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O que é tubo de aço inoxidável 304?

Julho 09, 2024

304 stainless steel pipe is a kind of pipe made of 304 stainless steel. 304 stainless steel is a general-purpose stainless steel, widely used in the production of equipment and parts that require good comprehensive performance (corrosion resistance and formability).  304 stainless steel is a grade of stainless steel produced according to the American ASTM standard. 304 is equivalent to my country's 0Cr19Ni9 (0Cr18Ni9) stainless steel. 304 contains 19% chromium and 9% nickel.

PROPRIEDADES Of 304 Stainless Steel Pipe:

 

Equivalent Material of 304 Stainless Steel Tube:

GRADE

UNS NÃO

VELHO BRITÂNICO

EURONORMA

SS SUECO

JIS JAPONÊS

BS

EN

NÃO

NOME

304

S30400

304S31

58E

1.4301

X5CrNi18-10

2332

SUS 304

 

Chemical Properties SS 304 Pipe:

The chemical composition of 304 stainless steel has high corrosion resistance, especially in weakly corrosive media such as air, water, steam and other environments. The main chemical composition of 304 stainless steel is as follows:

Grau

C

Mn

Si

P

S

Cr

Mo

Ni

N

304

≤ 0.08

≤ 2.0

≤ 0.75

≤ 0.045

≤ 0.030

18.0-20.0

-

8.0-10.5

≤ 0.10

 

Mechanical Properties SS 304 Tube:

These mechanical properties make 304 stainless steel perform well during processing and use, and are suitable for a variety of forming and manufacturing processes, including stamping, stretching, bending, etc. Its main mechanical properties are as follows:

Material

Resistência à Tração

Resistência ao escoamento

Elongation%, Min

Ksi (MPa), mín.

Ksi (MPa), mín.

304

75 (515)

30 (205)

35

 

What Is 304 Stainless Steel Pipe Used For?

 

Due to its excellent chemical and mechanical properties, 304 stainless steel pipes are widely used in many fields. Here are some of the main application areas:

 

▪Chemical, oil and gas industries: 304 stainless steel pipes are used to make various chemical equipment and storage tanks, pipes, heat exchangers, filters, etc.

▪Food and beverage processing: 304 stainless steel pipes are often used to manufacture food processing equipment, beverage production lines, dairy equipment, etc.

▪Pharmaceutical industry: 304 stainless steel pipes are mainly used in production equipment and piping systems.

▪Architectural decoration: 304 stainless steel pipes are used for the decoration and structure of buildings, such as railings, handrails, door and window frames, etc.

▪Household goods: 304 stainless steel pipes are used to manufacture household appliances, such as kitchen equipment, bathroom equipment, furniture, etc.

▪Automotive industry: 304 stainless steel pipes are used for exhaust systems, fuel delivery pipes, etc.

▪Aerospace: 304 stainless steel pipes are used in the aerospace field, such as the fuel delivery system and structural components of aircraft.

What Are The Advantages Of 304 Stainless Steel Pipes?

 

▪Excelente resistência à corrosão:

304 stainless steel pipe has extremely strong corrosion resistance, especially in oxidizing acids, alkali solutions and most organic and inorganic acid solutions.

▪Bom desempenho de processamento:

304 stainless steel pipe has good forming and welding properties, and can be processed by cold and hot processing for a variety of forming processes, such as stamping, stretching, bending, etc.

▪Aparência bonita:

304 stainless steel pipe has a smooth and beautiful surface, with good decorative effect, which can enhance the grade and beauty of the product.

▪Fácil de manter e limpar:

304 stainless steel pipe has a smooth surface, easy to clean and maintain, and can maintain a long service life.

 

Common Sizes Of 304 Stainless Steel Pipe:

304 stainless steel pipe has a variety of sizes and specifications, which can be selected according to different uses and needs. Here are some common size specifications:

 

🔹Outer diameter and wall thickness:

The outer diameter and wall thickness of 304 stainless steel pipe are the two main size parameters. Common outer diameter sizes range from 6 mm to 630 mm, and wall thickness ranges from 0.5 mm to 40 mm. The specific size can be selected according to specific application requirements. For example:

-Small diameter stainless steel pipe: outer diameter 6-50 mm, wall thickness 0.5-5 mm

-Medium diameter stainless steel pipe: outer diameter 50-219 mm, wall thickness 2-15 mm

-Large diameter stainless steel pipe: outer diameter 219-630 mm, wall thickness 5-40 mm

 

🔹Comprimento:

The length of 304 stainless steel pipe is generally 6 meters or 12 meters, and can also be customized according to customer needs.

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