Titanium Grade 4

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Titanium Grade 4
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	Information provided by Allvac and the references. Characteristics: Intermediate strength, good weldability, suitable for cold forming and hot forming Applications: Airframe components, cryogenic vessels, heat exchangers, CPI equipment, condenser tubing, pickling baskets, fire walls, shrouds and tail pipes for jet engines. 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
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	4.51 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	265	265	annealed
Hardness, Knoop	215	215	unwelded sheet
Hardness, Rockwell B	23	23	unwelded sheet
	100	100	annealed
Hardness, Rockwell C	23	23	Estimated from Brinell.
Hardness, Vickers	280	280	Estimated from Brinell.
Tensile Strength	185 MPa @Temperature 538 °C	26800 psi @Temperature 1000 °F
	220 MPa @Temperature 427 °C	31900 psi @Temperature 801 °F
	275 MPa @Temperature 316 °C	39900 psi @Temperature 601 °F
	345 MPa @Temperature 204 °C	50000 psi @Temperature 399 °F
	495 MPa @Temperature 93.0 °C	71800 psi @Temperature 199 °F
	630 MPa @Temperature 21.0 °C	91400 psi @Temperature 69.8 °F
	760 MPa @Temperature -54.0 °C	110000 psi @Temperature -65.2 °F
	1205 MPa @Temperature -196 °C	174800 psi @Temperature -321 °F
	1275 MPa @Temperature -253 °C	184900 psi @Temperature -423 °F
Tensile Strength, Yield	480 - 655 MPa	69600 - 95000 psi
	110 MPa @Temperature 538 °C	16000 psi @Temperature 1000 °F	0.2% offset
	145 MPa @Temperature 427 °C	21000 psi @Temperature 801 °F	0.2% offset
	165 MPa @Temperature 316 °C	23900 psi @Temperature 601 °F	0.2% offset
	250 MPa @Temperature 204 °C	36300 psi @Temperature 399 °F	0.2% offset
	415 MPa @Temperature 93.0 °C	60200 psi @Temperature 199 °F	0.2% offset
	550 MPa @Temperature 21.0 °C	79800 psi @Temperature 69.8 °F	0.2% offset
	580 MPa @Temperature -54.0 °C	84100 psi @Temperature -65.2 °F	0.2% offset
Elongation at Break	15 %	15 %	in 50 mm
	20 %	20 %
Reduction of Area	40 %	40 %
Tensile Modulus	105 GPa	15200 ksi
	70.0 GPa @Temperature 500 °C	10200 ksi @Temperature 932 °F
	78.0 GPa @Temperature 400 °C	11300 ksi @Temperature 752 °F
	87.0 GPa @Temperature 300 °C	12600 ksi @Temperature 572 °F
	95.0 GPa @Temperature 200 °C	13800 ksi @Temperature 392 °F
	102 GPa @Temperature 100 °C	14800 ksi @Temperature 212 °F
Compressive Yield Strength	165 MPa @Temperature 538 °C	23900 psi @Temperature 1000 °F
	220 MPa @Temperature 427 °C	31900 psi @Temperature 801 °F
	240 MPa @Temperature 316 °C	34800 psi @Temperature 601 °F
	250 MPa @Temperature 204 °C	36300 psi @Temperature 399 °F
	385 MPa @Temperature 93.0 °C	55800 psi @Temperature 199 °F
	550 MPa @Temperature 21.0 °C	79800 psi @Temperature 69.8 °F
Compressive Modulus	110 GPa	16000 ksi
Ultimate Bearing Strength	215 MPa @Temperature 538 °C	31200 psi @Temperature 1000 °F
	345 MPa @Temperature 427 °C	50000 psi @Temperature 801 °F
	415 MPa @Temperature 316 °C	60200 psi @Temperature 601 °F
	530 MPa @Temperature 204 °C	76900 psi @Temperature 399 °F
	700 MPa @Temperature 93.0 °C	102000 psi @Temperature 199 °F
	830 MPa @Temperature 21.0 °C	120000 psi @Temperature 69.8 °F
Bearing Yield Strength	170 MPa @Temperature 538 °C	24700 psi @Temperature 1000 °F	2% permanent set.
