New iPhone 60 percent stronger

The new iPhone and iPhone 6S 6S Plus are probably made of a stronger kind of aluminum. The so-called '7000 series aluminum "was also used to create the Apple Watch Sport and is about 60 percent stronger than the kind that are being used in smartphones from Apple.

Apple Watch 

It is reported that the Chinese website United Daily News (UDN). The use of the 7000 series aluminum seems a logical step for Apple. The manufacturer shall regularly bring materials and new technologies in products after the first time in a different product tested. The successors of the iPhone 6 is expected to be announced around September.