Gr2 Titanium Tubes For Heat Exchanger

Gr2 titanium tubes are resistant to a wide range of corrosive media, including chloride solutions, acidic environments, etc. They are particularly suitable for heat exchange of corrosive fluids such as seawater, saline water or industrial wastewater, which significantly extends the life of the equipment.

 

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

 

 

1. efficient heat exchange: although the thermal conductivity of titanium is relatively low, but through the optimization of the design (thinning wall thickness, increase the heat transfer area, etc.) and advanced manufacturing process, Gr2 titanium tubes can still achieve high heat transfer efficiency.
2. Light weight and high strength: Compared with traditional materials such as stainless steel, titanium alloy has a higher strength-to-weight ratio, which helps to reduce the overall weight of the heat exchanger and facilitates installation and maintenance.
3. Economy: Despite the higher initial investment cost, titanium alloys are economical in the long run due to their excellent corrosion resistance and long service life, which reduces maintenance and replacement costs.

 

Property	Gr2 Titanium	316L Stainless Steel	Duplex 2205	Copper-Nickel (C70600)
Material Grade	UNS R50400	UNS S31603	UNS S32205	UNS C70600
Density	4.51 g/cm³	7.99 g/cm³	7.80 g/cm³	8.94 g/cm³
Weight	Very Light	Heavy	Heavy	Very Heavy
Corrosion Resistance	Excellent	Good	Very Good	Good
Seawater Resistance	Excellent	Moderate	Very Good	Excellent
Chloride SCC Resistance	Excellent	Fair	Excellent	Excellent
Pitting Resistance	Excellent	Good	Excellent	Good
Strength-to-Weight Ratio	Excellent	Moderate	High	Moderate
Thermal Conductivity	Good	Moderate	Moderate	Excellent
Service Life	30+ Years*	10–20 Years*	20–30 Years*	20–30 Years*
Maintenance	Low	Medium	Medium	Medium
Initial Material Cost	High	Low	Medium	Medium

 

Optimized for samples and small-batch orders with multiple specifications. Each product is individually packed in zipper-sealed anti-static bags, accompanied by product labels and quality inspection cards. Multiple product bags are then consolidated into portable plastic storage bins with handles or high-strength handled cartons, with clear internal compartments for easy customer use and archiving upon receipt. Ideal for expedited air freight, trade show samples, and laboratory procurement.

 

 

GNEE was established in 2008 with 16 years of manufacturing and sales experience. With many years of production experience and independent production factories, we can provide you with customized products. Meanwhile, we cooperate with many famous factories, which can provide you with large quantities of high quality metal. We have up to 200 employees and will continue to grow in the future. All of them are committed to providing you with better products and services. We are committed to providing you with the best products and services, and we will provide you with more favorable pricing and safe and fast transportation solutions. GENN is trustworthy. We look forward to working with you.
 

1. What is ASTM B338 Grade 2 titanium tube?

ASTM B338 Grade 2 Titanium Tube is a commercially pure titanium tube (UNS R50400) widely used in heat exchangers, condensers, seawater cooling systems, and chemical processing equipment due to its excellent corrosion resistance and weldability.

 

2. Is your ASTM B338 Grade 2 titanium tube original material?

Yes. All ASTM B338 Grade 2 titanium tubes are manufactured from 100% certified titanium raw materials.

100% virgin titanium sponge or billet
Fully traceable heat number
EN 10204 3.1 Mill Test Certificate (MTC)
Third-party inspection available upon request

We do not use recycled or mixed materials for heat exchanger grade tubes.

 

3. What payment terms do you accept?

Payment Method	Terms
T/T (Bank Transfer)	30% deposit, 70% before shipment
L/C at Sight	Accepted for large EPC projects
Trade Assurance	Available for selected markets
Negotiation	For long-term cooperation clients

 

4. What is your production and stock lead time?

Order Type	Lead Time
Standard stock sizes	3–7 days
Regular production order	2–4 weeks
OEM/custom sizes	3–6 weeks
Large EPC project orders	Based on project schedule

 

5. Do you keep ASTM B338 Grade 2 titanium tubes in stock?

Yes, we maintain regular stock for common heat exchanger sizes, including:

OD 19.05 mm / 25.4 mm / 15.88 mm

Standard wall thickness (0.8–1.2 mm)

Straight tube lengths for fast delivery

Stock availability changes daily, so we recommend confirming before ordering.

 

6. What is the shipping method and how long does delivery take?

Shipping Method	Estimated Time	Application
Sea Freight	20–40 days	Bulk EPC orders (most common)
Air Freight	5–10 days	Urgent small orders
Express Courier	3–7 days	Samples and documents

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