Stainless Steel FittingsSUS304 – Corrosion ResistantBy Duda Energy 304 Stainless Steel has excellent corrosion resistance against a variety of different chemicals. Stainless steel fittings are ideal for many applications including water plumbing, biodiesel processors, corrosive chemical systems, alcohol systems, oil systems etc… For your specific application, consult a chemical compatibility chart to be certain of chemical compatibility with 304 Stainless Steel.Our stainless steel fittings have a working fluid temperature range of -196°C to +220°C (-321°F to 428°F)These fittings are designed for use in 150 psi or less systems.