TIMET TIMETAL® 6-2-4-6 Titanium Alloy (Ti-6Al-2Sn-4Zr-6Mo), Beta Forged + STA

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® 6-2-4-6 Titanium Alloy (Ti-6Al-2Sn-4Zr-6Mo), Beta Forged + STA.pdf
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Material Notes:

This entry has UTS, TYS, Elongation, ROA, and fatigue values specific to material in the Beta Forged + STA (885°C/1hr/AC + 595°C/8hr/AC) condition. Other data below are typical of TIMETAL® 6-2-4-6. High-Strength, Intermediate Temperature AlloyFeatures: TIMETAL 6-2-4-6 is a stronger derivative of TIMETAL 6-2-4-2 offering higher strength, depth hardenability and elevated temperature properties up to 450°C. This alloy is similar in forgeability and crack sensitivity to TIMETAL 6-4. This alloy is used in intermediate compressor stages of turbine engines for disks and blades, seals, and for airframe parts. It is nonmagnetic.Data provided by TIMET.

Physical Properties	Metric	English	Comments
Density	4.64 g/cc	0.168 lb/in³	Typical

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1199 MPa	173900 psi
Tensile Strength, Yield	1047 MPa	151900 psi
Elongation at Break	7.0 %	7.0 %
Reduction of Area	13 %	13 %
Modulus of Elasticity	115 GPa	16700 ksi	Typical
Fatigue Strength	262 MPa @# of Cycles 1.00e+7	38000 psi @# of Cycles 1.00e+7	notched
	675 MPa @# of Cycles 1.00e+7	97900 psi @# of Cycles 1.00e+7	smooth

Thermal Properties	Metric	English
CTE, linear	9.00 µm/m-°C @Temperature 20.0 - 100 °C	5.00 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.502 J/g-°C	0.120 BTU/lb-°F
Thermal Conductivity	7.61 W/m-K	52.8 BTU-in/hr-ft²-°F
Melting Point	1595 - 1675 °C	2903 - 3047 °F
Solidus	1595 °C	2903 °F
Liquidus	1675 °C	3047 °F
Beta Transus	940 °C	1720 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	5.5 - 6.5 %	5.5 - 6.5 %
Carbon, C	<= 0.040 %	<= 0.040 %
Hydrogen, H	<= 0.125 %	<= 0.125 %
Iron, Fe	<= 0.15 %	<= 0.15 %
Molybdenum, Mo	5.5 - 6.5 %	5.5 - 6.5 %
Nitrogen, N	<= 0.040 %	<= 0.040 %
Oxygen, O	<= 0.15 %	<= 0.15 %
Tin, Sn	1.75 - 2.25 %	1.75 - 2.25 %
Titanium, Ti	79.4 - 83.7 %	79.4 - 83.7 %	Calculated as remainder
Zirconium, Zr	3.6 - 4.4 %	3.6 - 4.4 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000190 - 0.000205 ohm-cm	0.000190 - 0.000205 ohm-cm

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