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

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 Ti
2 0.03 0.08 0.015 0.30 0.25 Balance
5 0.05 0.08 0.015 0.40 0.20 5.50-6.75 3.5-4.5 Balance
7 0.03 0.08 0.015 0.30 0.25 0.12-0.25 Balance
9 0.03 0.08 0.015 0.25 0.15 2.50-3.50 2.0-3.0 Balance
12 0.03 0.08 0.015 0.30 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

Boiler, Heat Exchanger and Condenser Tubes Dimension Chart

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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