AMS 4921

AMS 4921
Revision: “R” issued 07/2021
Commercially Pure 70 ksi Yield Strength (Grade 4)
Product Forms: Titanium Bars, Wire, Forgings, and Rings
Condition: Annealed

Composition Analysis
Iron (Maximum): 0.50%	Hydrogen (Maximum): 0.0125%
Oxygen (Maximum): 0.40%	Other Elements (Each): 0.10%
Carbon (Maximum): 0.08%	Other Elements (Total): 0.30%
Nitrogen (Maximum): 0.05%	Titanium: Balance

 

Tensile Properties (Minimums)*
Tensile: 80 ksi	Elongation: 10 – 15%
Yield: 70 ksi	Reduction of Area: 25 – 30%

*Tensile property requirements vary based on orientation, section thickness/diameter, and cognizant engineering organization requirements.

Required Acceptance Tests

• Chemical Composition
• Tensile Properties
• Surface Contamination
• Ultrasonic (where required)

Disclaimer
The use of this information is strictly voluntary. Information may contain typographical errors, and should be used as a guideline only. This Material Spec Sheet contains generalizations and is in no way a substitution for the AMS 4921 specification.

To purchase AMS 4921R, please visit: http://standards.sae.org/ams4921r/

Changes may be made to the information contained herein.