326 



Copper and Copper-base Alloys 



TABLE 8 

 RECOMMENDED RADII FOR FORMING 90-DEG. BENDS IN GRADE A (DEEP-DRAWING) NICKEL-SILVER SHEET 



According to Gohn'*" 

 Copper, 70.5-73.5%; nickel, 16.5-19.5%; zinc, 8.5-11.5%; iron, max. 0.35% 



■ Value not determined. 



^ Based on data by Straw, Helfrick, and Fischrupp*^^'. 



« Interpolated from forming data on other gages. 



