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

Category	Metal , Nonferrous Metal , Titanium Alloy , Alpha/Beta Titanium Alloy
Manufacturer	TIMET
Trade Name	TIMETAL®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	TIMET TIMETAL® 679 (Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si) Titanium Alloy; Quenched & Aged.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

High-Temperature, High-Strength Creep Resistant AlloyIndustry Specifications: USA Aerospace: AMS 4974.Features: 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 temperature of 925°C is recommended. It is nonmagnetic.Typical heat treatment for this alloy: Solution heat treatment: 900°C for 30 min, air cool. Aging heat treatment: 500°C for 24 hrs, air cool.Data provided by TIMET.

Physical Properties	Metric	English	Comments
Density	4.84 g/cc	0.175 lb/in³	Typical

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	>= 1110 MPa	>= 161000 psi
Tensile Strength, Yield	>= 970 MPa @Strain 0.200 %	>= 141000 psi @Strain 0.200 %
Elongation at Break	>= 8.0 %	>= 8.0 %
Reduction of Area	43 %	43 %
Modulus of Elasticity	105 - 110 GPa	15200 - 16000 ksi	Typical
Fatigue Strength	610 - 670 MPa	88500 - 97200 psi	Limit; test specifics not reported
Shear Modulus	46.0 GPa	6670 ksi

Thermal Properties	Metric	English
CTE, linear	8.30 µm/m-°C @Temperature 20.0 °C	4.61 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	8.30 W/m-K	57.6 BTU-in/hr-ft²-°F
Beta Transus	950 °C	1740 °F

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

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000160 ohm-cm	0.000160 ohm-cm

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