Type 304 is the most commonly produced stainless steel, accounting for more than half of all stainless steel production. It is an austenitic grade that withstands ordinary corrosion in architecture, ...
Therefore, Type 304L stainless steel is a highly popular material for use in highly corrosive conditions. Weld annealing is only required in those applications where there are excessive stress loads.
He starts out identifying the EU and US regulations about what you can call food-grade. There’s also recognition that while a base plastic might be safe for contact with food, there’s no way ...