supply of brass brazing alloys (bacuzn3), 3.15 mm , brass brazing alloys (bacuzn3), 3.15 mm dia rod shall have chemical composition, copper , cu- 59.61 %, tin- 0.8-1.2%, iron-0.15%, antimony-0.05%, lead-0.5%, bs-0.05%, as-0.05%, zn remainder. other element total max-0.1% as per is 2927/1975. note: firm should submit the furnished test certificate or the above chemical composition to is:2927/1975 or latest from nabl accredited or govt. lab along with s upply. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]