What's the difference between galvanized gi steel and stainless steel?

1.Different concepts: zinc plating refers to the coating of metal zinc on the surface of the steel plate, the purpose is to prevent the surface of the steel plate from corrosion, prolong its service life, this coated thin steel plate is called galvanized plate. Stainless steel refers to air resistance, steam water and other weak corrosive medium and acid, alkali, salt and other chemical corrosion medium corrosion of steel, also known as stainless acid steel.
2.The processing technology is different: zinc plating is mainly on the surface of steel with a layer of dense zinc. Stainless steel is the addition of other metal elements inside the steel, is the internal structure change and make the product is not rusty.
3.Applicable fields are different: Galvanized sheet and strip products are mainly used in construction, light industry, automobile, agriculture, animal husbandry, fishery and commercial industries. Such as used for building roof board, roof grid classification; Kitchen utensils, etc.; Storage and transportation of materials, packaging equipment, etc. Stainless steel is mainly used in the field of construction, is one of the highest strength of metal materials used in construction. It is also used in food processing, catering, brewing and chemical industry where hygienic conditions are required.