1.1 This specification covers titanium and titanium aloy ingots as follows:
1.1.1 Grade 1- UNS R50250. Unalloyed titanium,
1.1.2 Grade 2- _UNS R50400. Unalloyed titanium,
1.1.3 Grade 3- UNS R50550. Unalloyed titanium,
1.1.4 Grade 4 _UNS R50700. Unalloyed titanium,
