Gr2 Titanium Seamless Square Tubing

Gr2 titanium square tubes have light weight, high strength, and superior mechanical properties, and are widely used in heat exchange equipment, such as tube heat exchangers, coil heat exchangers, serpentine tube heat exchangers, condensers, evaporators, and conveying pipelines, etc. Gr2 rectangular titanium alloy tubes have good mechanical and processing properties, high tensile strength, yield strength, and elongation, and are able to maintain a stable high and low temperature environment. Performance.

 

Top quality Gr2 seamless titanium tubes

In addition, Gr2 metal titanium tubes have excellent corrosion resistance, able to resist a variety of chemical corrosion media, such as acids, alkalis, salts and so on. In the aerospace field, Gr2 titanium tubes are widely used in the manufacturing process of aircraft, rockets and other flying machines due to their high strength and good corrosion resistance. In addition, Gr2 Titanium Square Tube also plays an important role in the fields of chemical industry and ocean engineering, such as for the manufacture of corrosion-resistant equipment, pipelines and tanks.

 

Item	Specification
Product Name	Gr2 Titanium Seamless Square Tubing
Material Grade	Titanium Grade 2 (UNS R50400)
Material Type	Commercially Pure Titanium (CP Titanium)
Manufacturing Process	Seamless, Cold Drawn
Standards	ASTM B861, ASTM B338, ASME SB861, ASTM B337 (Custom Available)
Outer Size	10 × 10 mm – 150 × 150 mm
Wall Thickness	0.5 mm – 10.0 mm
Length	500 mm – 6,000 mm (Custom Length Available)
Corner Type	Sharp Corner / Rounded Corner
Surface Finish	Pickled, Bright Annealed (BA), Polished
Tolerance	According to ASTM Standard or Customer Drawing
Condition	Annealed (M)
Density	4.51 g/cm³
Inspection	PMI, Chemical Analysis, Mechanical Testing, UT, Eddy Current Testing, Dimensional Inspection
Certificate	EN 10204 3.1 MTC, SGS, BV, TUV (Optional)
Packaging	Plastic Sleeves, Wooden Cases, Export Standard Packing
Customization	Custom Sizes, Wall Thicknesses, Lengths, Surface Finishes, and OEM Service Available

 

Standard	Equivalent Grade / Designation
ASTM / ASME	Grade 2 Titanium
UNS	R50400
ISO	ISO 5832-2 Grade 2
DIN / W.Nr.	3.7035
EN	Ti2
JIS (Japan)	Class 2 Titanium
GB (China)	TA2

 

Material Overview

Property	Description
Material Type	Commercially Pure Titanium (CP Titanium)
UNS Number	R50400
Common Name	Titanium Grade 2 / Gr2 Titanium
Density	4.51 g/cm³
Corrosion Resistance	Excellent
Weldability	Excellent
Formability	Excellent
Typical Product Forms	Square Tubes, Round Tubes, Pipes, Bars, Plates, Sheets, Wire

 

Bellows

aircraft structural honeycomb

gaskets

aircraft skin

heat exchanger parts

implantable battery cases/shields for CRM and Neurostimulation devices

implantable battery cathodes/connectors

stamped or etched fabrications

 

When selecting structural tubing for chemical processing, marine engineering, offshore platforms, and industrial fabrication, Gr2 Titanium Seamless Square Tubing is often compared with 304L, 316L, and Duplex 2205 stainless steel. While stainless steel has a lower initial purchase cost, Grade 2 titanium provides superior corrosion resistance, lower weight, and a significantly longer service life in aggressive environments.

Property	Gr2 Titanium Seamless Square Tubing	316L Stainless Steel	Duplex 2205 Stainless Steel
Material Grade	Grade 2 (UNS R50400)	UNS S31603	UNS S32205
Density	4.51 g/cm³	7.99 g/cm³	7.80 g/cm³
Weight	Very Light	Heavy	Heavy
Corrosion Resistance	Excellent	Good	Very Good
Seawater Resistance	Excellent	Moderate	Good
Chloride SCC Resistance	Excellent	Fair	Very Good
Pitting & Crevice Corrosion	Excellent	Good	Very Good
Strength-to-Weight Ratio	Excellent	Moderate	High
Weldability	Excellent	Excellent	Good
Service Life	30+ Years*	10–20 Years*	20–30 Years*
Maintenance Cost	Low	Medium	Medium
Typical Applications	Marine, Chemical, Offshore, Aerospace	Food Processing, Chemical Equipment	Offshore, Oil & Gas, Pressure Equipment

When to Choose Stainless Steel：

The application is in a mild, non-corrosive environment

Initial material cost is the primary consideration

High corrosion resistance is not the critical design factor

 

When to Choose Gr2 Titanium Seamless Square Tubing：

Marine & Offshore Structures

Chemical Processing Equipment

Desalination Plants

Heat Exchanger Frames

Oil & Gas Facilities

Aerospace Structures

High-Corrosion Industrial Environments

 

Equipment	Function
Vacuum Arc Remelting (VAR) Furnace	Produces high-purity titanium ingots with uniform chemical composition.
Hydraulic Forging Press	Forms titanium billets with improved grain structure and mechanical properties.
Hot Extrusion Line	Manufactures seamless titanium tubes and pipes with excellent structural integrity.
Cold Pilger Mill	Reduces tube diameter and wall thickness while improving dimensional accuracy.
Cold Drawing Machine	Produces precision titanium tubes with tight tolerances and smooth surfaces.
Vacuum Annealing Furnace	Relieves internal stress and optimizes mechanical properties in a controlled atmosphere.
Straightening Machine	Ensures excellent straightness before inspection and packaging.
Automatic Cutting Machine	Provides accurate cut-to-length processing with clean pipe ends.
Polishing & Pickling Line	Improves surface finish and removes oxide layers for enhanced corrosion resistance.
CNC Machining Center	Performs precision machining for custom titanium components and special dimensions.
Ultrasonic Testing (UT) Equipment	Detects internal defects and ensures structural integrity.
Eddy Current Testing (ECT) System	Identifies surface and near-surface defects in titanium tubes.
Universal Testing Machine	Performs tensile, yield strength, and elongation testing.
Optical Emission Spectrometer (OES)	Verifies chemical composition of raw materials and finished products.
Coordinate Measuring Machine (CMM)	Measures critical dimensions with high precision.

 

Packing:
Excellent package: Anti-water paper and plastic film+covered by iron sheet + strapped with a minimum of three strapping strips+fixed on the iron or wooden pallets by strapping strips. lt can effectively protect products from corrosion andvarious climate changes during ocean transportation.
Shipping:
Generally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have long-term cooperation with many ex-perienced shipping companies and will find the most suitable mode of transportation for you.

 

 

 

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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