Common varieties and properties of austenitic stainless steel.

Austenitic stainless steel is widely used in life. Do you really know about austenitic stainless steel?How much are you familiar with?What is the commonly used austenitic stainless steel and what are the characteristics?

From the simplest the most common variety of: 304 gb brand: 06 cr19ni10 chemical composition of C, Si, Mn, P, S, Ni, Cr, its characteristics is cold work performance is good, work hardening rate is moderate, is suitable for processing and stretch between the general cold smoke, common outside hexagonal screw, nut and washer and so on are all in this material.304HC is compared with the upper sex ratio. The chemical composition of Cu is more than that of Cu, and copper is added to replace nickel, which reduces the steel working hardening rate and has lower magnetic properties, so this is a kind of stainless steel with magnetic properties.The chemical properties of 304M are the same as 304, and its properties are somewhere in between.06 cr18ni9cu3 hq gb number: 302 304 hc, chemical composition and the difference with the composition of Cu is higher than 304 hc, it is the deformation of the 304 steel because of the high copper content so cold heading forming, more commonly used in carriage screws, self-tapping screws to deformation degrees higher product.316 national standard no. : 06Cr17Ni12Mo2, this material has a new chemical composition, it contains 2.0-3.0 Mo, its corrosion resistance is stronger, it can be used in the environment with strong acid and alkali.There is also the last type of 316L national standard: 022Cr17Ni12Mo2, if 316L subdivision can be divided into two types, except for the difference of Ni amount.316L has better corrosion resistance and cold processing than 316, but the production cost is higher.

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