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S31254 Pipe
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Size:1/2"-48"
Length:Single Random, Double Random & Cut Length.
End :Plain End, Beveled End, Treaded
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
Specifications | ASTM A 409 ASME SA 409 / ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
Dimensions | ASTM, ASME and API |
Size | 1/2″ – 48″ |
Specialized in | Large Diameter Size |
Thickness | 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc. |
Type | Seamless / ERW / Welded / Fabricated |
Form | Round, Hydraulic Etc |
Length | Single Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
SMO 254 Pipes Chemical Composition
SMO 254 | 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 |
SMO 254 Pipe Mechanical Properties
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Equivalent Grades for 254 SMO Pipe
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
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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