ASTM B265
Grade 1-UNS R50250. Unalloyed titanium, Grade 2-UNS R50400. Unalloyed titanium, Grade 2H-UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS), Grade 3-UNS R50550. Unalloyed titanium, Grade 4-UNS R50700. Unalloyed titanium, Grade 5-UNS R56400. Titanium alloy (6 % aluminum, 4 % …