Tenders for Supply of Brass Tube Pipe In Length Of 4 To 5 Mtrs. Of Size Od-35 Mm, Id-25 Mm Grade Cuzn 30 As Having Chemical Composition Copper Plus Incidental Nickel 68.5 To 71.5% Lead Max 0.07%, Iron Max 0.06%, Arsenic 0.02 To 0.06%, Total Impurities Max 0.3%, Zinc Remainder. Confirming To Is:407/1981 Or Latest. Party Will Submit Test Certificate Of Chemical Composition From Nabl Accredited Or Government Lab Along With Supply, Confirming To Is: 407/1981 Or Latest. Shop No.03