Anotácia textu normy ASTM B617-98(2021) :

This specification covers silver-copper alloy tubing, rod, wire, strip, and sheet material for electrical contacts. The material shall be finished by cold working, heat treating, annealing, turning, grinding, or pickling as are required to produce the prescribed properties. Material produced under this specification shall meet the requirements for chemical composition of silver, copper, zinc, iron, cadmium, lead, nickel, aluminum, and phosphorous. Mechanical properties such as tensile strength, elongation, and hardness shall conform to the prescribed requirements. Materials shall be inspected by visual inspection, temper test, dimensional test, and spectographic or chemical analysis


Keywords:
arcing contacts, coin silver alloy, compositions, electrical contacts, impurities, precious metals, silver alloy, silver copper alloy,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)