Titanium Grade 12

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Titanium Grade 12
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	Addition of 0.3% Mo and 0.8% Ni to titanium increases corrosion resistance at a lower cost than Pd (see Ti Grades 7 and 11). Higher strength than unalloyed Ti grades 1 - 4, yet still formable. Microstructure: Equiaxed alpha, with acicular alpha, primarily in welds or heat-affected zones, small amounts of beta. Applications: Chemical processing, in mildly reducing or variable oxidizing-reducing media - containers, heat exchangers, pumps, valves, pipes and fittings. Forms typically available: billet, bar, rod, plate, sheet, strip and tubing. Titanium Grades 1,2,3,4,7,11,and 12 are all considered unalloyed and have similar mechanical properties.
Key Words:	UNS R53400; ASTM Grade 12, 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

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	180 - 235	180 - 235
Hardness, Knoop	222	222	Estimated from Brinell.
Hardness, Rockwell C	11	11	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	209	209	Estimated from Brinell.
Tensile Strength	550 MPa	79800 psi	Weld strength in 13 mm plate
	325 MPa @Temperature 316 °C	47100 psi @Temperature 601 °F
	345 MPa @Temperature 240 °C	50000 psi @Temperature 464 °F
	510 MPa @Temperature 25.0 °C	74000 psi @Temperature 77.0 °F
Tensile Strength, Ultimate	450 MPa	65300 psi
Tensile Strength, Yield	380 MPa	55100 psi
	205 MPa @Temperature 316 °C	29700 psi @Temperature 601 °F	0.2% offset
	250 MPa @Temperature 240 °C	36300 psi @Temperature 464 °F	0.2% offset
	415 MPa @Temperature 25.0 °C	60200 psi @Temperature 77.0 °F	0.2% offset
Elongation at Break	12 %	12 %	Weld elongation in 13 mm plate
	32 % @Temperature 316 °C	32 % @Temperature 601 °F
	33 % @Temperature 25.0 °C	33 % @Temperature 77.0 °F
	37 % @Temperature 240 °C	37 % @Temperature 464 °F
Creep Strength	48.0 MPa @Temperature 315 °C, Time 1.80e+7 - 3.60e+7 sec	6960 psi @Temperature 599 °F, Time 5000 - 10000 hour	Creep strain rate 0.0000033 %/hour
	138 MPa @Temperature 315 °C, Time 1.80e+7 - 3.60e+7 sec	20000 psi @Temperature 599 °F, Time 5000 - 10000 hour	Creep strain rate 0.0000186 %/hour
	138 MPa @Temperature 25.0 °C, Time 1.80e+7 - 3.60e+7 sec	20000 psi @Temperature 77.0 °F, Time 5000 - 10000 hour	Creep strain rate 0 %/hour
	331 MPa @Temperature 25.0 °C, Time 1.80e+7 - 3.60e+7 sec	48000 psi @Temperature 77.0 °F, Time 5000 - 10000 hour	Creep strain rate 0.0000394 %/hour
Tensile Modulus	105 GPa	15200 ksi
Compressive Modulus	110 GPa	16000 ksi
Poissons Ratio	0.37	0.37
Fatigue Strength	160 MPa @# of Cycles 100000	23200 psi @# of Cycles 100000	Reverse bending, 1.3mm sheet, notched (K_t = 3.5)
	345 MPa @# of Cycles 1.00e+6	50000 psi @# of Cycles 1.00e+6	Reverse bending, 1.3mm sheet
Shear Modulus	45.0 GPa	6530 ksi
Charpy Impact	15.0 J	11.1 ft-lb

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000520 ohm-cm	0.0000520 ohm-cm

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
	9.50 µm/m-°C @Temperature 0.000 - 315 °C	5.28 µin/in-°F @Temperature 32.0 - 599 °F	average
Specific Heat Capacity	0.555 J/g-°C @Temperature 23.0 °C	0.133 BTU/lb-°F @Temperature 73.4 °F
	0.670 J/g-°C @Temperature 540 °C	0.160 BTU/lb-°F @Temperature 1000 °F
Thermal Conductivity	19.0 W/m-K	132 BTU-in/hr-ft²-°F	annealed
Melting Point	<= 1660 °C	<= 3020 °F
Liquidus	1660 °C	3020 °F
Maximum Service Temperature, Air	425 °C	797 °F	Continuous use
	540 °C	1000 °F	Intermittent Use
Beta Transus	890 °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	<= 0.080 %	<= 0.080 %
Hydrogen, H	<= 0.015 %	<= 0.015 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Molybdenum, Mo	0.20 - 0.40 %	0.20 - 0.40 %
Nickel, Ni	0.60 - 0.90 %	0.60 - 0.90 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Other, each	<= 0.050 %	<= 0.050 %
	<= 0.050 %	<= 0.050 %
Other, total	<= 0.30 %	<= 0.30 %
	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.25 %	<= 0.25 %
Titanium, Ti	97.725 - 99.2 %	97.725 - 99.2 %	As Balance; Elemental Composition per ASTM B265

References for this datasheet.

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