ASTM A182 SMO 254 Flange/ UNS S31254 Flange

Prashaant Steel & Alloys is one of the most prominent manufacturers and suppliers of SMO 254 Flanges. Our SMO 254 Flanges are of eight types SMO 254 Slip On Flanges, SMO 254 Weld Neck Flanges, SMO 254 Blind Flanges, SMO 254 Orifice Flanges, SMO 254 Socket weld Flanges, SMO 254 Threaded Flanges, SMO 254 Long weld Neck Flanges, SMO 254 RTJ Flanges, SMO 254 Reducing Flanges, SMO 254 Forged Flanges. SMO 254 Flanges are Buttweld fittings of excellent corrosion resistance that are suitable for use in a variety of acidic conditions. These vessels are more structurally stable than most comparable alloy vessels, and they’re simple to assemble and weld. SMO 254 Flanges are ductile and withstand stress corrosion cracking in liquids with high chloride levels. They can tolerate a variety of fluoride media as well as bearings containing concentrated sulfuric acid. Furthermore, SMO 254 Flanges have excellent thermal stability as well as pitting and corrosion resistance. Also after exposure to intermediate temperatures, they are known to maintain their ductility. SMO 254 Flanges are ideal for applications including pure hydrochloric, hydrobromic, and sulfuric acids in a variety of reduction conditions. They are also resistant to phosphoric, acetic, and formic acids, as well as non-oxidizing media. SMO 254 Flanges are typically found in non-oxidant piping systems.

SMO 254 Spectacle Blind Flange is considerably much stronger as compared to the standard or conventional austenitic grade alloys. The tensile strength of the Alloy 254 SMO is nearly two times  that of  grade 300 series stainless steel. The UNS S31254 Weld Neck Flange is also characterized by its high ductility as well as high impact strength. With high levels of chromium, molybdenum, and nitrogen content , the alloy is frequently used in high chloride containing environments. For example, the UNS S31254  Pipe Flange is used in environments such as seawater, brackish water, pulp mill bleach plants, and other chloride process streams.

In quite a few applications the Smo 254 Flanges has even been found to be a more cost effective solution for high nickel and titanium content alloys. Since the content of both these elements is less, the price of the consumed alloy is lesser.  Due to high levels of molybdenum and nickel content in the alloy, most Uns S31254 Super Duplex Stainless Steel Flanges Suppliers suggest that buyers use this alloy in high chloride environments. 

SMO 254 Ring Joint Type Flanges was based, to some extent, on data that demonstrated that 0.5 % – 1 % copper in stainless steel produced an optimal combination of resistance to reducing acids and resistance to chlorides. SMO 254 Spacer Flanges contain copper only as a residual element, as do most austenitic stainless steels. The physical properties of SMO 254 Long Weld Neck Flanges are essentially equivalent as described herein. However, any differences in drop – evaporation tests for SMO 254 Nipo Flanges are not believed to be statistically significant.