Titanium Grade 3

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Titanium Grade 3
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	Information provided by Allvac and the references. Characterized by: good fabrication properties and intermediate strength Applications: Airframe skin, heat exchangers, cryogenic vessels, components for CPI equipment, condenser tubing, exhaust pipe shrouds. 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 3; UNS R50550, CP titanium, C.P. titanium alloy
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	4.50 g/cc	0.163 lb/in³

Chemical Properties	Metric	English	Comments
Thermal Neutron Cross Section	5.6 barns/atom	5.6 barns/atom	Naturally occurring Ti

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	225	225	annealed
Hardness, Knoop	175	175	unwelded sample
	220	220	welded
Hardness, Rockwell B	90	90	annealed
Hardness, Rockwell C	16	16	Estimated from Brinell.
Tensile Strength	165 MPa @Temperature 538 °C	23900 psi @Temperature 1000 °F
	250 MPa @Temperature 316 °C	36300 psi @Temperature 601 °F
	440 MPa @Temperature 93.0 °C	63800 psi @Temperature 199 °F
	690 MPa @Temperature -54.0 °C	100000 psi @Temperature -65.2 °F
	1210 MPa @Temperature -253 °C	175000 psi @Temperature -423 °F
Tensile Strength, Ultimate	440 MPa	63800 psi
Tensile Strength, Yield	377 - 520 MPa	54700 - 75400 psi
	90.0 MPa @Temperature 538 °C	13100 psi @Temperature 1000 °F	0.2% offset
	140 MPa @Temperature 316 °C	20300 psi @Temperature 601 °F	0.2% offset
	340 MPa @Temperature 93.0 °C	49300 psi @Temperature 199 °F	0.2% offset
	450 MPa @Temperature 21.0 °C	65300 psi @Temperature 69.8 °F	0.2% offset
	510 MPa @Temperature -54.0 °C	74000 psi @Temperature -65.2 °F	0.2% offset
Elongation at Break	25 %	25 %
Reduction of Area	50 %	50 %
Tensile Modulus	107 GPa	15500 ksi
Compressive Yield Strength	450 MPa	65300 psi	0.2% offset
	140 MPa @Temperature 538 °C	20300 psi @Temperature 1000 °F
	200 MPa @Temperature 316 °C	29000 psi @Temperature 601 °F
	315 MPa @Temperature 93.0 °C	45700 psi @Temperature 199 °F
Compressive Modulus	107 GPa	15500 ksi
Ultimate Bearing Strength	1000 MPa	145000 psi	Cold Worked
	180 MPa @Temperature 538 °C	26100 psi @Temperature 1000 °F
	345 MPa @Temperature 316 °C	50000 psi @Temperature 601 °F
	580 MPa @Temperature 93.0 °C	84100 psi @Temperature 199 °F
	680 MPa @Temperature 21.0 °C	98600 psi @Temperature 69.8 °F
Bearing Yield Strength	900 MPa	131000 psi	Cold Worked
	145 MPa @Temperature 538 °C	21000 psi @Temperature 1000 °F	2% permanent set.
	240 MPa @Temperature 316 °C	34800 psi @Temperature 601 °F	2% permanent set.
	455 MPa @Temperature 93.0 °C	66000 psi @Temperature 199 °F	2% permanent set.
	565 MPa @Temperature 21.0 °C	81900 psi @Temperature 69.8 °F	2% permanent set.
Poissons Ratio	0.33	0.33
Fatigue Strength	240 MPa @# of Cycles 1.00e+7	34800 psi @# of Cycles 1.00e+7	R = -1
	289 MPa @# of Cycles 1.00e+6	41900 psi @# of Cycles 1.00e+6
	305 MPa @# of Cycles 1.00e+7	44200 psi @# of Cycles 1.00e+7	Cold rolled
	315 MPa @# of Cycles 1.00e+6	45700 psi @# of Cycles 1.00e+6	Cold rolled
	325 MPa @# of Cycles 100000	47100 psi @# of Cycles 100000	Cold rolled
	420 MPa @# of Cycles 10000	60900 psi @# of Cycles 10000	Cold rolled
Fracture Toughness	79.0 MPa-m½	71.9 ksi-in½	for K(Q) after anneal
Shear Modulus	41.0 GPa	5950 ksi
Shear Strength	110 MPa @Temperature 538 °C	16000 psi @Temperature 1000 °F
	195 MPa @Temperature 316 °C	28300 psi @Temperature 601 °F
	315 MPa @Temperature 93.0 °C	45700 psi @Temperature 199 °F
	380 MPa @Temperature 21.0 °C	55100 psi @Temperature 69.8 °F
Charpy Impact	30.0 - 66.0 J	22.1 - 48.7 ft-lb	V-notch; also reported as 40 J
	60.0 J @Temperature 0.000 °C	44.3 ft-lb @Temperature 32.0 °F	Notched
	70.0 J @Temperature 100 °C	51.6 ft-lb @Temperature 212 °F	Notched
	85.0 J @Temperature 200 °C	62.7 ft-lb @Temperature 392 °F	Notched
	95.0 J @Temperature 300 °C	70.1 ft-lb @Temperature 572 °F	Notched
Coefficient of Friction, Dynamic	0.68	0.68	Ti sliding on Ti; 300 m/min
	0.80	0.80	Ti sliding on Ti; 40 m/min

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000540 ohm-cm	0.0000540 ohm-cm
	0.0000900 ohm-cm @Temperature 250 °C	0.0000900 ohm-cm @Temperature 482 °F
	0.000120 ohm-cm @Temperature 500 °C	0.000120 ohm-cm @Temperature 932 °F
	0.000150 ohm-cm @Temperature 750 °C	0.000150 ohm-cm @Temperature 1380 °F
Magnetic Permeability	1.00005	1.00005	at 1.6 kA/m

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 0.000 - 100 °C	4.78 µin/in-°F @Temperature 32.0 - 212 °F
	9.20 µm/m-°C @Temperature 0.000 - 315 °C	5.11 µin/in-°F @Temperature 32.0 - 599 °F	average
	9.70 µm/m-°C @Temperature 0.000 - 540 °C	5.39 µin/in-°F @Temperature 32.0 - 1000 °F	perpendicular to the c-axis
Specific Heat Capacity	0.523 J/g-°C	0.125 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	19.9 W/m-K	138 BTU-in/hr-ft²-°F
	18.1 W/m-K @Temperature 200 °C	126 BTU-in/hr-ft²-°F @Temperature 392 °F
	18.1 W/m-K @Temperature 400 °C	126 BTU-in/hr-ft²-°F @Temperature 752 °F
	19.1 W/m-K @Temperature 600 °C	133 BTU-in/hr-ft²-°F @Temperature 1110 °F
	21.5 W/m-K @Temperature 800 °C	149 BTU-in/hr-ft²-°F @Temperature 1470 °F
Melting Point	<= 1660 °C	<= 3020 °F
Liquidus	1660 °C	3020 °F
Beta Transus	920 °C	1690 °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	<= 0.30 %	<= 0.30 %
Nitrogen, N	<= 0.050 %	<= 0.050 %
Other, total	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.35 %	<= 0.35 %
Titanium, Ti	>= 98.885 %	>= 98.885 %

Descriptive Properties
Crystal Structure	bcc		above 920°C
	cph		below 900°C

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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MTU030 / 14261

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