Titanium Gr 22

Commercially pure titanium alloys contain small amounts of oxygen and iron that influence mechanical properties. Each commercial grade is produced to provide properties suited for different applications.

Grade 2 Unalloyed Ti (“Pure”) 50A alloy is the most commonly used and widely available grade of unalloyed titanium. It is non-magnetic. This alloy has been approved for sour service use under the NACE MR-01-75 Standard.

Grade 2 is widely used because it combines excellent formability and moderate strength with superior corrosion resistance. This combination of properties makes CP Grade 2 titanium a candidate for a large variety of chemical and marine as well as aerospace and medical applications.

Titanium Grade 2 UNS R50400, Of the four commercially pure (C.P.) titanium grades, Grade 2 is typically used in applications that require superior corrosion resistance in various aggressive media. Corrosion resistance is similar between these four C.P. grades but mechanical properties vary along with varying oxygen and iron contents.

Typical applications for the “C.P.” grades include chemical process, petroleum refining, biomedical as well as heat exchangers in an array of different applications. Continuous service temperatures can reach up to 800°F with occasional, intermittent service at 1000°F.

Titanium’s C.P. grades corrosion resistance comes from a strongly adherent, stable, protective oxide film, which forms in the presence of oxygen. This film makes the commercially pure titanium grades resistant to most oxidizing, neutral and inhibited reducing as well as mildly reducing environments. Strong reducing media may cause heavy corrosion.

Request quote

Category: Titanium Tag: Titanium Gr 22

Description
Reviews (0)

Description

Titanium Grade 2 Composition

Titanium Gr 2	C	Ti	N	Fe	H	O	V	Al
Titanium Gr 2	0.1 max	99.2 min	0.03 max	0.3 max	0.015 max	0.25 max	–	–

Titanium Alloy Gr 2 Mechanical Properties

Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
4.5 g/cm3	1665 °C (3030 °F)	Psi – 39900 , MPa – 275	Psi – 49900 , MPa – 344	20 %

ASTM Grade (UNS No.)			GRADE 2 (R50400)
Chemical Composition (Max. values unless range is shown)		(wt. %)	0.08C; 0.03N; 0.25O; 0.30Fe; 0.015H

TENSILE PROPERTIES		Guar.R.T. Min.	Typical Elevated Temperature Properties
TENSILE PROPERTIES		Guar.R.T. Min.	93˚C (200˚F)	204˚C (400˚F)	315˚C (600˚F)
Ultimate Strength	MPa (ksi)	345 (50)	393 (57)	283 (41)	221 (32)
Yield Strength, 0.2% offset	MPa (ksi)	276 (40)	276 (40)	166 (24)	103 (15)
Elongation in 51 mm (2″) gage length	(%)	20	28	41	38
Reduction in Area – Bar, Billet & Forging only	(%)	30	40	55	75

OTHER MECHANICAL PROPERTIES
Stress to Rupture in Time Shown	Stress	MPa (ksi)	276 (40)	240 (35)	117 (17)
Time-Hrs. at Temp. (˚C)		10,000 (100)	10,000 (200)	1,000 (250)
Stress & Time to Produce Elongation Shown (creep)	Stress	MPa (ksi)	209 (30)	179 (26)	103 (15)
	Time-Hrs. at Temp. (˚C)		1,000 (25)	1,000 (150)	1,000 (250)
	Creep	(%)	1.0	1.0	1.0
Charpy V-Notch Impact @ R.T.	Joules (ft-lbs)		40 – 82 (30 – 60)
Bend Radius	Under 1.78 mm (0.070″) thick		2.0 x thickness
Bend Radius	1.78 mm (0.070″) and over		2.5 x Thickness
Welded Bend Radius			2.5-3.0 x Thickness 70 HRB
Nominal Hardness			70 HRB

PHYSICAL PROPERTIES
Nominal Beta Transus	°C (°F)	913 (1675)
Coefficient of Thermal Expansion 10-6/˚C (10-6/˚F)	0-100˚C (32 -212˚F)	8.6(4.8)
	0-315˚C (32-600˚F)	9.2(5.1)
	0-538˚C (32-1000˚F)	9.7(5.4)
	0-648˚C (32-1200˚F)	10.1(5.6)
	0-816˚C (32-1500˚F)	10.1(5.6)
Density	g/cm3 (lbs/in3)	4.51(0.163)
Melting Point, Approx.	°C (°F)	1660 (3020)
Electrical Resistivity @ R.T.	10-6 ohm•cm (10-6 ohm•in)	56 (22)
Modulus of Elasticity – Tension	GPa (103 ksi)	103 (15)
Modulus of Elasticity – Torsion	GPa (103 ksi)	41 (6.0)
Thermal Conductivity	W/m•˚C (BTU/hr•ft•˚F)	20.8 (12.0)
Specific Heat	J/Kg•˚C (BTU/lb•˚F)	520 (0.124)
Weldability		Excellent
Industry Specifications		ASTM – B265, B337, B338, B348, B363, B381,B861, B862, F67 and AMS 4902

Titanium Grade 2 Melting Point

Melting point	1670°C, 3038°F, 1943 K
Boiling point	3287°C, 5949°F, 3560 K
Density (g cm−3)	4.506

Titanium Grade 2 Equivalent

STANDARD	UNS	WERKSTOFF NR.
Titanium Gr 2	R50400	3.7035

The high strength, low weight ratio and outstanding corrosion resistance inherent to titanium grade 2 and its alloys has led to a wide and diversified range of successful applications which demand high levels of reliable performance in surgery and medicine as well as in aerospace, automotive, chemical plant, power generation, oil and gas extraction, sports, and other major industries. In the majority of these and other engineering applications UNS R50400 Titanium Gr. 2 has replaced heavier, less serviceable or less cost-effective materials. Designing with titanium taking all factors into account has resulted in reliable, economic and more durable systems and components, which in many situations have substantially exceeded performance and service life expectations. Titanium is available in different grades, unalloyed or alloyed.
Applications of Werkstoff Number 3.7035 Ti. Grade 2 are in vivid industries like for Orthopaedic applications like surgical implants and prosthesis, Airframe and aircraft engine parts, Marine chemical parts, Condenser tubing, Heat exchangers and so on. In the medical industry this is a very significant material. Biocompatibility of this is amazing, especially when it directly comes in contact with tissue or bone in human body. At FASTWELL, Titanium Grade 2 parts are manufactured in the EBM process and they feature good machinability and can be machined as stock parts.
There are certain factors which contribute to efficient machining of Ti parts and they are

Low cutting speeds
High feed rate
Generous quantities of cutting fluid
Sharp tools
Rigid setup.

It may be welded by a wide variety of conventional fusion and solid-state processes, although its chemical reactivity typically requires special procedures.