Titanium IMI 230 (Ti-2.5Cu), aged

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Titanium IMI 230 (Ti-2.5Cu), aged
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes:	Applications: Excellent cold formability, 20-50% higher tensile properties than CP titanium grades. Primarily used in aircraft hydraulic systems. These properties are for the aged metal (higher strength than annealed metal) 1 other heat treatment of this alloy is in MatWeb.
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Physical Properties	Original Value	Comments

Density	4.56 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	770 MPa
Tensile Strength, Yield	585 MPa
Elongation at Break	22 %
Modulus of Elasticity	105 GPa	Value for unaged sample.
Poissons Ratio	0.31	Typical for alpha titanium alloy.
Fatigue Strength	200 MPa @# of Cycles 1.00e+7	K_t = 3.3
	470 MPa @# of Cycles 1.00e+7	unnotched
Shear Modulus	40.1 GPa	Calculated from typical values.
Bend Radius, Minimum	2.0 t @Thickness 0.500 - 3.00 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000650 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	9.02 µm/m-°C @Temperature 20.0 - 100 °C
	9.10 µm/m-°C @Temperature 20.0 - 300 °C	average
	9.46 µm/m-°C @Temperature 20.0 - 600 °C	average
Specific Heat Capacity	0.525 J/g-°C	Typical value for titanium alloys.
Thermal Conductivity	13.0 W/m-K
Maximum Service Temperature, Air	350 °C
Beta Transus	895 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.080 %
Copper, Cu	2.0 - 3.0 %
Hydrogen, H	<= 0.010 %
Iron, Fe	<= 0.20 %
Nitrogen, N	<= 0.050 %
Other, total	<= 0.40 %
Oxygen, O	<= 0.20 %
Titanium, Ti	96.06 - 98 %	As Balance; Elemental Composition per ASTM B265

References for this datasheet.

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MTA232 / 14122

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