TABLE 4-1 



Tensile Yield and Ultimate Strength Tests of Wire Rope Shots 

 (Short Lengths with Swaged Terminations) 



Component 



Result 



B-3540 



B-3540 



- two samples 

 from first de- 

 livered order 



- three samples 

 from re-worked 

 first delivered 

 order 



Swaged SS fork terminations slipped off: 



100' shot with SS fork ends: 7200 lbs., 24 October 1967 



(see Fig. 4-1) 

 1' shot with SS fork and Galvanized Eye ends: 7000 lbs., 

 early October 1967 



Wire rope parted: 



6' shot with SS fork ends: 8600 lbs., 25 October 1967 

 shot with SS fork ends: 9800 lbs. , 24 October 1967 

 shot with Galvanized eye ends: 8900 lbs. 24 October 1967 



B-3695 - two samples from Wire rope parted: 

 first deHvered shot: 13250 lbs. 



order 1' shot with SS fork and Galvanized eye ends: 12, 800 lbs. 



12 October 1967 



B-3540 - two samples 



from second de- 

 livered order 



Swaged SS fork terminations slipped off; 

 5' shots with SS fork and Galvanized eye ends: SS forks 

 slipped 1/8" at 7500 lbs. and slipped off completely 

 at 9000 lbs. , 26 June 1968 



B-3540 - two samples from Wire rope parted: 



re-worked second 5' shots with SS fork and Galvanized eye ends: SS fork 

 delivered order started slipping at 8500 lbs., slip increased to 1/16" 



at 9000 lbs. Wire rope parted at 9400 lbs., 27 June 1968 



B-3695 - sample from second Wire rope parted: 



delivered order 5' shot with SS fork and Galvanized eye ends: Ends 



started slipping at 13500 lbs., slip increased to 1/8" at 

 17000 lbs. Wire rope parted at 17400 lbs., 26 June 1968 



* Rated ultimate strength of B-3540 wire rope is 10, 000 lbs 

 ** Rated ultimate strength of B-3695 wire rope is 16, 000 lbs. 



240 



