The Brasses 



73 



100 

 95 

 90 



; 85 

 [ 80 



I 75 



[^o 



t 



< 60 

 i 55 



f 



50 

 45 

 4-0 



Annealed 



4 BUS No. 

 Hard 



6BS5No. 

 Hard 



Chabt 139. — The effect of ready-to-finish grain size on the tensile 

 strength of cold-rolled common high-brass strip (65. 10 % copper) (0.040- 

 in. stock) . 



Annealed 



4BSSN0 

 Hard 



6BSSN0. 

 Hard 



Chart 140. — The effect of ready-to-finish grain size on the apparent 

 elastic limit of cold-roUed common high-brass strip (65.10 % copper) 

 (0.040-in. stock). 



75 

 70 

 65 



60 



b5 



50 

 t 

 ^ 45 



E 40 



I- 



£ 35 

 u 



^ 30 



^■^25 



D 20 

 cr> 



o 15 

 u 

 10 



5 

 



Annealed 



4 BSS No. 

 Hard 



SBSSNo. 

 Hard 



86 

 84 

 82 

 80 

 78 

 76 

 74 

 72 

 70 

 68 

 66 

 64 

 62 

 60 

 58 

 56 

 54 

 52 

 50 



Annealed 



4BSSN0. 

 Hard 



6 B&SNo. 

 Hard 



Chart 141. — The effect of ready-to-finish grain size on percentage 

 elongation in 2 in. of cold-rolled common high-brass strip (65.10% 

 copper) (0.040-in. stock). 



Chart 142. — The effect of ready-to-finish grain size on Rockwell 

 hardness of cold-rolled common high-brass strip (65.10% copper) 

 (0.040-in. stock). 



