1, 304 stainless steel first of all, our family commonly used pots and pans, and daily drinking water cups, tableware, etc. are used in 304 stainless steel, that is, the food of the equipment, the use of a wider range. Daily food design at most contact with acid and alkali more, 304 stainless steel is the biggest advantage of acid, alkali resistance, and high density, polished without bubbles. 2, 316 stainless steel 316 stainless steel food equipment is a bit of a luxury, but it is better than the function of the 304, generally common in the medical, food, machinery, petroleum, etc., and 316 stainless steel in a number of mechanical equipment, accessories, parts, or production of some gun barrels. Commonly used in some mechanical equipment accessories parts, or the production of some gun barrels, weapons, etc. More commonly used.3, how to distinguish between today's whatever industry competition is fierce, some people put 304 stainless steel items sold at the price of 316, 316 stainless steel price itself is more expensive than 304, just with the naked eye, can not be seen, need to be tested by us.