WAcmonital
WAranmula kannadi
WArsenical copper
WAuricupride
WCobalt monosilicide
WCompacted graphite iron
WDutch metal
WFernico
WGilding metal
WItalma
WMegallium
WMelchior (alloy)
WNon-evaporable getter
WNordic Gold
WPermendur
WPinchbeck (alloy)
WRose's metal
WShibuichi
WSpiegeleisen
WStaballoy
WVitallium