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How to Distinguish the Austenite and Ferrite Stainless Steel in Use

Date:2017-07-03    keywords:austenite stainless steel, ferrite stainless steel
Industrial use of stainless steel according to the metallographic organization can be divided into three categories: ferritic stainless steel, martensitic stainless steel, austenitic stainless steel. It can be the characteristics of these three types of stainless steel (as shown in the table below), but it should be noted that the martensitic stainless steel is not all can not be welded, but only by certain conditions, such as welding should be preheated after welding should be high temperature temper so that the welding process is more complex. The actual production of some martensitic stainless steel such as 1Cr13, 2Cr13 and 2Cr13 and 45 steel welding or more.

Ferritic stainless steel also belongs to chrome stainless steel
Low carbon content, anti-atmospheric, nitric acid and saline solution corrosion ability, high temperature oxidation resistance and so on. Mainly used in the production of chemical equipment in the container, pipe.

Austenitic stainless steel is chrome nickel stainless steel
Has a high corrosion resistance, excellent plasticity, good weldability and low temperature toughness, do not have magnetic, easy to work hardening. Mainly used in corrosive media work in parts, containers, pipes, medical equipment and anti-magnetic environment.

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