Overview -- U.S.-based can maker Ball Corp. plans to issue $500 million of senior notes due 2022 for refinancing purposes. -- We are affirming our 'BB+' corporate credit rating and issue-level ratings on Ball. -- At the same time, we are assigning our 'BB+' senior unsecured debt rating and '4' recovery rating to these notes. We are assigning a 'BB+' preliminary rating to the company's new shelf registration. -- The stable outlook reflects steady cash flow generati