Stainless steel comes in various types and grades, and each of these varieties can have different chemical properties. "316 grade stainless steel" is commonly referred to as AISI 316 stainless steel and is a widely used type. AISI 316 stainless steel is known for its high corrosion resistance and can typically withstand the following acids:
1. Sulfuric Acid (H2SO4): In most applications, 316 stainless steel can withstand dilute sulfuric acid. However, concentrated sulfuric acid can reduce the corrosion resistance of stainless steel.
2. Phosphoric Acid (H3PO4): It generally withstands dilute phosphoric acid, but concentrated phosphoric acid can be a more aggressive source of corrosion.
3. Acetic Acid (CH3COOH): 316 stainless steel usually withstands dilute acetic acid.
4. Hydrochloric Acid (HCl): It is resistant to dilute hydrochloric acid, but it can be more sensitive to corrosion at high concentrations or high temperatures.
5. Organic Acids: It is generally resistant to many types of organic acids.
Please note that the quality of steel can vary depending on the properties of components and processes, so when selecting stainless steel for a specific application, you must consider the chemical resistance requirements. Additionally, if it will be exposed to high concentrations or high temperatures of acids, appropriate protective measures should be taken.