Q : What are the classifications of stainless steel A : Stainless steel is often divided into: martensitic steel, ferrite steel,austenitic steel, austenitic-ferritic (duplex) stainless steel and precipitationhardening stainless steel.
Q : How to judge whether 304 stainless steel A: 304 stainless steel, can be used in places that require high screw materialand will not rust
Q :Why 304 stainless steel is magnetic A: Because stainless steel is divided into austenite, martensite, ferritic duplexstainless steel, etc.. austenite is also the most widely used stainless steel.austenite is non-magnetic or weakly magnetic, while ferrite and martensite aremagnetic.
Q : The difference between 201 stainless steel and 304 stainless steel
A: Common stainless steels in the market are 201 stainless steeland 304 stainless steel
Q : What is heat treatment A: Heat treatment is an important metal processing method, the purpose isto improve the performance of steel (use performance and process performance)