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The advantages of stainless steel stamping include:
- Corrosion Resistance
- Strength and Durability
- Formability
Stainless steel stamping finds application in various industries, such as automotive body panels, cookware, medical devices, aerospace components, and consumer electronics. The process’s adaptability, combined with stainless steel’s exceptional characteristics, makes stainless steel stamping an indispensable technique in modern manufacturing, contributing to advancements across multiple sectors.
Types of Stainless Steel
301 Stainless Steel | Good tensile strength and corrosion resistance, there are many different options such as hard, semi-rigid and full-hard |
The main features of the 300SS series are its tensile strength and moderate corrosion resistance, which is highly used in stamping applications | |
316, 316L Stainless Steel | For basic 300 series stainless steel, molybdenum can be added to improve its strength and corrosion resistance. |
321, 347 Stainless Steel | The basic 18-8 composition has been modified to produce different variants, with alloying additions to enhance stability, improve weldability, and suitability for use in high temperature environments. |
17-7PH Stainless Steel | This heat treatable stainless steel has forming characteristics similar to Type 304 stainless steel. After cold forming, its strength can be greatly improved. |
The following are the processes for stainless steel stamping operations:
Material Selection: Selecting the right stainless steel alloy is critical, as different grades of stainless steel offer different levels of strength, corrosion resistance and formability. Typically, the selected sheet is pre-treated, annealed or cold-rolled to optimize its properties for the stamping process.
Feeding: The stainless steel sheet is fed into a stamping machine with a custom tooling. A precise infeed mechanism ensures that the sheet is properly aligned before the stamping operation begins.
Stamping: During stamping, a controlled force is applied to a stainless steel sheet using dies and punches. This pressure works by bending, stretching and shaping the stainless steel material into the desired geometry. This process can include forming complex parts in one go or stamping in a step-by-step manner.
Forming and Trimming: Other forming techniques such as embossing, embossing or deep drawing can be used to achieve specific features. After forming, excess material can be trimmed away using precision cutting tools.
Surface Treatment and Finishing: Depending on the application, stainless steel stamped parts can be passivated, electropolished or coated to improve their corrosion resistance and appearance.
