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ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
Specifications
Brand Name :
TORICH
Model Number :
ASME SB861
Certification :
ISO 9001,ISO 14001
Place of Origin :
CHINA
MOQ :
1 ton
Price :
negotiable
Payment Terms :
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :
20000 Ton/year
Delivery Time :
30-45days
Packaging Details :
In bundles with seaworthy packing
Material :
Commercially pure titanium / titanium alloy
Main Grade :
ASTM B861 Grade 2 / UNS R50400
Optional Grades :
Gr.1, Gr.7, Gr.9, Gr.12
Outside Diameter :
5–168 mm
Wall Thickness :
0.2–5.2 mm
Length :
1–12 m standard, up to 15 m max, custom cut length available
Tolerance Range :
OD and WT according to ASTM B861 / ASTM B338 or agreed drawing tolerance
Heat Treatment :
Annealed; Grade 9 may be supplied annealed or cold-worked and stress-relieved according to order condition
Description
ASTM B861 Gr2 Titanium Seamless Alloy Steel Tube For Heat-Exchanger
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
Product Overview

ASTM B861 Gr.2 seamless titanium tube is a commercially pure titanium product, not an alloy steel tube. It is selected for heat-exchanger systems where seawater, chlorides, wet chlorine compounds, and many oxidizing media create high corrosion risk. ASTM B861 covers seamless titanium and titanium alloy pipe for general corrosion-resisting and elevated-temperature service, while ASTM B338 is the closer tube standard for condensers, evaporators, and heat exchangers.

Specifications
Item Description
Material Commercially pure titanium / titanium alloy
Main Grade ASTM B861 Grade 2 / UNS R50400
Optional Grades Gr.1, Gr.7, Gr.9, Gr.12
Outside Diameter 5-168 mm
Wall Thickness 0.2-5.2 mm
Length 1-12 m standard, up to 15 m max, custom cut length available
Tolerance Range OD and WT according to ASTM B861 / ASTM B338 or agreed drawing tolerance
Straightness Typically ≤1.5 mm/m for heat-exchanger tube supply, tighter by agreement
Surface Condition Pickled, polished, bright annealed, or mechanically polished
Heat Treatment Annealed; Grade 9 may be supplied annealed or cold-worked and stress-relieved according to order condition
Manufacturing Method Seamless cold drawn / cold rolled from hollow billet
Inspection Chemical analysis, tensile test, hydrostatic or pneumatic test, dimensional inspection, visual inspection
Key Characteristics
Property Practical Value for Procurement
Corrosion Resistance Grade 2 titanium provides strong resistance in seawater and chloride-containing cooling water, making it suitable for condenser and heat-exchanger tube bundles.
Strength Level ASTM Gr.2 minimum tensile strength ≥345 MPa, yield strength 275-450 MPa, elongation ≥20%.
Low Density Density about 4.51 g/cm³, roughly 56% of common stainless steel density, helping reduce tube-bundle weight.
Heat-Exchanger Suitability ASTM B338 specifically covers titanium tubes for surface condensers, evaporators, and heat exchangers.
Surface Finish Polished or pickled surface reduces fouling tendency and supports easier cleaning in heat-transfer service.
Weldability Commercially pure Grade 2 titanium has good weldability when shielding gas and contamination control are properly managed.
Our Advantages
Professional Concern How We Address It
Wrong standard selection between pipe and tube For "ASTM B861 Gr.2" inquiries, we clarify whether the buyer needs seamless pipe under ASTM B861 or heat-exchanger tube under ASTM B338, because ASTM B338 is written for condensers, evaporators, and heat exchangers.
Risk of leakage in tube sheets We control OD tolerance, straightness, surface finish, and end-cut quality to improve tube insertion, expansion, and sealing performance. Hydrostatic or pneumatic testing can be arranged before shipment.
Grade mismatch in corrosive media We help match Gr.2, Gr.7, Gr.9, or Gr.12 according to chloride level, strength requirement, and corrosion severity. Grade 7 adds palladium, Grade 9 adds Al-V for higher strength, and Grade 12 adds Mo-Ni for improved corrosion resistance.
Applicable Standards
Standard System Standard Brief Scope
ASTM / ASME ASTM B861 / ASME SB861 Seamless titanium and titanium alloy pipe for corrosion-resisting and elevated-temperature service.
ASTM / ASME ASTM B338 / ASME SB338 Seamless and welded titanium tubes for condensers, evaporators, and heat exchangers.
GB GB/T 3624 Titanium and titanium alloy seamless tubes for general industrial use.
GB GB/T 3625 Titanium and titanium alloy tubes for condensers and heat exchangers.
DIN DIN 17861 Seamless circular titanium and titanium alloy tubes; technical delivery conditions.
JIS JIS H 4630 Titanium and titanium alloy tubes for heat-exchanger service.
GOST GOST 24890 Seamless titanium tubes, commonly referenced for Russian-market titanium tube supply.
Application Field

