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Brand Name : YUHONG
Model Number : ASTM A403 S31254
Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin : CHINA
MOQ : 1 PC
Price : Negotiable
Payment Terms : T/T, L/C AT SIGHT
Supply Ability : 10000 pcs per month
Delivery Time : Depends on quantity
Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap
STANDARD : ASTM A403/ASME SA403
NAME : 90°/45° LR ELBOW
MATERIAL : S31254 / 254 SMO
TYPE : Butt weld
APPLICATION : Marine,ship building,offshore,platform
Keyword : Pipe Fitting
Overview
254 SMO, also known as UNS S31254 or 6% molybdenum super austenitic stainless steel, is a high-alloyed stainless steel that offers excellent resistance to corrosion, especially in aggressive environments. When it comes to 254 SMO elbows, they are pipe fittings that provide changes in direction for piping systems while maintaining the exceptional corrosion resistance and strength of the alloy.
It is important to note that the advantages of 254 SMO elbows may vary depending on the specific application and operating conditions. It is recommended to consult with engineers, manufacturers, or industry professionals to evaluate the specific advantages and suitability of 254 SMO elbows for your particular project requirements.
Key points about 254 SMO elbows:
Corrosion Resistance: 254 SMO elbows are highly resistant to corrosion in various environments, including seawater, chloride-containing solutions, acids (such as sulfuric acid and phosphoric acid), and other aggressive media. This makes them suitable for use in industries like offshore, chemical processing, and desalination.
Strength and Durability: 254 SMO elbows offer high strength and durability, making them suitable for demanding applications where resistance to stress corrosion cracking and pitting corrosion is essential.
Fabrication and Weldability: 254 SMO elbows can be easily fabricated and welded, allowing for flexibility and ease of installation in piping systems. However, it is important to follow proper welding procedures and use appropriate filler materials to maintain the corrosion resistance properties of the alloy.
Applications: 254 SMO elbows are commonly used in industries where corrosion resistance is crucial, such as offshore oil and gas platforms, chemical processing plants, desalination plants, pulp and paper industry, and pharmaceutical industry. They are employed in piping systems, heat exchangers, condensers, and other equipment that require changes in direction while maintaining the integrity of the system
Chemical Composition
S31254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
Mechanical Properties
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Equivalent Grades
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
Application:
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254 SMO ELBOW HIGH-ALLOYED STAINLESS STEEL FITTING ASTM A403 S31254 Images |