ASTM B338 Titanium and Titanium Alloy Tube

  • Type: Seamless and welded
  • Application: Condenser and Heat Exchanger
  • Grade 2, CP Ti-2, W.Nr 3.7025, AFNOR T35, BS 2TA1, GOST VT1-0 (ВТ1-0)
  • Grade 5, Ti-6Al-4V, W.Nr 3.7165, AFNOR T-A6V, BS TA10-13, GOST BT6 (VT6)
  • Grade 7, Ti-0.2Pd, W.Nr 3.7235, BS TA9
  • Grade 9, Ti-3Al-2.5V, GOST 3B
  • Grade 12, Ti-0.3Mo-0.8Ni, W.Nr 3.7105
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Features

ASTM B338 Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers

Chemical Composition (wt. %)
Grade N (max) C (max) H (max) Fe (max) O (max) Al V Pd Mo Ni Other Elements Ti
2 0.03 0.08 0.015 0.3 0.25 – – – – – – Balance
5 0.05 0.08 0.015 0.4 0.2 5.5-6.75 3.5-4.5 – – – – Balance
7 0.03 0.08 0.015 0.3 0.25 – – 0.12-0.25 – – – Balance
9 0.03 0.08 0.015 0.25 0.15 2.5-3.5 2.0-3.0 – – – – Balance
12 0.03 0.08 0.015 0.3 0.25 – – – 0.2-0.4 0.6-0.9 – Balance
Mechanical Properties
Grade Tensile Strength (min, ksi [MPa]) Yield Strength (0.2% Offset, min, ksi [MPa]) Elongation in 2 in. or 50 mm (min, %)
2 50 [345] 40 [275] 20
5 130 [895] 120 [828] 10
7 50 [345] 40 [275] 20
9 90 [620] 70 [483] 15
12 70 [483] 50 [345] 18

Technical Specifications

Specification Value
Standard ASTM B338 Titanium and Titanium Alloy Tube
Grade Grade 2, Grade 5, Grade 7, Grade 9, Grade 12
Seam Type Seamless and Welded
O.D. 9.53 – 88.9mm (3/8″ – 3 1/2″)
W.T. 0.5 – 10mm (0.020″-0.394″)
Length 3000 – 12000mm
Density 4.51 g/cm3
Shapes of Tube Straight Tubes, U-Tubes, Tube Coils
Inspection Certificate EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection)
Tests Chemical Analysis, Tensile Test ASTM E8/E8M, Flattening Test ASTM A370, Flaring Test, NDE Test (ET/UT/EMT/HT)
Packing

Straight or plain ends with plastic caps, bundled and covered with seaworthy bags, or packed in plywood crates.

Application

Heat exchangers: Grade 2 titanium tube resistance to corrosion from various chemicals, including chlorides and acids, makes it perfect for heat exchangers in chemical processing plants.
Pressure vessels: Titanium tubing’s high strength and corrosion resistance make them ideal for pressure vessels used in chemical processing and storage.
Piping systems: Titanium tube offers excellent resistance to pitting and crevice corrosion, making them reliable for transporting corrosive chemicals.
Marine applications: Grade 5 titanium tube’s resistance to seawater corrosion makes it suitable for marine applications like shipbuilding, desalination plants, and offshore structures.
Power generation: Due to their corrosion resistance and high strength, ASTM B338 titanium tubes are used in power plants for condenser tubing and other applications.
Sports equipment: Grade 9 titanium tube’s lightweight and high strength make it ideal for high-performance sports equipment, such as bicycle frames and golf clubs.

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