TABLE 4-5 

 Tensile Yield and Ultimate Strength Tests of Standard Hardware and Special Fittings 



Item 



Yield Point (lbs. ) Ultimate Load (lbs. ) 



5 ft. length of 3/8" 

 "Cam Alloy" Chain 



Coupling forB-3540 WR 

 3/8" G-215 Shackle 

 7/16" G-215 Shackle 

 1/2" G-2150 Shackle 

 Coupling for B-3695 WR 

 Stopper for B-3540 WR 



Stopper for B-3695 WR 



Grab Eye for 3/8" Chain 

 7/16" 3/6 SS Shackles 



Loaded specimen to 17, 500 lbs. between 



grab eye and 7/16" shackle. No yield 



evident except at grab eye. Yield is 



13, 200 lbs. and ultimate strength is 



26, 000 lbs. according to Campbell Chain Co. 



>6000 



A/8000 



9000 



5500 

 10, 000 



10, 000 



7000 (improper 



pin loading) 



>16, 000 



19,000 



>21, 000 



>18, 500 



16, 000 



1/2" Al Pin Sheared 



> 18, 500 



5/8" Al Pin yielded 

 badly at this load 



17, 500 



eye opened up 



>10, 000 



244 



