Nickel Silvers 



219 



900 



1400 



1000 1100 1200 1300 



Annealing Temp, in Deg.F: f IHr a+ Temp.) 



Chart 90. — The effect of annealing on the grain-growing charac- 

 teristics of 5 per cent nickel-silver strip, previously cold-rolled 6 B. & 

 S. Nos. (50 per cent reduction of area) from two different grain sizes, 

 0.015 and 0,110 mm. (63.55% coppei-, 5.14% nickel, balance zinc) 

 (0.040-in. stock). 



100 



90 «— 



80 



£ 70 

 & 

 '^ 60 



\. 



lU 



D- 50 



o 40 

 o 



2 30 

 20 



Room 400 500 600 700 800 900 1000 1100 1200 1300 ■ 

 Annealing Temp, in Deg.FflHr. a+Temp.) 



Chaet 89. — The effect of annealing on the tensile strength and 

 apparent elastic limit of 5 per cent nickel-silver strip, previously cold- 

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

 grain sizes, 0.015 and 0.110 mm. (63.55% copper, 5.14% nickel, 

 balance zinc) (0.040-in. stock). 



no 



100 



90 



" 80 



70 



S 60 



CD 



50 



40 



30 



I 



1 20 







Room 400 500 600 700 800 900 1000 1100 1200 1300 

 Annealing Temp, in Deg.F { 1 Hr. a+ Temp.) 



Chart 91. — The effect of annealing on the Rockwell hardness and 

 percentage elongation in 2 in. of 5 per cent nickel-silver strip, previously 

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

 different grain sizes, 0.015 and 0.110 mm. (63.55 % copper, 5.14 % 

 nickel, balance zinc) (0.040-in. stock). 



,110 

 100 



90 



80 



^ 60 



S.50 



-' 4-0 

 o 

 o 

 o 30 



20 



10 







400 500 600 700 800 '^00 1000 1100 1200 1300 

 Annealing Temp, in Deg. F. ( I Hr. a+ Temp.) 



Chart 92. — The effect of annealing on the yield strength of 5 per 

 cent nickel-silver strip, previously cold-rolled 6 B. & S. Nos. (50 per 

 cent reduction of area) from a grain size of 0.015 mm. (63.55 % copper, 

 5.14% nickel, balance zinc) (0.040-iu. stock). 



