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Non-Ferrous Metals · Tubes · ASTM B338 / ASME SB338

Titanium Grade 2 Tubes

In short: Titanium Grade 2 tube to ASTM B338 is used for seawater-cooled condensers and heat exchangers in power plants, desalination and chemical plants.

R50400
UNS number
4.51
density, g/cm³
3.1 / 3.2
EN 10204 certificates
4
Titanium Grade 2 product forms
Quote Titanium Grade 2 tubes →Sizes and weights
Titanium Grade 2 tube weightCalculated at 4.51 g/cm³: 6.4×0.89 0.07 kg/m; 9.5×1.24 0.15 kg/m; 12.7×1.24 0.20 kg/m; 12.7×1.65 0.26 kg/m; 15.9×1.24 0.26 kg/m; 19.1×1.65 0.41 kg/m; 19.1×2.11 0.51 kg/m; 25.4×1.65 0.56 kg/m; 25.4×2.11 0.70 kg/m; 31.8×1.65 0.70 kg/m; 38.1×1.65 0.85 kg/m; 38.1×2.11 1.08 kg/m. Titanium Grade 2 tube weight4.51 g/cm³ 6.4×0.89: 0.07 kg/m6.4×0.899.5×1.24: 0.15 kg/m9.5×1.2412.7×1.24: 0.20 kg/m12.7×1.2412.7×1.65: 0.26 kg/m12.7×1.6515.9×1.24: 0.26 kg/m15.9×1.2419.1×1.65: 0.41 kg/m19.1×1.6519.1×2.11: 0.51 kg/m19.1×2.1125.4×1.65: 0.56 kg/m25.4×1.6525.4×2.11: 0.70 kg/m25.4×2.1131.8×1.65: 0.70 kg/m31.8×1.6538.1×1.65: 0.85 kg/m38.1×1.6538.1×2.11: 1.08 kg/m38.1×2.11 1.1 OD × wall, mm · kg/m
Calculated values for estimating; actual weights vary within tolerances.

Why this combination

Why Titanium Grade 2 in tubes

Most widely used CP titaniumImmune to seawater and wet chlorine corrosionGood weldability and formabilityAbout 57% of the density of steel

Condenser tubes in seawater see erosion and pitting; titanium resists both and allows thin walls.

Welded B338 tube is common for large condensers.

Specification

How to specify Titanium Grade 2 tubes

OD 3 mm to about 127 mm (¼" to 5") typical, wall 0.5 mm to 12 mm; BWG or mm; straight lengths up to about 30 m, U-bent to drawing

Titanium Grade 2 tubes ASTM B338 / ASME SB338
Titanium Grade 2 tubes: ASTM B338 / ASME SB338
Specification
ASTM B338 / ASME SB338
UNS
R50400
Order by
OD × wall (BWG or mm), length

Sizes and weights

Titanium Grade 2 tubes sizes, weighed at 4.51 g/cm³

Other sizes on request. For general tubes information, such as manufacturing routes and end finishes, see the tubes guide.

Titanium Grade 2 tube weights at 4.51 g/cm³
OD mmWall mmkg/m
6.350.890.069
9.531.240.146
12.701.240.201
12.701.650.258
15.881.240.257
19.051.650.407
19.052.110.506
25.401.650.555
25.402.110.696
31.751.650.704
38.101.650.852
38.102.111.076
50.802.111.456
50.802.771.885

Chemistry

Titanium Grade 2 composition

UNS
R50400
Density
4.51 g/cm³
Titanium Grade 2 chemical composition, % (ASTM B265)
ElementLimit, %Why it matters
O0.25 max
Fe0.30 max
C0.08 max
N0.03 max
H0.015 max
TiBalance

Limits per ASTM B265; other product forms and specifications differ slightly. Your order's specification and edition govern.

Questions

About Titanium Grade 2 tubes

Is titanium used in power-plant condensers?

Yes, especially in seawater-cooled plants.

Can titanium tube be expanded into tube sheets?

Yes, with appropriate tube-sheet materials or cladding.

From enquiry to dispatch

How a Titanium Grade 2 tubes order runs

  1. 01 EnquiryGrade, specification, size, quantity
  2. 02 ReviewChecked against your standard
  3. 03 InspectPMI, dimensions, TPI if required
  4. 04 CertifyEN 10204 3.1 / 3.2, heat traceable
  5. 05 ShipPacked and documented for the destination

Need Titanium Grade 2 tubes?

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