Class: ERTi-9
AWS: A5.16

C = 0.03 max
O = 0.12 max
H = 0.008 max
N = 0.02 max
Al = 2.5-3.5
V = 2.0-3.0
Fe = 0.25 max
Y = 0.005 max

These materials are often referred to as “half 6-4” because the major components are roughly half that found in ERTi-5. Primary use, to date, has been in welding hydraulic tubing and fittings for aircraft. Has the ability to maintain strength at elevated temperatures. Titanium is a reactive metal that is sensitive to embrittlement by oxygen, nitrogen and hydrogen at temperatures above 500F. This can be provided by shielding the metal with high purity inert gas or in a chamber. Cleanliness of the joint is a major factorin producing porosity free welds. Protection of the wire at all times is required to assure cleanliness. Can be fusion welded to Zirconium, Tantalum, Nobium and Vanadium. Should not be fusion welded to Copper, Iron, Nickel, and Aluminum, as it will produce extremely brittle welds