Titanium Grade 4, Annealed

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Titanium Grade 4, Annealed
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	Information provided by Allvac and the references. Applications: Airframe components, cryogenic vessels, heat exchangers, CPI equipment, condenser tubing, pickling baskets. Sample was annealed 2 hr at 700°C. Forms typically available: billet, bar, plate, sheet, strip, rod, wire, extrusions, tubing. Titanium Grades 1,2,3,4,7,11,and 12 are all considered unalloyed and have similar mechanical properties.
Key Words:	ASTM Grade 4: UNS R50700, CP titanium, C.P. titanium alloy
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Physical Properties	Metric	English	Comments

Density	4.51 g/cc	0.163 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	265	265
Hardness, Knoop	296	296	Estimated from Brinell.
Hardness, Rockwell B	104	104
Hardness, Rockwell C	23	23	Estimated from Brinell.
Hardness, Vickers	280	280	Estimated from Brinell.
Tensile Strength	310 MPa @Temperature 316 °C	45000 psi @Temperature 601 °F
Tensile Strength, Ultimate	660 MPa	95700 psi
Tensile Strength, Yield	590 MPa	85600 psi
Elongation at Break	20 %	20 %
Tensile Modulus	105 GPa	15200 ksi	Unspecified heat treatment
Modulus of Rigidity	38.6 GPa	5600 ksi
Compressive Modulus	110 GPa	16000 ksi	unspecified heat treatment
Notched Tensile Strength	900 MPa	131000 psi	K_t (stress concentration factor) = 3.0
Poissons Ratio	0.34	0.34
Shear Modulus	39.0 GPa	5660 ksi
Bend Radius, Minimum	3.0 t @Thickness >=1.80 mm	3.0 t @Thickness >=0.0709 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000600 ohm-cm	0.0000600 ohm-cm
	0.0000950 ohm-cm @Temperature 250 °C	0.0000950 ohm-cm @Temperature 482 °F
	0.000130 ohm-cm @Temperature 500 °C	0.000130 ohm-cm @Temperature 932 °F
	0.000155 ohm-cm @Temperature 750 °C	0.000155 ohm-cm @Temperature 1380 °F

Thermal Properties	Metric	English	Comments
Heat of Fusion	325 J/g	140 BTU/lb	High Purity Ti.
CTE, linear	8.60 µm/m-°C @Temperature 20.0 - 93.0 °C	4.78 µin/in-°F @Temperature 68.0 - 199 °F
	9.20 µm/m-°C @Temperature 200 °C	5.11 µin/in-°F @Temperature 392 °F
	19.9 µm/m-°C @Temperature 20.0 °C	11.1 µin/in-°F @Temperature 68.0 °F	perpendicular
Specific Heat Capacity	0.540 J/g-°C	0.129 BTU/lb-°F
	0.560 J/g-°C @Temperature 200 °C	0.134 BTU/lb-°F @Temperature 392 °F
	0.620 J/g-°C @Temperature 400 °C	0.148 BTU/lb-°F @Temperature 752 °F
	0.690 J/g-°C @Temperature 600 °C	0.165 BTU/lb-°F @Temperature 1110 °F
Thermal Conductivity	16.9 W/m-K	117 BTU-in/hr-ft²-°F
	16.8 W/m-K @Temperature 200 °C	117 BTU-in/hr-ft²-°F @Temperature 392 °F
	17.1 W/m-K @Temperature 400 °C	119 BTU-in/hr-ft²-°F @Temperature 752 °F
	18.8 W/m-K @Temperature 600 °C	130 BTU-in/hr-ft²-°F @Temperature 1110 °F
	20.2 W/m-K @Temperature 800 °C	140 BTU-in/hr-ft²-°F @Temperature 1470 °F
Melting Point	<= 1660 °C	<= 3020 °F
Liquidus	1660 °C	3020 °F
Beta Transus	950 °C	1740 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.30 @Temperature 710 °C	0.30 @Temperature 1310 °F	High purity Ti
Reflection Coefficient, Visible (0-1)	0.56	0.56	High purity Ti; visible light.

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.10 %	<= 0.10 %
Hydrogen, H	<= 0.015 %	<= 0.015 %
Iron, Fe	<= 0.50 %	<= 0.50 %
Nitrogen, N	<= 0.050 %	<= 0.050 %
Other, each	<= 0.050 %	<= 0.050 %
Other, total	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.40 %	<= 0.40 %
Titanium, Ti	99 %	99 %

References for this datasheet.

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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