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S31254 Pipe

    Size:1/2"-48"
    Length:Single Random, Double Random & Cut Length.
    End :Plain End, Beveled End, Treaded
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S31254 Pipe is a high-performance austenitic stainless steel pipe. It is also known as 6% Moly or Super Duplex Stainless Steel. The ASTM designation for this alloy is A312, and it is commonly used in corrosive environments such as chemical processing, pulp and paper, and petrochemical industries.


The standard process for manufacturing S31254 Pipe involves a series of steps. The first step is to melt the steel in an electric arc furnace. The steel is then refined using an argon-oxygen decarburization process. This process helps to remove impurities such as carbon and sulfur. The refined steel is then poured into casting molds where it solidifies into a billet. The billet is then hot rolled into a pipe.


SMO 254 Seamless Pipes Specifications

SpecificationsASTM A 409 ASME SA 409 / ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
DimensionsASTM, ASME and API
Size1/2″ – 48″
Specialized inLarge Diameter Size
Thickness20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
TypeSeamless / ERW / Welded / Fabricated
FormRound, Hydraulic Etc
LengthSingle Random, Double Random & Cut Length.
EndPlain End, Beveled End, Treaded

 

SMO 254 Pipes Chemical Composition


SMO 254NiCMoMnSiFeCuSPCr
17.5 – 18.5
0.02 max6 – 6.5
1 max0.8 max0.5 – 10.01 max0.03 max19.5 – 20.5



SMO 254 Pipe Mechanical Properties


DensityMelting PointYield Strength (0.2%Offset)Tensile StrengthElongation
8.0 g/cm31320-1390 ℃30065035 %



Equivalent Grades for 254 SMO Pipe

STANDARDUNSWERKSTOFF NR.AFNORENJISSISGOST
SMO 254S312541.4547Z1 CNDU 20.18.06AzX1CrNiMoCuN20-18-72378


254 SMO Pipes Test Certificates

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

S31254 Pipe Application:

Due to its excellent corrosion resistance and mechanical properties, S31254 Pipe is commonly used in applications where high levels of corrosion resistance are required. It is used in chemical processing, pulp and paper, and petrochemical industries. It is also used in offshore oil and gas applications, such as subsea pipelines, where corrosion resistance is essential. Other applications include heat exchangers, desalination plants, and pharmaceutical industries.


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