An MS Tank is a storage vessel made from mild steel, a type of carbon steel with low carbon content. It is commonly used for storing water, oils, industrial liquids, and certain chemicals where whereas an SS Tank is a storage vessel constructed from stainless steel, an alloy known for its excellent resistance to corrosion, rust, and chemical reactions. SS tanks are widely used in industries like food processing, pharmaceuticals, and chemical manufacturing, where hygiene and durability are critical.