supply of wire rope steel for air-brake of 3 mm dia, round strand with fibre core, rh ordinary lay, 6 x 19 construction with tensile strength designation 1770 to is:3459:2004 table 2 and galvanizing conforming to type-b of is: 1835: 1976.wire rope steel for air-brake of 3 mm dia, round strand with fibre core, rh ordinary lay, 6 x 19 construction with tensile strength designation 1770 to is:3459:2004 table 2 and galvanizing conforming to type-b of is: 1835: 1976.,wire rope steel for air-brake of 3 mm dia, round strand with fibre core, rh ordinary lay, 6 x 19 construction with tensile strength designation 1770 to is:3459:2004 table 2 and galvanizing co nforming to type-b of is: 1835: 1976. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]