Specialty Metal Hollow Bar Titanium, Copper, and Nickel Alloy Hollow BarPlease find World Titanium’ available hollow bar products offered at locations worldwide. Available in Titanium Alloys, Nickel Alloys, Copper Alloys, and more.Hollow Bar Size Range: Min diameter: 2.500″/60.00 mm | Max diameter: 16.000″/500.00 mm Get A Quote Titanium Hollow Bar Commercially Pure Titanium Grade 2 CP 3 | UNS R50400 Grade 4 CP 1 | UNS R50700 Titanium Alloys 6Al-4V Grade 5 | UNS R56400 6Al-4V Grade 5 STA | UNS R56400 7Al-4Mo | UNS R56740 Grade 7 | UNS R52400 Copper Alloy Hollow Bar Copper Alloys: C72900 Copper Alloy Hollow Bar Copper Alloys: 625 | UNS N06625 718 | UNS N07718 Get A Quote