Tenders for Supply of Commercial Grade Argon Gas 98% Argon & 2 % Co2 Mixture Required For Mig Welding Applicatio N As Per Is No.-5760/1998 Grade-I, Amendment No.-01, Rev. 02 Or Latest. Note: Supply Of Gas Will In Staggered M Anner As & When Required Basis, Make: Nahata Or Equivalent. As Per Drg.No. Na Specn: As Per Is No.-5760/199 8 Grade-I, Amendment No.-01, Rev. 02 Or Latest. Warranty Period: 30 Months After The Date Of Delivery