Table 25. Effect of Exposure in Surface Sea Water for 6 Months 

 on the Mechanical Properties of Miscellaneous Alloys, 



Alloy 



Original 

 Properties' ' 



Percent Change' ' 

 Surface, 181 Days 



TS 



YS 



El 



TS 



YS 



El 



Columbium 



113.7 



102.4 



12.3 



-3.4 



- 2.4 



+ 1.6 



Molybdenum 



13.8 



11.6 



16.8 



-2.2 



+ 0.9 



-13.7 



Tantalum 



48.8 



36.6 



48.7 



-3.5 



-10.9 



- 4.5 



TS - Tensile strength, KSI 



YS - Yield strength, KSI 



El - Elongation, percent in 1 inch 



TS - Tensile strength 



YS - Yield strength 



El - Elongation 



