What material is 254SMO?

254SMO is an austenitic stainless steel. Due to its high molybdenum content, it has extremely high resistance to pitting and crevice corrosion. This grade of stainless steel was developed for use in environments containing halides such as seawater.

The price is generally 8,300-8,450 yuan per ton (data from China Steel Network).

The places of origin are found in cities at all levels, to name a few: Shanghai, Beijing, Tianjin, Chongqing, Jiangsu (14), Zhejiang (14), Anhui (19), Fujian (9), Jiangxi (14), Shandong (19), Hebei (16), Shanxi (14), etc.

performance

A large number of field experiments and extensive use experience have shown that even at slightly higher temperatures, 254SMO has high crevice corrosion resistance in seawater. Only a few types of stainless steel have this performance.

The corrosion resistance of 254SMO in acidic solutions and oxidizing halide solutions such as those required for paper bleaching production is comparable to the most corrosion-resistant nickel-based alloys and titanium alloys.

Because 254SMO has a higher nitrogen content, its mechanical strength is higher than other types of austenitic stainless steel. In addition, 254SMO has high ductility and impact strength as well as good weldability.

The high molybdenum content of 254SMO enables it to have a higher oxidation rate during annealing, resulting in a rougher surface than ordinary stainless steel after pickling. But this has no adverse effect on the corrosion resistance of the steel.

Application areas:

1. Ocean: Marine structures in the marine environment, seawater desalination, seawater aquaculture, seawater heat exchange, etc.

2. Environmental protection field: flue gas desulfurization equipment for thermal power generation, wastewater treatment, etc.

3. Energy field: atomic power generation, comprehensive utilization of coal, wave power generation, etc.

4. Petrochemical industry: oil refining, chemical equipment, etc.

5. Food field: salt production, soy sauce brewing, etc.

6. High concentration chloride ion environment: paper industry, various bleaching devices