Introduction: The Ubiquity and Versatility of Stainless Steel

Stainless steel stands as a material of choice across multiple industries, from automobiles to home building. Yet, its specialized attributes and the factors to consider when choosing quality stainless steel for specialized tasks like deep-drawing stamping often remain a mystery. This guide aims to unravel the complexities of this vital alloy.

The Makeup of Stainless Steel: What Is It?

At its core, stainless steel is an alloy made primarily of iron and enriched with at least 10.5% chromium. The blend may also include additional elements like copper, nickel, molybdenum, sulfur, and nitrogen. It’s the chromium that provides stainless steel with its most prized characteristic: remarkable resistance to oxidation and corrosion.

Why Stainless Steel Costs More

This alloy’s superior anti-corrosion and wear-resistant features make it more expensive than other steel types. As a result, consumers should exercise caution when choosing the type of stainless steel that fits their needs.

Common Types of Stainless Steel: A Quick Rundown

Austenitic Stainless Steel

Prevalent mainly in China, this category features around 7% nickel, 16% chromium, and less than 0.08% carbon. Known for its high corrosion resistance and non-magnetic nature, this type of stainless steel is widely used in household appliances, shipping, and construction.

Ferritic Stainless Steel

This variant resembles low-carbon steel but has less carbon and gains its edge in corrosion resistance from its 12-17% chromium content. It’s frequently found in household appliances like washing machines and boilers.

Duplex Stainless Steel

Combining the qualities of austenitic and ferritic steels, duplex stainless steel has less nickel and offers great strength. It’s commonly used in high-stress industries like petrochemicals and shipbuilding.

Martensitic Stainless Steel

With 11–13% chromium, martensitic steel is hard and strong but has variable corrosion resistance. It’s usually used for manufacturing items that require sharpness, such as blades.

Pros and Cons of Stainless Steel


Stainless steel is overtaking iron-based products in various sectors including medical, appliances, and industrial manufacturing for several reasons:

  • High resistance to oxidation and corrosion, improving product lifespan and quality.
  • Safe for human health and highly resistant to rust.
  • High tensile strength, thermal resistance, and ductility, making it useful in harsh conditions, such as in industrial kitchens and machinery.


The primary downside is its cost, as stainless steel is generally more expensive than other steel variants.

Industries Relying on Stainless Steel

From cutlery and cookware to large-scale applications in chemical plants, paper mills, and shipbuilding, stainless steel’s versatility makes it indispensable across a wide array of sectors.

Choosing Quality Stainless Steel for Deep-Drawing Stamping

In specific applications like deep-drawing stamping in the automotive sector, it’s crucial to adhere to set thickness requirements. The surface finish must also be impeccable, as any imperfections are generally irreversible and affect the visual quality of the product. Additionally, the alloy should meet stringent requirements for tensile strength, yield stress, and elongation to avoid issues during the manufacturing process, such as breakage that leads to increased costs.

Stainless Steel
Stainless Steel