SUS 304 Hairline

 

Steel grade	SUS201	SUS304	SUS316	SUS430
Elongation（10%）	50-60	Above 40	30 min	Above 22
Hardness	HRB100,HV230	less than 200HV	Lower than 200hv	Lower than 200
Cr(%)	16-18	18-20	16-18	16-18
Ni(%)	0.5-1.5	8-11	10-14	0.6
C(%)	less than 0.15	less than 0.08	0.07	0.1

 

 

Yes, SUS 304 is a type of stainless steel. The term "SUS" stands for "Steel Use Stainless" or "Stainless Steel" in the Japanese Industrial Standards (JIS), which are widely used standards for defining various industrial products in Japan. "304" refers to the specific grade of stainless steel.

 

● Composition: SUS 304 is an austenitic stainless steel grade. It is composed primarily of iron, chromium (18-20%), and nickel (8-10.5%). Small amounts of other elements like carbon, silicon, and manganese are also present.

● Properties: SUS 304 stainless steel is known for its excellent corrosion resistance, making it suitable for a wide range of applications, including kitchen appliances, cookware, food processing equipment, and architectural components. It also offers good strength and durability at both high and low temperatures.

● Aesthetic Appeal: SUS 304 has a bright, clean, and shiny appearance that makes it a popular choice for decorative applications. It can be easily polished to a reflective finish, contributing to its aesthetic appeal.

● Applications: Due to its corrosion resistance, versatility, and aesthetic qualities, SUS 304 is used in various industries. It's commonly found in household items, industrial equipment, medical instruments, automotive parts, and more.

● Fabrication: SUS 304 stainless steel is relatively easy to work with and can be welded, formed, and machined. This makes it a preferred material for manufacturers and fabricators.

● Hygiene and Food Contact: Because of its non-reactive and corrosion-resistant nature, SUS 304 is widely used in the food and beverage industry. It doesn't impart any unwanted flavors or substances to food, making it suitable for food contact surfaces.

● Comparison to Other Grades: There are various stainless steel grades with different compositions and properties. While SUS 304 is a popular and versatile grade, it's important to choose the appropriate grade based on the specific requirements of the application.

 

In summary, SUS 304 is indeed a type of stainless steel. Its combination of corrosion resistance, strength, and aesthetic appeal has made it a staple in a wide range of industries, from manufacturing and construction to household and culinary applications. If you encounter the term "SUS 304" in specifications or discussions, it refers to this specific grade of stainless steel.

 

 

The term "SUS" stands for "Steel Use Stainless" or "Stainless Steel" in the context of the Japanese Industrial Standards (JIS), which are widely used standards for defining various industrial products in Japan. The use of "SUS" to refer to stainless steel originates from the historical development of these standards and the Japanese language's influence on the naming conventions. Here's a more detailed explanation:

 

Japanese Language Influence: In the Japanese language, the term "SUSU" (スス) is used to represent stainless steel. This phonetic approximation of "stainless steel" has been integrated into industrial naming conventions.

Development of JIS Standards: The Japanese Industrial Standards (JIS) are a set of guidelines and specifications for various industrial products and processes in Japan. The JIS standards cover a wide range of industries and product categories, including metals, chemicals, electronics, and more.

Use of "SUS" in JIS Standards:

Early Adoption: When the JIS standards were being developed and established, the term "SUS" was used as an identifier for stainless steel. This abbreviation was likely chosen for its simplicity and easy recognition.

Standardization: Over time, the term "SUS" became a standardized way to refer to stainless steel in the context of JIS standards. It is used in product codes, designations, and specifications related to stainless steel.

Ease of Reference: Using an easily recognizable and concise abbreviation like "SUS" helps streamline communication within industries and among manufacturers, suppliers, and consumers. It simplifies the process of identifying and discussing stainless steel products.

Phonetic Adaptation: The phonetic resemblance between "SUSU" in Japanese and "stainless steel" in English likely played a role in the adoption of "SUS" as the identifier for stainless steel in the JIS standards.

Global Influence:

While the term "SUS" originated in the Japanese context, it has also gained recognition in international trade and discussions related to stainless steel products. As a result, you may encounter the term "SUS" in specifications, documents, and conversations related to stainless steel, especially in contexts that involve Japanese manufacturers or standards.

In summary, "SUS" is used to refer to stainless steel in the Japanese Industrial Standards (JIS), stemming from the Japanese language's phonetic approximation of "stainless steel" and the need for a standardized identifier. This abbreviation simplifies communication within industries and has also gained recognition in international trade circles.