Common Name
General Information
Ti-6Al-2Sn-4Zr-6Mo is a “rich” alpha-beta alloy which finds use in aircraft applications and in the oil and gas industry. The materials is more difficult to fabricate than the more “lean” Ti-6Al-2Sn-4Zr-2Mo alloy. The alloy is available as wire, bar, billet, and forgings.
Common Specification
Specification Product Form
AMS 4981 Bar, Wire, Forgings, Heat Treated


Chemistry Requirements
N C H Fe Al O V Sn Mo Ti
0.04 0.04 0.125 0.15 5.5-6.5 0.15 3.6-4.4 1.8-2.2 5.5-6.5 Balance

% Maximum unless given as a range.

Minimum Tensile Properties
Condition UTS ksi (Mpa) >0.2%YS ksi (MPA) % El. % RA*
Solution Treated & Aged 170 (1172) 160 (1103) 8-10 15-20

* ASTM B-265 minimum.

Typical Tensile Properties
Condition UTS ksi (Mpa) >0.2%YS ksi (MPA) % El. % RA*
Annealed 160 (1110) 148 (1020) 15
Solution Treated & Aged (BSTA) 174 (1200) 152 (1050) 7
Solution Treated & Aged (STA-1) 176 (1210) 163 (1120) 13
Solution Treated & Aged (STA-2) 229 (1580) 204 (1410) 4

Note: Typical properties are not to be utilized as a requirement, but are only listed for guidance. These properties may or may not be attainable in all circumstances.
* %Ra not required by all specifications
Trademark Notice: Some names are trade names and/or trademarks of specific manufacturers. Titan Singapore is not affiliated with any manufacturer(s). Orders will be filled to meet specifications from any available source(s). Names are listed solely for reference to help identify products consistent with listed specifications.