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YUHONG HOLDING GROUP CO., LTD

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China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger
China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger

  1. China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger
  2. China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger
  3. China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger
  4. China ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger

ASME SB338 Grade 7 Titanium Tube Ti-0.2Pd Titanium Alloy Steel Heat Exchanger

  1. MOQ: 500kgs
  2. Price:
  3. Get Latest Price
Payment Terms L/C,T/T
Delivery Time 7 DAYS
Packaging Details Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name TitaniumTube
Standard ASTM B338, ASME SB338
Material Grade 7 , R52400, Ti-0.2Pd
OD 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.
Thickness BWG10-25
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End
High Light ASME SB338 Grade 7 Titanium Tube, Titanium Alloy Steel Heat Exchanger Tube
Brand Name YUHONG
Model Number ASME SB338 Gr. 7 Seamless Titanium Tube
Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin CHINA

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  1. Product Details
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Product Specification

Payment Terms L/C,T/T Delivery Time 7 DAYS
Packaging Details Ply-wooden Case /Iron Case/ Bundle with plastic Cap Product Name TitaniumTube
Standard ASTM B338, ASME SB338 Material Grade 7 , R52400, Ti-0.2Pd
OD 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. Thickness BWG10-25
Length Single Random, Double Random & Cut Length End Plain End, Beveled End
High Light ASME SB338 Grade 7 Titanium Tube, Titanium Alloy Steel Heat Exchanger Tube Brand Name YUHONG
Model Number ASME SB338 Gr. 7 Seamless Titanium Tube Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin CHINA
High Light ASME SB338 Grade 7 Titanium TubeTi-0.2Pd Titanium Alloy TubeTitanium Alloy Heat Exchanger Tube

ASTM B338 / ASME SB338 Grade 7 / Ti-0.2Pd / R52400 Titanium Tube Seamless Heat Exchanger Tube

 

 

Grade 7 titanium alloy tube (Ti with 0.12–0.25% Pd, balance Ti and residuals), conforming to ASME SB338— It comes either without a seam (seamless) or with a welded seam. Its purpose is to transfer heat between fluids while resisting corrosion, especially in acidic or salty conditions that would destroy ordinary titanium tubes. The specification for titanium tubes used in condensers and heat exchangers—and intended for heat exchanger duty (e.g., shell-and-tube units, condensers, or coolers).
 
 

Choose ASME SB338 Grade 7 (Ti-0.2Pd) for heat exchanger tubes when:

  • You need excellent resistance to chlorides (including high temperature).

  • The fluid contains dilute reducing acids (e.g., <5% HCl, <10% H₂SO₄) up to ~150°C.

  • You have tight crevices (e.g., tube-to-tubesheet, gaskets) in hot brine or acidic-chloride service.

  • You want to avoid exotic nickel alloys (C276, C22) for cost or availability reasons, but Grade 2 does not pass corrosion tests.

 

The funtion of adding Pd in titanium-- Palladium is a noble metal that cathodically modifies the titanium surface. In reducing acids where standard titanium's passive film fails, Pd promotes hydrogen evolution (a cathodic reaction) at a much lower overpotential, allowing titanium to spontaneously repassivate. This extends the corrosion resistance of titanium into regions normally reserved for more exotic alloys (like Ti-6Al-4V or Hastelloy).

 

 

Chemical Composition of ASME SB338 Grade 7 Titanium Tube / Ti-0.2Pd Titanium Alloy Steel Heat Exchanger Tube

Element Chemical Composition %
Grade 1 Grade 2 Grade 3 Grade 5 Grade 7 Grade 9 Grade 11 Grade 12 Grade 23
Nitrogen, max 0.03 0.03 0.05 0.05 0.03 0.03 0.03 0.03 0.03
Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08
Hydrogen, max 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.0125
Iron, max 0.20 0.30 0.30 0.40 0.30 0.25 0.20 0.30 0.25
Oxygen, max 0.18 0.25 0.35 0.20 0.25 0.15 0.18 0.25 0.13
Aluminum 5.5-6.75 2.5-3.5 5.5-6.5
Vanadium 3.5-4.5 2.0-3.0 3.5-4.5
Tin
Ruthenium
Palladium 0.12-0.25 0.12-0.25
Molybdenum 0.2-0.4
Chromium
Nickel 0.6-0.9
Niobium
Ziconium
Silicon
Residuals, max each 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Residuals, max total 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Titanium balance balance balance balance balance balance balance balance balance

 

 

Mechanical Property of ASME SB338 Grade 7 Titanium Tube / Ti-0.2Pd Titanium Alloy Steel Heat Exchanger Tube

Grade Tensile Strength, min Yield Strength (0.2% Offset) Elongation 2 in. or 50 mm
  min max
Ksi (Mpa) Ksi (Mpa) Ksi (Mpa) gage length min %  
Grade 1 35 (240) 25 (170) 45 (310) 24
Grade 2 50 (345) 40 (275) 65 (450) 20
Grade 3 65 (450) 55 (380) 80 (550) 18
Grade 5 130 (895) 120 (828) 10
Grade 7 50 (345) 40 (275) 65 (450) 20
Grade 9 90 (620) 70 (483) 45 15
Grade 11 35 (240) 25 (170) (310) 24
Grade 12 70 (483) 50 (345) 18
Grade 23 120 (828) 110 (759) 10

 

 

Application

1. Chemical Process Heat Exchangers

2. Desalination & Brine Heaters

3. Offshore Oil & Gas

4. Pulp & Paper Industry

5. Pharmaceutical & Fine Chemical6. Hydrometallurgy & Mining

7. Replacement / Upgrade Applications

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    1990

  • Total Annual:

    50M-70M

  • Employee Number:

    50~800

  • Ecer Certification:

    Verified Supplier

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...

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  • YUHONG HOLDING GROUP CO., LTD
  • 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
  • https://www.steelfintube.com/

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