supply of set of heavy duty aluminium alloy ferrulesset of heavy duty aluminium alloy ferrules,set of heavy duty aluminium alloy ferrules ( type b) as per is 10942, material is aluminium a lloy to designation 52000 of is 1285, hardness should be greater than 40 hb as per 3.2 of is 5245 for splici ng of heavy duty steel wire ropes. following sizes and quantity mentioned against each - (i) 15s ferrule ( s uitable for nominal wire rope size 14 mm) -qty 80 nos, (ii) 17s ferrule ( suitable for nominal wire rope size 16 mm)- qty 80 nos, (iii) 19s ferrule ( suitable for nominal wire rope size 18 mm)- qty 100 nos, (iv) 21s fe rrule ( suitable for nominal wire rope size 20 mm) - qty 100 nos. material test certificate and hardness test certificate from a govt. authorized lab should be provided along with the material with one year warranty. [ warranty period: 12 months after the date of delivery ] ] => limited