Nickel Silvers 



223 



S 30 



20 



10 



11.0 20.7 29.4 37.2 44.0 50.0 55.5 60.5 64.8 



Percenf Reduction of Area by Polling 



01 23456789 10 



BSS Numbers Hard 



Chakt 99. — The effect of cold rolling on the yield strengths of 12 



per cent nickel-silver— leaded strip, previously annealed to a grain 



size of 0.015 mm. (65.49 % copper, 12.11 % nickel, 1.96 % lead, balance 



zinc) (0.040-in. stock). 



11.0 20.7 29.4 372 44.0 50.0 55.5 605 64.8 666 

 Percent Reduction of Area by Rolling 

 01 2 34 5 6 78. 9 10 

 B^S Numbers Hard 

 Chart 100. — The effect of cold rolling on the yield strengths of 12 

 per cent nickel-silver-leaded strip, previously annealed to a grain 

 size of 0.060 mm. (65.49 % copper, 12.11 % nickel, 1.96 % lead, balance 

 zinc) (0.040-in. stock). 



1000 1100 1200 1300 1400 1500 



Annealing Temp, in Deg.F; C 1 Hn at Temp.) 



Chaet 101. — The effect of annealing on the grain-growing charac- 

 teristics of 12 per cent nickel-silver-leaded strip, previously cold- 

 rolled 6 B. & S. Nos. (50 per cent reduction of area) from two different 

 grain sizes, 0.015 and 0.060 mm. (65.49 % copper, 12.11 % nickel, 

 1.96% lead, balance zinc) (0.040-in. stock). 



CR 600 700 800 900 1000 1100 1200 1300 1400 1500 

 Annealing Temp, in Deg. R f I Hr. at Temp.) 



Chart 102. — The effect of annealing on the tensile strength and 

 apparent elastic limit of 12 per cent nickel-silver-leaded strip, previ- 

 ously cold-rolled 6 B. & S. Nos. (50 per cent reduction of area) from 

 two different grain sizes, 0.015 and 0.060 mm. (65.49 % copper, 12.11 % 

 nickel, 1.96 % lead, balance zinc) (0.040-in. stock). 



