Stainless steel is one of the most widely used metals in the world thanks to its exceptional strength, corrosion resistance, and clean, modern appearance. But what is stainless steel used for, exactly? From architectural interiors and commercial buildings to industrial equipment and consumer products, the many uses of stainless steel span nearly every major industry.
At Polished Metals, stainless steel is one of the most frequently finished materials we work with. This is especially true for projects that demand durability, consistency, and a refined aesthetic. Below, we explore why stainless steel is so popular, the types commonly used, and the many applications where it excels.
Why Stainless Steel Is So Widely Used
Stainless steel is an alloy made primarily from iron, with chromium added to enhance corrosion resistance. This chromium content allows stainless steel to form a thin, protective oxide layer on its surface, preventing rust and degradation even in demanding environments.
Some of the most important reasons stainless steel is used so extensively include:
- Excellent corrosion and rust resistance
- High strength and durability
- Easy maintenance and long lifespan
- Ability to take a wide range of finishes, from brushed to mirror-polished
- A clean, modern appearance suitable for both functional and decorative applications
Because of this balance of performance and aesthetics, stainless steel is often the material of choice for commercial, architectural, and industrial projects.
What Is Stainless Steel Used For?
Stainless steel has a wide range of uses across an assortment of industries, with applications including: 
- Architectural interiors and exterior cladding
- Elevator and escalator interiors
- Food processing and commercial kitchens
- Medical and laboratory equipment
- Industrial machinery and manufacturing components
- Railings, handrails, and safety barriers
- Signage, trim, and decorative panels
Its ability to perform in both high-traffic and highly regulated environments makes stainless steel one of the most versatile metals available today.
Stainless Steel Products and Finishes
Stainless steel is available in many product forms, allowing it to be used across a wide variety of design and engineering needs. At Polished Metals, we regularly finish stainless steel products such as:
- Sheets and plates
- Tubing and pipe
- Bars, angles, and channels
- Custom-fabricated components
These products can be finished to meet both aesthetic and functional requirements, including brushed, satin, and mirror-polished surfaces. For more information on the shapes and forms available, visit our stainless steel products page.
Common Types of Stainless Steel
While there are many stainless steel grades, some are more commonly used than others depending on performance needs and environment.
304 Stainless Steel
304 stainless steel is the most widely used stainless steel grade across industries. It offers excellent corrosion resistance, strong mechanical properties, and outstanding versatility, making it suitable for both decorative and industrial applications.
This grade is commonly used for:
- Architectural panels and trim
- Interior metal design features
- Food-grade equipment and surfaces
- Commercial building components
Because of its balance of strength, corrosion resistance, and workability, 304 stainless steel is frequently specified for projects requiring reliability and consistency. To learn more about this grade, visit our in-depth blog on 304 stainless steel.
Other Stainless Steel Grades
Other grades of stainless steel may be selected when higher strength, enhanced corrosion resistance, or specialized performance is required. The specific grade chosen often depends on environmental exposure, fabrication needs, and finishing requirements.
Architectural and Interior Stainless Steel Use
One of the most visible applications of stainless steel is in architecture and interior design, particularly in commercial spaces. Designers and architects rely on stainless steel for:
- Elevator and escalator interiors
- Lobby wall panels and columns
- Handrails and balustrades
- Decorative trim and accents
Its reflective qualities enhance lighting and space perception, while its durability ensures long-term performance in high-traffic environments.
Polished Metals: Your Partner for Stainless Steel Finishing
Stainless steel continues to be a cornerstone material across countless industries—and finishing plays a critical role in how it performs and appears. At Polished Metals, we bring decades of experience finishing stainless steel products for architectural, commercial, and industrial applications.
With a broad stainless steel inventory, a fully equipped 50,000-square-foot facility, and a commitment to quality at every stage, our team delivers consistent, high-end results tailored to each project’s needs.
If you’re planning a project involving stainless steel and want expert guidance on finishing options, materials, or capabilities, reach out to Polished Metals today to request a quote or start a conversation.