During the September 2023 Apple Event, materials science engineer Isabel Yang stated that the new iPhone 15 Pro will be using Grade 5 titanium in its frame. Greg Joswiak referred to it as ‘the most premium material [Apple has] ever used in an iPhone enclosure.’ This new frame certainly sounds like a tech enthusiast’s dream, but many Apple fans might be scratching their heads as to why Apple specifically chose Grade 5 titanium. What is it? How is it
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