JIS 304 308s 309s 316 316l Welded And Seamless Stainless Steel Tube & Pipes
304 and 316 steels are specified in applications where corrosion resistance and product purity are still important but which lack the stringent requirements found in pharmaceutical, semiconductor or aerospace manufacturing. Cosmetics and food and beverage processing are examples.
While 300-series stainless steels are very popular, they aren’t universally appropriate for all process piping applications. For instance, even though they’re corrosion-resistant, 300-series formulas do not perform well in the presence of chlorides. Steels with much higher concentrations of alloys like molybdenum, chromium and nickel are preferred in those scenarios.