Angle stair handrail bracket classification, according to the different alloy composition, focuses on rust resistance and acid resistance respectively. Although some steels are rust-proof, they are not necessarily acid-resistant, and acid-resistant steels are usually rust-proof. Austenitic stainless steel is mainly used to produce fasteners. In people's daily life, the stainless steel that is often referred to is also austenitic stainless steel. The stainless steel fasteners we use mainly use austenitic 302, 304, 316 and "low nickel" 201 as raw materials.