TIMET TIMETAL® 679 (Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si) Titanium Alloy; Oil Quenched & Aged

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

TIMET TIMETAL® 679 (Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si) Titanium Alloy; Oil Quenched & Aged
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	High-Temperature, High-Strength Creep Resistant Alloy Industry Specifications: USA Aerospace: AMS 4974. TIMETAL 679 has excellent tensile strength and is creep resistant up to 450°C. It is a three-phase alloy at room temperature, having an alpha + beta + compound field and a maximum processing temperature of 925°C is recommended. It is nonmagnetic. Typical heat treatment for this alloy: Solution heat treatment: 900°C for 30 min. Aging heat treatment: 500°C for 24 hrs, air cool. Data provided by TIMET.
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	4.84 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	899 MPa @Temperature 450 °C
	932 MPa @Temperature 400 °C
	986 MPa @Temperature 300 °C
	1021 MPa @Temperature 200 °C
	>= 1110 MPa @Temperature 20.0 °C
	1118 MPa @Temperature 100 °C
Tensile Strength, Yield	688 MPa @Strain 0.2 %, Temperature 450 °C
	701 MPa @Strain 0.2 %, Temperature 400 °C
	738 MPa @Strain 0.2 %, Temperature 300 °C
	819 MPa @Strain 0.2 %, Temperature 200 °C
	940 MPa @Strain 0.2 %, Temperature 100 °C
	>= 970 MPa @Strain 0.2 %, Temperature 20.0 °C
Elongation at Break	>= 8.0 % @Temperature 20.0 °C	in 5D
	14 % @Temperature 100 °C	in 5D
	14 % @Temperature 300 °C	in 5D
	14 % @Temperature 400 °C	in 5D
	14 % @Temperature 450 °C	in 5D
	15 % @Temperature 200 °C	in 5D
Reduction of Area	>= 25 % @Temperature 20.0 °C
	43 % @Temperature 100 °C
	45 % @Temperature 450 °C
	46 % @Temperature 200 °C
	46 % @Temperature 300 °C
	46 % @Temperature 400 °C
Modulus of Elasticity	107 GPa	Typical
Notched Tensile Strength	>= 1480 MPa
Shear Modulus	46.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000160 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	8.30 µm/m-°C @Temperature 20.0 °C
Thermal Conductivity	8.30 W/m-K
Maximum Service Temperature, Air	450 °C	Creep Resistance Maintained
Beta Transus	950 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	2.0 - 2.5 %
Hydrogen, H	<= 0.0125 %
Iron, Fe	<= 0.20 %
Molybdenum, Mo	0.80 - 1.2 %
Oxygen, O	<= 0.20 %
Silicon, Si	0.10 - 0.50 %
Tin, Sn	10.5 - 11.5 %
Titanium, Ti	77.9 - 82.6 %	Calculated as remainder
Zirconium, Zr	4.0 - 6.0 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
TIMET TIMETAL® 6-4 ELI Titanium Alloy (Ti-6Al-4V ELI; ASTM Grade 23) (Solution Treated; 0.025 - 1.000 in Sheet and Plate; Per ASTM B265)
TIMET 6-6-2 Titanium Alloy (Ti-6Al-6V-2Sn), Solution Treated and Aged
TIMET TIMETAL® 6-2-4-6 Titanium Alloy (Ti-6Al-2Sn-4Zr-6Mo), 50% Equiaxed Alpha + STOA
TIMET TIMETAL® 6-2-4-6 Titanium Alloy (Ti-6Al-2Sn-4Zr-6Mo), Beta Forged + STA
ATI Allvac® Vasco® Greek Ascoloy Specialty Steel, Heat Treatment: 871°C (1600°F) + Age

NTIME679 / 19336

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message