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Alloy 254 SMO(6-moly) UNS S31254 6Mo Pipe
Alloy 254Mo, also known as UNS S31254 or F44, is a high alloy austenitic stainless steel. This material is specially added with a large amount of molybdenum, nickel, and copper, giving it excellent resistance to pitting and crevice corrosion, especially in harsh environments containing halides. Alloy 254Mo seamless pipe not only maintains excellent ductility and toughness at high temperatures, but also has high strength characteristics almost twice that of 3xx series austenitic stainless steel, making it an ideal choice for many high-end applications.
254smo is an austenitic stainless steel, also known as 6Mo steel or UNS S31254. It is a high alloy steel with excellent corrosion resistance and high temperature strength, widely used in chemical, marine, petroleum, mining and other fields.
Specifications of S31254 Pipe:
Grade | Standard | Outside Diameter | 8mm-711mm |
S31254 TP304 TP304L | ASTM-A312 | Wall Thickness | 1mm-50mm |
Length | ≤20m | ||
Inspection | Appearance/ Dimensional test, PMI; | ||
Certificates | ISO/PED/AD2000/TS | ||
Package | End protection/ Woven bags/ Wooden cases |
Chemical Composition of 254Mo/ 6Mo
Component | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | N |
Min | - | - | - | - | - | 19.5 | 17.5 | 0.5 | 6 | 0.18 |
Max | 0.02 | 0.8 | 1 | 0.03 | 0.01 | 20.5 | 18.5 | 1 | 6.5 | 0.22 |
Application fields of 6mo pipe:
-Chemical industry: such as oil and gas processing equipment, storage and processing equipment for acidic media such as sulfuric acid and hydrochloric acid.
-Marine engineering: such as seawater distillers, seawater coolers, exposed components in seawater, etc.
-Mining field: including equipment for mining, refining, and processing metal ores.
-Food industry: such as food processing equipment, storage and transportation equipment, etc.
What is the pickling surface of the pipe?
The surface pickling process of stainless steel pipes involves treating the surface with an acidic solution, such as sulfuric or hydrochloric acid, to remove impurities like oxides, oil residue, and welding scales. This method cleanses the surface, eliminating oxide layers and providing a cleaner and smoother appearance to the stainless steel surface. This treatment enhances the corrosion resistance of the pipes and makes them more suitable for various applications, such as in chemical industries and oil processing. The pickled surface of stainless steel pipes typically exhibits increased luster, improving both the quality and appearance of the pipes.
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