Small Diameter Gr2 Titanium Tubing

Small Diameter GR2 Titanium Tubing refers to titanium tubes manufactured from Grade 2 Titanium (UNS R50400) with a relatively small outside diameter, typically used in applications requiring high corrosion resistance, lightweight performance, and precise dimensions.

Manufactured according to standards such as ASTM B338, ASTM B861, or ASTM B862, small diameter GR2 titanium tubing offers an excellent balance of strength, ductility, weldability, and corrosion resistance. It is widely used in heat exchangers, condensers, medical equipment, instrumentation systems, chemical processing, and aerospace applications.

 

1. good corrosion resistance: Gr2 titanium straight tubes have excellent corrosion resistance in a wide range of environments including acids, alkalis, and salt water.
2. high strength: although Gr2 small diameter titanium tubing is not as strong as other titanium alloys, it still has good strength.
3. good plasticity: Gr2 titanium alloy can deform plastically when cooled rapidly at room temperature.
4. good toughness: compared with many other materials, Gr2 titanium alloy has very good toughness.

 

High-quality Gr2 small diameter titanium tubes that stand the test of time

ASTM B338 – Seamless & welded titanium & titanium alloy tubes for condensers & heat exchangers

Element	Titanium	Nitrogen	Carbon	Hydrogen	Iron	Oxygen	Residuals (each)	Residuals (total)
%	Balance	0.03 max	0.08 max	0.015 max	0.30 max	0.25 max	0.1 max	0.4 max

 

(ASTM B338 – Seamless & welded titanium & titanium alloy tubes for condensers & heat exchangers)

	0.2% Proof Stress	Tensile Strength	Elongation
	MPa	MPa	%
Annealed	275-450	345	20

Gr2 small diameter titanium tubing is one of the most widely used titanium alloys in the aerospace field, commonly used in spacecraft outer skin, engine components, aircraft graphene, and so on. Titanium materials are characterized by high temperature resistance, corrosion resistance, and high strength, and Gr2 titanium alloy tubing has excellent properties in these areas.

 

Standard System	Equivalent Grade / Designation
ASTM / UNS	Grade 2 / UNS R50400
EN	Titanium Grade 2 / Werkstoff No. 3.7035
DIN	Ti Grade 2 / W.Nr. 3.7035
ISO	Grade 2 Titanium
JIS	TP340C
GB/T (China)	TA2

 

Feature	GR1 Titanium Tube	GR2 Titanium Tube
Material Type	Commercially Pure Titanium	Commercially Pure Titanium
Strength	Lower	Higher
Ductility	Excellent	Very Good
Corrosion Resistance	Excellent	Excellent
Formability	Better	Good
Weldability	Excellent	Excellent
Cost	Slightly Higher	More Economical
Typical Applications	Precision tubing, chemical equipment	Heat exchangers, condensers, marine systems

Choose GR1 when maximum formability and ductility are required. Choose GR2 for most industrial applications requiring a balance of strength, corrosion resistance, and cost.

 

 

GNEE is a manufacturer specialising in the research, development, production, sales and service of titanium products such as titanium tubes, titanium rods, titanium sheets, titanium wires and titanium strips. Our company is located in Henan Province with convenient traffic. Our factory has been engaged in foreign markets for more than 16 years and has rich production experience. Our main markets are Dubai, Indonesia, Singapore, Vietnam, Malaysia, Philippines, Chile, Mexico, Israel, Spain and so on.
 

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