Seawater-cooled shell-and-tube condenser tube bundle for coastal power plants, desalination equipment, and chemical-process cooling systems.

Chemical Composition
Grade UNS N max % C max % H max % Fe max % O max % Al % V % Pd % Mo % Ni % Residual Each max % Residual Total max % Ti
Gr.1 R50250 0.03 0.08 0.015 0.20 0.18 -- -- -- -- -- 0.10 0.40 Balance
Gr.2 R50400 0.03 0.08 0.015 0.30 0.25 -- -- -- -- -- 0.10 0.40 Balance
Gr.7 R52400 0.03 0.08 0.015 0.30 0.25 -- -- 0.12-0.25 -- -- 0.10 0.40 Balance
Gr.9 R56320 0.03 0.08 0.015 0.25 0.15 2.5-3.5 2.0-3.0 -- -- -- 0.10 0.40 Balance
Gr.12 R53400 0.03 0.08 0.015 0.30 0.25 -- -- -- 0.2-0.4 0.6-0.9 0.10 0.40 Balance
Mechanical Properties
Grade Tensile Strength, min MPa Yield Strength, MPa Elongation, min % Typical Grade Positioning
Gr.1 ≥240 138-310 24 Highest ductility CP titanium
Gr.2 ≥345 275-450 20 Standard corrosion-resistant CP titanium
Gr.7 ≥345 275-450 20 Pd-enhanced corrosion resistance
Gr.9 ≥620 ≥483 15 Higher-strength Ti-3Al-2.5V alloy
Gr.12 ≥483 ≥345 18 Mo-Ni enhanced corrosion resistance
Product Images
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
Frequently Asked Questions
Are you trading company or manufacturer?

Manufacturer, also can do trading.

How long is your delivery time?

Generally speaking, it is 10-15 days if the goods are in stock, or it is 30-40 days if the goods are not in stock, according to quantity.

Do you provide samples? Is it free or extra?

Yes, we could offer the sample for free charge but need pay the cost of freight.

What is your terms of payment?

Payment ≤ 2000 USD, 100% in advance. Payment ≥ 2000 USD, 30% T/T in advance, balance before shipment. If you have another question, please feel free to contact with me.

Product tags

astm a213 t91 alloy tube

,

titanium alloy tube

,

titanium tube astm b338
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ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service

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Product Detail
Brand Name :
TORICH
Model Number :
ASME SB861
Certification :
ISO 9001,ISO 14001
Place of Origin :
CHINA
MOQ :
1 ton
Price :
negotiable
Contact Supplier
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service
ASTM B861 Grade 2 Seamless Titanium Tube for Corrosion Resistant Heat-Exchanger Service

TORICH INTERNATIONAL LIMITED

Verified Supplier
12 Years
zhejiang, ningbo
Since 1997
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller
Main Products :
Precision Steel Tube, Seamless Steel Tube, Stainless Steel Tube
Total Annual :
25000000-30000000
Employee Number :
100~200
Certification Level :
Verified Supplier
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