What Is The Difference Between 316 And 904L Stainless Steel
Both of 904L and 316L are Austenite steel which are nonmagnetic and has high corrosion resistant properties, and good machining and polishing performance. As we all know, they can be be regard as substitutes for each other in some cases. The main advantage of 904L over 316L is its resistance to acids. "The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid". Rolex uses 904L primarily for marketing purposes to differentiate their product.