FRABOPRESS 316 BIG-SIZE range is composed by AISI 316L (mat. 1.4404) stainless steel fittings and pipes, highly resistant to corrosion. Sulfur dioxide emissions from plants causes the greater quantity of air pollution in industrial areas. In these situations, molybdenum stainless steels are an absolute necessity, but they are recommended even in less aggressive environments, where the maximum hygiene is required.