328 



Copper and Copper-base Alloys 



TABLE 10 



RECOMMENDED RADII FOR FORMING 90-DEG. BENDS IN 6% (GRADE A) PHOSPHOR BRONZE SHEET 



According to Straw, Helfrick, and Fischnipp**" 



Copper, 95.7%; tin, 4.3%; phosphorus, 0.20%; iron, max. 0.10% 



• None of the radii tested ■ 



