Classification of steel utensils
According to the organization structure at room temperature, there are martensitic, austenitic, ferritic, and duplex steel utensils; According to the main chemical composition, it can basically be divided into two major systems: chromium stainless steel and chromium-nickel steel utensils; According to the purpose, there are nitric acid-resistant steel utensils, sulfuric acid-resistant steel utensils, seawater resistant…