Gr2 Titanium Round Pipes

Gr2 Titanium Round Pipe is a round pipe manufactured from Grade 2 commercially pure titanium (UNS R50400). It is the most widely used titanium pipe grade due to its excellent combination of corrosion resistance, moderate strength, lightweight properties, and outstanding weldability. Grade 2 titanium pipes are commonly supplied in seamless or welded forms and are widely used in industries where long-term corrosion resistance is essential.

 

Outstanding Corrosion Resistance

Gr2 Titanium Round Pipes offer excellent resistance to seawater, chlorides, acids, and other corrosive media. Their superior corrosion performance ensures a longer service life in demanding industrial environments.

 

Lower Life Cycle Cost

Although the initial investment is higher, the long service life and reduced replacement frequency result in a lower total cost of ownership compared with many conventional metals.

 

Reduced Maintenance

The naturally formed titanium oxide layer protects the pipe from corrosion without additional coatings. This minimizes maintenance, repairs, and unplanned downtime.

 

High Reliability

With excellent corrosion resistance and stable mechanical properties, Gr2 Titanium Round Pipes provide reliable performance in heat exchangers, chemical processing, marine, and power generation applications.

 

Increased Operational Efficiency

Long service life and fewer maintenance shutdowns improve equipment availability, helping industrial facilities achieve higher productivity and lower operating costs.

 

Industry-leading titanium production technology

Primary Standards by Pipe Type:

Pipe Type	ASTM Standard	ASME Standard	Common Sizes	Notes
Seamless Pipe	ASTM B861	ASME SB-861	6-114 mm OD (¼"-4½")	Most common for pressure applications
Welded Pipe	ASTM B862	ASME SB-862	15-610 mm OD (½"-24")	Economical for larger diameters
Seamless Tube (Smaller)	ASTM B337	ASME SB-337	3-50 mm OD (⅛"-2")	Often called "tube" but used as pipe
Heat Exchanger Tubes	ASTM B338	ASME SB-338	12-38 mm OD (½"-1½")	For shell-and-tube exchangers

 

Element	Maximum %	Typical %	Effect on Pipe Properties
Oxygen (O)	0.25	0.18-0.22	Primary strength control
Iron (Fe)	0.30	0.15-0.20	Secondary strengthening
Carbon (C)	0.08	0.03-0.05	Affects weldability
Nitrogen (N)	0.03	0.01-0.02	Must be minimized
Hydrogen (H)	0.015	0.002-0.008	Critical - causes embrittlement
Titanium (Ti)	Balance	99.2+	Base element

 

Grade 2 Titanium (UNS R50400) is the most widely used commercially pure titanium grade due to its excellent balance of strength, corrosion resistance, and lightweight performance. Its physical properties make it an ideal material for heat exchangers, marine engineering, chemical processing, and oil & gas applications.

Property	Value	Unit
Material Grade	Grade 2 Titanium (UNS R50400)	-
Density	4.51	g/cm³
Melting Range	1,660–1,668	°C
Modulus of Elasticity	103	GPa
Poisson's Ratio	0.34	-
Thermal Conductivity (20°C)	16.4	W/m·K
Electrical Resistivity (20°C)	0.56	μΩ·m
Specific Heat Capacity	0.52	kJ/kg·K
Coefficient of Thermal Expansion (20–100°C)	8.6 × 10⁻⁶	/°C
Magnetic Property	Non-Magnetic	-

 

Our facility is a fully integrated titanium manufacturing base. From sponge titanium melting (EB/Vacuum Arc Remelting furnaces), heavy forging (10,000-ton presses), precision rolling (hot/cold rolling lines) to deep processing (5-axis CNC machining, laser cutting, automated welding), we achieve vertical integration from raw materials to high-precision finished products. The factory is equipped with spectrometers, ultrasonic flaw detectors, and fatigue testing machines to ensure every batch complies with ASTM, ASME, and aerospace (AMS) standards. We specialize in handling high-complexity orders, offering a full range of material solutions from GR1 pure titanium to Ti-6Al-4V (GR5) and corrosion-resistant titanium-palladium alloys (GR7).

 

 

GNEE is a manufacturer specializing in the research, development, production, sales and service of titanium sheets, tubes, rods and coils. Our company is located in Henan Province with convenient transportation. Our factory has been engaged in the domestic market for more than 15 years, and we have rich production experience.In 2015, we opened the foreign market. Our company integrates processing and operation. The main markets of our company: Dubai, Indonesia, Russia, Singapore, Vietnam, Malaysia, Philippines, Chile, Mexico, Israel, Spain, etc.

Titanium products export experienced team

 

1. What is a Gr2 Titanium Round Pipe?

A Gr2 Titanium Round Pipe is a round pipe manufactured from Grade 2 commercially pure titanium (UNS R50400). It offers an excellent combination of corrosion resistance, moderate strength, lightweight properties, and weldability, making it one of the most widely used titanium pipe products for industrial applications.

 

2. What is the difference between Grade 2 and Grade 1 Titanium?

Both are commercially pure titanium grades with excellent corrosion resistance. Grade 2 provides higher tensile and yield strength, making it suitable for pressure piping, heat exchangers, and marine applications, while Grade 1 offers better ductility and formability for applications requiring extensive cold working.

 

3. What standards are available for Gr2 Titanium Round Pipes?

Our Grade 2 Titanium Round Pipes can be manufactured according to:

ASTM B861

ASTM B338

ASME SB861

ASME SB338

ASTM B337 (upon request)

Custom production according to customer specifications is also available.

 

4. What sizes can you supply?

Our standard production range includes:

Outside Diameter (OD): 6 mm – 219 mm

Wall Thickness (WT): 0.5 mm – 20 mm

Length: Up to 12,000 mm

Custom dimensions and cut-to-length services are available.

 

5. Do you offer seamless and welded titanium pipes?

Yes. We supply both seamless and welded Grade 2 Titanium Round Pipes. Seamless pipes are recommended for high-pressure and critical applications, while welded pipes provide an economical solution for general industrial use.

 

6. What surface finishes are available?

We offer several surface finish options, including:

Pickled

Bright Annealed (BA)

Polished

Sand Blasted (Optional)

Custom surface treatments are available according to customer requirements.

 

7. What inspections are performed before shipment?

Every batch of titanium pipes can undergo comprehensive inspections, including:

Positive Material Identification (PMI)

Chemical Composition Analysis

Mechanical Property Testing

Ultrasonic Testing (UT)

Eddy Current Testing (ECT)

Hydrostatic Testing (When Required)

Dimensional Inspection

Visual Surface Inspection

Third-party inspections by SGS, BV, TUV, or customer-designated agencies are available.

 

8. Can you provide EN 10204 3.1 Mill Test Certificates?

Yes. We provide EN 10204 3.1 Mill Test Certificates (MTC) with every shipment. Additional documentation, including inspection reports and third-party certificates, can also be supplied upon request.

 

9. What are the typical applications of Gr2 Titanium Round Pipes?

Grade 2 Titanium Round Pipes are widely used in:

Heat Exchangers & Condensers

Chemical Processing Equipment

Marine & Offshore Engineering

Oil & Gas Industry

Desalination Plants

Power Generation

Pressure Piping Systems

Aerospace Components

 

10. Can you manufacture custom Gr2 Titanium Round Pipes?

Yes. We offer complete OEM and custom manufacturing services, including:

Custom outside diameters and wall thicknesses

Fixed or random lengths

Precision machining

Special surface finishes

Custom packaging and marking

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