254 SMO | Alloy 254 Exporter | UNS N31254

SMO 254 Supplier

 254 SMO Supplier | Alloy 254 Manufacturer | UNS S31254 Exporter

Siddhagiri Metals and Tubes is the Manufacturer, Exporter, and Supplier of 254 SMO. Siddhagiri Metals and Tubes has 25 years of Experience in Manufacturing of SMO 254 in India.We have been exporting this alloy all over the world. We supply SMO 254 Pipe, Tube, Wire, Flanges, Fittings, Forged Fitting, Filler Wire, Tube Fitting, Outlets, Elbow, Tee, Round Bar, Plate, Sheet, Coil etc. Stainless Steel Grade SMO 254 is very high end austenitic stainless steel developed for use in seawater and other aggressive chloride bearing media. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, pitting and crevice corrosion with a strength that is twice of stainless steel 300 series. For certain applications, SMO 254 has been reported to be a cost effective substitute for high Nickel and Titanium alloys.

254 SMO alloy also known as UNS S31254,  possess excellent workability as well.It offers high yield strength, Owing to its excellent corrosion resistance, ducting and welding properties, the offered Austenitic Stainless Steel is widely used in chemical industry & food processing equipment and truck & trailer body manufacturing purpose. Excellent resistance to pitting and crevice corrosion High resistance to general corrosion High resistance to stress corrosion cracking Higher strength than conventional austenitic stainless steels Good weldability. 254 SMO Seamless PIPES AND TUBES are supplied in dimensions up to 230 outside diameter. The delivery condition is either solution annealed and white pickled, or solution annealed in a bright annealing process.

SMO 254® is a registered trademark of Outokumpu.

254 SMO Forms

 254 SMO Chemical Composition :


254 SMO Mechanical Properties :

UNS S31254Sheet and strip
0.2% proof stress
Tensile strength

254 SMO Physical Properties:

Density [g/cm3
Specific heat [J/kg . K] 20°C464
Electrical resistivity [μΩ . cm]88.2
Thermal conductivity [W/m . K]12.3
Average coefficient of thermal expansion [10-6
Young’s modulus [MPa] 16.7 × 10^4
Melting range [°C] 1360~1405

254 SMO Applications:

  • Saltwater handling
  • Tall oil distillation columns
  • Flue gas desulfurization scrubbers
  • Components used in petroleum production
  • Food processing equipment
  • Process equipment in chemical industry
  • Bleaching equipment in the pulp and paper industry
  • Flue-gas cleaning
  • Desalination
  • Heat exchangers

254 SMO Equivalent Grades and Other Names :

  • UNS S31254
  • EN Number 1.4547
  • EN Name X1CrNiMoCuN20-18-7
  • W.Nr. 1.4529**
  • SS 2378*
  • AFNOR Z1 CNDU 20.18.06AZ*

Siddhagiri Metals and Tubes, 254 SMO Supplier Manufacturer:

Siddhagiri Metals and Tubes is a manufacturer dealer and exporter of SMO 254. SMT Supply SMO 254 In Various Form. They are :-

  • Pipes ASTM B269 / B213 SMO 254

  • Tube ASTM B249 / A269 SMO 254

  • Tube Fittings Os-Lok, A-Lok  SMO 254

  • Flanges ASTM A182 SMO 254

  • Forged Fittings ASTM A473 SMO 254

  • Sheet Plate ASTM B168 SMO 254

  • Bar ASTM A240 SMO 254

  • Fabricated SMO 254 Products

Whatever may be the specification, grade or service, we offer the best solution for all the queries. Our inventory position and worldwide business relationships make us a leader in the distribution industry. All our products are fabricated from high quality raw materials. These products are manufactured under the supervision of our experienced experts using latest technology. As a Renowned SMO 254 supplier our ability to supply  products on a project basis is one of our strongest competences and is unsurpassed in this business worldwide.

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Brand Name
Siddhagiri Metals and Tubes
Product Name
SMO 254
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