High Elasticity Stainless Steel Strip SUS301 vs SUS304: Key Differences

08 Aug.,2025

 

In the world of metalworking and manufacturing, selecting the right material is crucial. Two popular stainless steel grades often compared are SUS301 and SUS304. Each offers unique characteristics suited for various applications. This article explores the key differences between high elasticity stainless steel strip SUS301 and SUS304, highlighting their specific advantages.

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Understanding the Basics

SUS301 Overview

SUS301 is renowned for its high elasticity and excellent spring characteristics. It is a chromium-nickel stainless steel with good corrosion resistance. This alloy is often preferred in industries requiring high strength and flexibility.

SUS304 Overview

SUS304, on the other hand, is one of the most widely used stainless steel alloys. It is primarily known for its good corrosion resistance and formability. SUS304 is ideal for commercial and industrial applications, particularly in food processing and kitchen equipment.

Key Differences

Mechanical Properties

Elasticity and Strength

The most notable difference lies in elasticity. High elasticity stainless steel strip SUS301 provides superior tensile strength compared to SUS304. This makes SUS301 more suitable for applications like springs and clips, where flexibility is crucial.

Ductility

While SUS304 offers good ductility, SUS301 takes the lead in applications requiring a balance of strength and elongation. Users often find SUS301 easier to work with in scenarios demanding robust performance.

Corrosion Resistance

Environmental Resistance

Both SUS301 and SUS304 exhibit commendable corrosion resistance. However, SUS304 features better resistance to a wider array of corrosive environments. This includes exposure to acidic conditions and a variety of chemicals.

Protective Coatings

When comparing these two grades, manufacturers often choose SUS304 when corrosion is a primary concern. SUS301 may require additional protective measures. This makes SUS301 slightly less desirable in harsher environments.

Manufacturing Flexibility

Formability and Fabrication

SUS304 excels in formability, making it a go-to choice in manufacturing processes. Its ease of fabrication allows for intricate designs and shapes, especially in architectural applications.

Spring Applications

Conversely, high elasticity stainless steel strip SUS301 is recognized for its capability to withstand repetitive stress. This property makes it preferable for spring applications. You can find SUS301 in various automotive and electronic components.

Applications

SUS301

Due to its elasticity, SUS301 is often found in:

  • Springs
  • Clips
  • Fasteners
  • Aerospace components

SUS304

SUS304, with its versatility, is widely used in:

  • Kitchen equipment
  • Food processing industries
  • Chemical processing equipment
  • Architectural elements

Conclusion

Both SUS301 and SUS304 have distinctive benefits. High elasticity stainless steel strip SUS301 is ideal for applications requiring strength and flexibility. This makes it invaluable in industries demanding precision and durability. Meanwhile, SUS304’s enhanced corrosion resistance and formability makes it the preferred choice for a wide range of commercial applications.

Understanding these key differences helps manufacturers make informed decisions based on their specific needs. Whether you need excellent elasticity or superior corrosion resistance, both grades offer reliable options. By choosing the proper stainless steel type, businesses can enhance productivity and ensure quality in their products.

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