The Brasses 



33 



25 35 45 



Shear S+reng+h^ 1,000 Lb. per Sq. In. 



Chakt 11. — Converaion chart for determination of shear strength 

 of gilding metal (95.00 % copper, balance zinc) when tensile strength 

 is known. Accurate to +5%.<'«' 



0.001 



Q006 



0.002 0.003 0.004 0.005 

 S+rain- Inches per Inch 



Chart 12. — The effect of cold-working on the stress-strain charac- 

 teristics of gilding-metal strip (0.040-in. thick) having a ready-to- 

 finish grain size of 0.015 mm.; 5,000-lb. capacity hydraulic testing 

 machine and Templin automatic extensometer accurate to 0.00001 in. 

 used (94.59 % copper). 



0.001 0.002 0.003 0.004 0.005 0.006 



S+rain, Inches per In. 



Chart 13. — The effect of cold working on the stress-strain characteristics of gilding-metal strip (0.040 in. thick) having a ready-to-finish grain size 

 of 0.070 mm.; 5,000-lb. capacity hydraulic testing machine and Templin automatic extensometer accurate to 0.00001 in. used (94.59 % copper). 



