The Brasses 



71 



100 



400 500 600 700 800 900 1000 1100 1200 1300 

 Annealing Temp, in Deg.F. (IHr.af Temp.) 



Chart 131. — The effect of annealing on the tensile strength and 

 apparent elastic limit of common high-brass strip, previously cold- 

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

 grain sizes, 0.015 and 0.070 mm. (66.49 % copper) (0.040-in. stock). 



0) Ll. 

 O 

 \~ n 



D_ (1) 



.11 



-1- a 



c = 

 o I 



Ml > 



400 500 600 700 800 900 1000 IIOO 1200 1300 

 Annealing Temp, in Deg.F ( 1 Hr. af Temp.) 



Chart 1.32. — The effect of annealing on the Rockwell hardness and 

 percentage elongation in 2 in. of common high-brass strip, previously 

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

 different grain sizes, 0.015 and 0.070 mm. (66.49 % copper) (0.040-in. 

 stock). 



0.200 



0180 



0.160 



0.140 



£ 0,120 



c 01 00 



.a 0080 



.E 0.060 

 



\- 



*^ 0.040 



0020 







400 500 600 700 800 900 1000 1100 1200 1300 1400 

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



Chabt 133. — The effect of annealing on the grain-growing charac- 

 teristics of common high-brass strip, previously cold-rolled 6 B. & S. 

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

 0.015 and 0.070 mm. (66.49 % copper) (0.040-in. stock). 



400 500 600 700' 800 900 1000 IIOO 1200 1300 

 Annealing Temp. in Deg.F OHr.af Temp.) 



Chart 134. — The effect of annealing on the yield strength of common 

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

 reduction of area) from a grain size of 0.015 mm. (66.49 % copper) 

 (0.040-in. stock). 



