NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;CR C 50(NI 20CR)CLAD;-88 +5.5 UM;HIGH NI/CHROME CONTENT PRODUCES COATINGS THAT ARE VERY TOUGH.RECOMMENDED FOR APPLICATIONS REQUIRING RESISTANCE TO WEAR BY HARD SURFACES AND ABRASIVE PARTICLES AT ELEVATED TEMPREATURES BETWEEN 1000-1500DEG (F)