1. First, mark the secant: mark the secant to be cut on the stainless steel material with stainless steel special gauge, with a scale, marker pen or carving knife according to the drawing.

2. Secondly, tool selection: according to the thickness and hardness of stainless steel materials, choose appropriate tools, such as electric cutting machine, oxygen cutting and welding equipment, etc.

3. Cutting operation: cut the line according to the marked figure of eight, and use the selected cutting tool.

4. Final finishing and treatment: After cutting, the cutting edge can be finished and trimmed with tools such as sandpaper or grinder to make it smoother and more accurate.