	270 MPa @Temperature 427 °C	39200 psi @Temperature 801 °F	2% permanent set.
	295 MPa @Temperature 316 °C	42800 psi @Temperature 601 °F	2% permanent set.
	390 MPa @Temperature 204 °C	56600 psi @Temperature 399 °F	2% permanent set.
	560 MPa @Temperature 93.0 °C	81200 psi @Temperature 199 °F	2% permanent set.
	695 MPa @Temperature 21.0 °C	101000 psi @Temperature 69.8 °F	2% permanent set.
Poissons Ratio	0.37	0.37
Fatigue Strength	220 MPa @# of Cycles 100000 , Temperature 315 °C	31900 psi @# of Cycles 100000 , Temperature 599 °F
	220 MPa @# of Cycles 1.00e+7 , Temperature 315 °C	31900 psi @# of Cycles 1.00e+7 , Temperature 599 °F
	350 MPa @# of Cycles 1.00e+7 , Temperature 20.0 °C	50800 psi @# of Cycles 1.00e+7 , Temperature 68.0 °F
	400 MPa @# of Cycles 100000 , Temperature 20.0 °C	58000 psi @# of Cycles 100000 , Temperature 68.0 °F
	430 MPa @# of Cycles 1.00e+7 , Temperature -40.0 °C	62400 psi @# of Cycles 1.00e+7 , Temperature -40.0 °F
	510 MPa @# of Cycles 100000 , Temperature -40.0 °C	74000 psi @# of Cycles 100000 , Temperature -40.0 °F
	250 MPa @# of Cycles 1.00e+7	36300 psi @# of Cycles 1.00e+7	K_t (stress concentration factor) = 2.7
	290 MPa @# of Cycles 100000	42100 psi @# of Cycles 100000	K_t (stress concentration factor) = 2.7
	425 MPa @# of Cycles 1.00e+7	61600 psi @# of Cycles 1.00e+7	unnotched
	517 MPa @# of Cycles 100000	75000 psi @# of Cycles 100000	Unnotched
Fracture Toughness	99.0 - 140 MPa-m½	90.1 - 127 ksi-in½	for K(Q) annealed
Shear Modulus	40.0 GPa	5800 ksi
	24.0 GPa @Temperature 500 °C	3480 ksi @Temperature 932 °F
	28.0 GPa @Temperature 400 °C	4060 ksi @Temperature 752 °F
	30.0 GPa @Temperature 300 °C	4350 ksi @Temperature 572 °F
	31.0 GPa @Temperature 200 °C	4500 ksi @Temperature 392 °F
	34.0 GPa @Temperature 100 °C	4930 ksi @Temperature 212 °F
	36.0 GPa @Temperature 23.0 °C	5220 ksi @Temperature 73.4 °F
Shear Strength	140 MPa @Temperature 538 °C	20300 psi @Temperature 1000 °F
	185 MPa @Temperature 427 °C	26800 psi @Temperature 801 °F
	220 MPa @Temperature 316 °C	31900 psi @Temperature 601 °F
	290 MPa @Temperature 204 °C	42100 psi @Temperature 399 °F
	380 MPa @Temperature 93.0 °C	55100 psi @Temperature 199 °F
	450 MPa @Temperature 21.0 °C	65300 psi @Temperature 69.8 °F
Charpy Impact	20.0 J @Temperature 0.000 °C	14.8 ft-lb @Temperature 32.0 °F	Notched
	35.0 J @Temperature 100 °C	25.8 ft-lb @Temperature 212 °F	Notched
	55.0 J @Temperature 200 °C	40.6 ft-lb @Temperature 392 °F	Notched
	75.0 J @Temperature 300 °C	55.3 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	0.0000600 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
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	0.530 J/g-°C	0.127 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	17.2 W/m-K	119 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	>= 98.635 %	>= 98.635 %

Descriptive Properties
Crystal Structure	bcc		above 950°C
	cph		below 905°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.

Users viewing this material also viewed the following:
Titanium Grade 2
Titanium Grade 3
Titanium Grade 1
Titanium Ti-3Al-2.5V (Grade 9), ST 925°C, Aged 480°C (900°F)
Titanium Grade 7

MTU040 / 14263

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message