Table 16. Effect of Exposure in Sea Water on the Mechanical 

 Properties of Cast Irons. 





Ori 



ginal' 



L) 



Percent ( 2 ) 

 Change 



Properties 



Surface, 181 Days 



Alloy 



TS 



YS 



El 



TS 



YS 



El 



Austenitic, Type 4 



Austenitic, 

 Type D2-C 



22.8 

 46.8 



20.1 



41.7 



2.3 



4.7 



+11.4 

 -17.9 



+7.4 

 -8.0 



+30.0 

 -34.0 



1. TS - Tensile Strength, SKI 

 YS - Yield Strength, KSI 



El - Elongation, percent in 2 inches 



2. TS - Tensile Strength 

 YS - Yield Strength 

 El - Elongation 



