supply of ungalvanised steel 20mm wire rope sling.ungalvanised steel 20mm wire rope sling.,ungalvanised steel 20mm wire rope sling with one end of the sling crimped hyd raulically with standard ferrule and forged solid thimble. the bore of thimble should be 2 8+0.033,-0.00. the wire rope shall be of ordinary lay steel core , 6/36 construction,tensile s trength of 1770n/sqmm as per is-2266. latest. effective length of the wire rope from centre of thimble to free end should be 48 mtrs. the wire rope should be for use in class iv hot me tal handling eot crane of steel melting shop. make : m/s usha martin. note: a) the forged so lid thimble shall be as per is-2315 . b) proof load test certificate for wire rope sling as per i s : 5245 from competent person should accompany the supply. [ warranty period: 12 months af ter the date of delivery ] ]