Alloy 20, also known as Carpenter 20. It is a nickel-chromium-molybdenum stainless steel alloy. Alloy 20 fasteners are highly resistant to various other chemicals and these are resilient against pitting and chloride corrosion from sulphuric acid.
Alloy 20 Stamp Parts Applications Areas - flue-gas scrubbers, chemical processing environment, sulphuric acid pickling, petroleum refining, pulp and paper, food and dyes.