We are Distributors and Suppliers of SMO 254 .

254 smo material equivalent 254 smo chemical composition 254 smo material properties aws welding smo 254 astm welding smo 254 smo 254 composition

Alloy 254 SMo Tubes Alloy 254 SMo Seamless Tubes Alloy 254SMo Plates Alloy 254 SMo Sheets Alloy 254 SMo Pipes/ 254 smo pipe Alloy 254 SMo Fittings

Alloy 254 SMO

254 SMO is a high-alloy austenitic stainless steel developed for use in seawater and other aggressive chloride-bearing media.

The steel is characterized by the following properties:
Good weldability
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

Standards

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

Product standards

• Seamless tube and pipe: ASTM A269, A213, A312, NFA 49-217, EN 10216-5
• Welded tube and pipe: ASTM A249, A269 , A312, A358, A409
• Fittings: ASTM A182
• Bar: ASTM A276, A479, EN 10088-3
• Forged products: ASTM A473

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