TIMET TIMETAL® Code 12 Titanium Alloy (ASTM Grade 12)

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TIMET TIMETAL® Code 12 Titanium Alloy (ASTM Grade 12)
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	Features: Highly weldable, near-alpha alloy, exhibiting improved strength and temperature capability over CP combined with superior crevice corrosion resistance and excellent resistance under oxidizing to mildly reducing conditions especially chlorides. Data provided by TIMET.
Key Words:	UNS R53400
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Physical Properties	Original Value	Comments

Density	4.51 g/cc	Typical

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	>= 483 MPa
	600 MPa	Typical
Tensile Strength, Yield	>= 345 MPa @Strain 0.2 %
	460 MPa @Strain 0.2 %	Typical
Elongation at Break	>= 18 %
	22 %	Typical
Reduction of Area	>= 25 %	bar, billet, forgings
Modulus of Elasticity	103 GPa
Poissons Ratio	0.21
Fatigue Strength	300 MPa	Limit; test specifics not reported
Shear Modulus	42.7 GPa
Bend Radius, Minimum	4.0 t @Thickness <=1.78 mm	sheet and plate
	5.0 t @Thickness 1.78 - 4.75 mm	sheet and plate

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000520 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	9.54 µm/m-°C
Specific Heat Capacity	0.544 J/g-°C
Thermal Conductivity	19.02 W/m-K
Maximum Service Temperature, Air	600 °F	ASME Boiler Code
Beta Transus	890 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.08 %	Nominal
Hydrogen, H	<= 0.015 %
Iron, Fe	0.15 %	Nominal
Molybdenum, Mo	0.3 %	Nominal
Nickel, Ni	0.8 %	Nominal
Nitrogen, N	0.03 %	Nominal
Other, each	<= 0.10 %
Other, total	<= 0.30 %
Oxygen, O	0.12 %	Nominal
Titanium, Ti	98.5 %	as balance

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NTIME12 / 19283

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