SHEET NON-FERROUS METALS 



787 



130,000 



120,000 



110,000 



100,000 



90,000 



80.000 



70,000 



60.000 



A 



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DASHED LINES 

 SHOW TENSILE 

 LIMITS 



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D ® / 

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y 



y 



-/^ 



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o 



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:|4GA 



= 16 

 = 18 

 = 20 

 = 22 

 = 24 

 = 26 

 = 28 

 = 30 

 = 32 

 = 34 

 = 36 



(.064") 

 (.051") 

 (.040") 

 (.032") 

 (.025") 

 (.020") 

 (.016") 

 (.0125") 

 (.010") 

 (.008") 

 (.006") 

 (.005") 



-10 



10 20 30 

 PERCENT REDUCTION 



40 50 

 BY ROLLING 



60 



70 



Fig. 



14 — -Relation of Tensile Strength to Percentage of Reduction of Alloy B Nickel- 

 Silver Rolling Series. 



TABLE XIV 



Physical Properties of Alloy A Phosphor-Bronze Sheet 



Temper, 



B. & S. 



Numbers 



Hard 



B. &S. 

 Gage, 



Actual 

 Percentage 

 Reduction 

 by Rolling 



Tensile 



Strength, 



lb. per 



sq. in. 



Elongation 

 in 2 in., 

 per cent 



Rockwell Hardness, 



"B" Scale, ;^-in. Ball 



(Red Figures) 



100-kg. Load 



150-kg. Load 



Soft 

 2. . 

 4. . 

 6. . 

 8. . 

 10. . 



Soft 

 2. . 

 4. . 

 6. . 

 8. . 

 10. , 



Soft 

 2. . 

 4. . 

 6. . 

 8. . 

 10. 



0.0636 

 0.0501 

 0.0395 

 0.0321 

 0.0248 

 0.0203 



0.0324 

 0.0242 

 0.0199 

 0.0166 

 0.0126 

 0.0105 



0.0162 

 0.0129 

 0.0107 

 0.0082 

 0.0062 

 0.0050 







21.2 

 37.8 

 49.5 

 61.0 

 68.1 







25.2 

 38.6 

 48.8 

 61.0 

 67.6 







20.4 

 33.3 

 49.2 

 61.7 



46,900 

 61,200 

 75,150 

 85,700 

 93,900 

 97,450 



47,000 

 62,500 

 73,600 

 83,950 

 91,900 

 97,350 



46,350 

 61,250 

 72,800 

 84,900 

 94,450 

 96.400 



53 



21.8 

 8.0 

 4.0 



2.5 

 2.0 



51 



15.5 

 6 



2.5 

 1.5 

 1.5 



38.5 

 15.5 

 4.5 

 1.5 

 1.3 

 1 



23.8 

 75.9 

 84.8 

 88.9 

 91.4 

 92.2 



26.6 

 75.3 

 80.6 

 84.4 

 88.1 

 89.3 



—6.9 



43.3 

 58.3 

 65.2 

 68.8 

 69.7 



—7.6 

 43.2 

 48.0 

 55.0 



Note. — Tensile strength and percentage elongation are an average of 3 specimens 

 in each case; Rockwell hardness values are an average of 15 determinations of 5 

 readings on each of 3 tension test specimens. 



