Titanium Grade 1, Annealed

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Titanium Grade 1, 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:	UNS R50250; ASTM Grade 1, 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	120	120
Hardness, Knoop	132	132	Estimated from Brinell.
Hardness, Rockwell B	90	90
Hardness, Vickers	122	122	Estimated from Brinell.
Tensile Strength	152 MPa @Temperature 316 °C	22000 psi @Temperature 601 °F
Tensile Strength, Ultimate	330 MPa	47900 psi
Tensile Strength, Yield	240 MPa	34800 psi
Elongation at Break	30 %	30 %
Tensile Modulus	100 GPa	14500 ksi
Modulus of Rigidity	38.6 GPa	5600 ksi
Compressive Yield Strength	340 MPa	49300 psi
Poissons Ratio	0.34	0.34
Shear Modulus	38.0 GPa	5510 ksi
Charpy Impact	140 J	103 ft-lb	V-notch
Bend Radius, Minimum	2.0 t @Thickness >=1.80 mm	2.0 t @Thickness >=0.0709 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000450 ohm-cm	0.0000450 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	325 J/g	140 BTU/lb	High Purity Ti.
CTE, linear	8.35 µm/m-°C @Temperature 15.0 °C	4.64 µin/in-°F @Temperature 59.0 °F
	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	0.520 J/g-°C	0.124 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	16.0 W/m-K	111 BTU-in/hr-ft²-°F
Melting Point	<= 1670 °C	<= 3040 °F
Liquidus	1670 °C	3040 °F
Beta Transus	888 °C	1630 °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	<= 0.20 %	<= 0.20 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Other, total	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.18 %	<= 0.18 %
Titanium, Ti	99.5 %	99.5 %

References for this datasheet.

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