What is Stainless Steel 904L? Stainless steel 904L is a high-alloy austenitic stainless steel containing high levels of chromium, nickel, and molybdenum, along with the addition of copper. This unique composition results in exceptional corrosion resistance, particularly against acidic environments, such as sulfuric acid, phosphoric acid, and chloride-containing environments. Developed initially for handling harsh chemical […]