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Stainless steel fastener manufacturers have their own requirements for the production of raw materials. Most stainless steel fasteners can be made into steel wire or rod for fastener production, including austenitic stainless steel, ferritic stainless steel, martensitic stainless steel, and precipitation hardened stainless steel. So what are the principles in the selection of materials? The choice of stainless steel fastener manufacturers is mainly considered from the following aspects:

1. Requirements for the mechanical properties of fastener materials, especially strength;

2. Requirements for corrosion resistance of stainless steel fasteners under working conditions;

3. The requirements of the working temperature on the heat resistance (high temperature strength and oxidation resistance) of the material;

4. Requirements for material processing performance in terms of production process;

5, other aspects, such as weight, price, procurement factors must be considered.

After comprehensive and comprehensive consideration of these five aspects, finally select the applicable stainless steel fasteners according to the relevant national standards. The standard parts and fasteners produced should also meet the technical requirements: bolts, screws and studs (3098.3-2000), nuts (3098.15-2000), set screws (3098.16-2000).