Titanium Grade 2, Annealed

Subcategory: Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium

Close Analogs: Titanium Grades 1,2,3,4,7,11,and 12 are all considered unalloyed and have similar mechanical properties.

Key Words: ASTM Grade 2; UNS R50400, CP titanium, C.P. titanium alloy

Component    Wt. % C Max 0.1   Fe Max 0.3   H Max 0.015   N Max 0.03   O Max 0.25   Ti 99.2

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.

Physical Properties	Metric	English	Comments
Density	4.51 g/cc	0.163 lb/in³
Mechanical Properties
Hardness, Rockwell B	98	98
Tensile Strength, Ultimate	430 MPa	62400 psi
Tensile Strength, Yield	340 MPa	49300 psi
Elongation at Break	28 %	28 %
Modulus of Elasticity	102 GPa	14800 ksi	in tension.
Compressive Yield Strength	340 MPa	49300 psi
Notched Tensile Strength	720 MPa	104000 psi	Kt (stress concentration factor) = 3.0
Ultimate Bearing Strength	930 MPa	135000 psi	e/D = 2
Bearing Yield Strength	660 MPa	95700 psi	e/D = 2
Poisson's Ratio	0.34	0.34
Charpy Impact	65 J	47.9 ft-lb	V-notch
Fatigue Strength	240 MPa	34800 psi	at 1E+7 cycles. Kt (stress concentration factor) = 2.7
Fatigue Strength	280 MPa	40600 psi	1E+7 cycles, Unnotched
Shear Modulus	38 GPa	5510 ksi
Shear Strength	380 MPa	55100 psi	Ultimate shear strength
Electrical Properties
Electrical Resistivity	5.2e-005 ohm-cm	5.2e-005 ohm-cm
Thermal Properties
Heat of Fusion	325 J/g	140 BTU/lb	High Purity Ti.
CTE, linear 20°C	8.6 µm/m-°C	4.78 µin/in-°F	20-93°C
CTE, linear 250°C	9.2 µm/m-°C	5.11 µin/in-°F	Unspecified heat treatment. Average over the range 0-315ºC
Specific Heat Capacity	0.523 J/g-°C	0.125 BTU/lb-°F
Thermal Conductivity	16.4 W/m-K	114 BTU-in/hr-ft²-°F
Melting Point	Max 1665 °C	Max 3030 °F	Liquidus
Liquidus	1665 °C	3030 °F
Beta Transus	913 °C	1680 °F
Optical Properties
Emissivity (0-1)	0.3	0.3	High purity Ti at 710°C
Reflection Coefficient, Visible (0-1)	0.56	0.56	High purity Ti; visible light.

References for this datasheet.