On the market, stainless steel products are available in various shapes and forms to cater to different applications and industries. The most commonly found stainless steel shapes include:

1. Plates: Stainless steel plates are flat, large surfaces that come in various thicknesses and sizes. They are used in a wide range of applications, such as construction, shipbuilding, and manufacturing.

2. Pipes: Stainless steel pipes are hollow cylinders that are used to transport fluids, gases, or solids. They are widely used in the oil and gas industry, chemical processing, and plumbing.

3. Bars: Stainless steel bars are solid, cylindrical shapes that come in various diameters and lengths. They are used in manufacturing, construction, and engineering applications.

4. Sheets: Stainless steel sheets are similar to plates but are thinner and more flexible. They are commonly used in the automotive industry, appliance manufacturing, and architectural applications.

5. Coils: Stainless steel coils are long, continuous strips of stainless steel that are wound into a coil shape. They are used in the production of pipes, tubes, and other formed parts.

6. Tubes: Stainless steel tubes are hollow, cylindrical shapes with a variety of diameters and wall thicknesses. They are used in HVAC systems, automotive exhaust systems, and structural applications.

7. Profiles: Stainless steel profiles are custom shapes that are cut, bent, or formed from stainless steel sheet or plate. They are used in a variety of applications, such as machinery manufacturing and architectural elements.

8. Fittings: Stainless steel fittings are components used to join or connect stainless steel pipes and tubes. They are available in a range of types, such as elbows, tees, and reducers.

These are just some of the most common shapes of stainless steel products available on the market. The specific shape and form required will depend on the application and the design specifications of the project.