Shell And Tube Heat Exchanger With SS31803 Tubes SA-106 Grade B Shell ASME Section VIII

Shell and Tube Heat Exchanger with SS31803 Tubes & SA-106 Grade B Shell ASME Section VIII

• ​​Durability​​: SS31803 tubes resist chloride stress corrosion cracking (SCC) in harsh environments.
• ​​Traceability​​: Full MTCs (Mill Test Certificates) for all materials.
• ​​Global Compliance​​: Meets ASME, PED 2014/68/EU, and EN 13445 standards.

SS31803 Tubes & SA-106 Grade B Shell Material Construction​​

• ​​Shell​​: ASME SA106 Grade B carbon steel (high-temperature/pressure resistance).
• ​​Tubes​​: ASTM SA789 UNS S31803 duplex stainless steel (superior chloride corrosion resistance, ideal for marine/chemical applications).
• ​​Critical Components​​:
  • ​​Tubesheet​​: SA266-4N + SS31803 clad (anti-corrosion dual-layer design).
  • ​​Baffles/Support Plates​​: SA516-70 carbon steel (high structural integrity).
  • ​​Flanges & Fasteners​​: SA193-B7/SA194-2H stud bolts & nuts (ASME-compliant high-strength threading).

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​​ASME Section VIII Division 1 Compliance​​

• Full traceability of materials and fabrication processes.
• Pressure-tested to 1.5× design pressure with hydrostatic/pneumatic methods.

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​​Customizable Design​​

• ​​​​Optional Configurations​​: Fixed tube sheet, U-tube, or floating head designs.
• ​​Accessories​​: SA240-304 nameplates, SA516-70N lifting lugs, and SA36 grounding bosses (electrochemical safety).

​​​Performance Specifications​​

• ​​Max Design Pressure​​: 1500 psi (shell side), 1200 psi (tube side).
• ​​Temperature Range​​: -20°C to 350°C.
• ​​Surface Finish​​: 3.2μm Ra for optimal heat transfer efficiency.

Technical Specifications Table​​