Stainless steel seamless pipes are vital components in various industrial applications, renowned for their durability, corrosion resistance, and versatility. Among the plethora of stainless steel grades available, JIS G3459 SUS304 stands out as a prime choice for its exceptional properties and wide-ranging applications.

 

Chemical Composition:

SUS304 stainless steel seamless pipes conform to the chemical composition standards outlined in JIS G4303. It typically consists of:

 

- Carbon (C): ≤ 0.08%

- Silicon (Si): ≤ 1.00%

- Manganese (Mn): ≤ 2.00%

- Phosphorus (P): ≤ 0.045%

- Sulfur (S): ≤ 0.030%

- Chromium (Cr): 18.00% - 20.00%

- Nickel (Ni): 8.00% - 10.50%

 

Mechanical Properties:

- Tensile Strength: ≥ 520 MPa

- Yield Strength: ≥ 205 MPa

- Elongation: ≥ 40%

- Hardness: ≤ 201 HBW

 

Inspection and Testing Standards:

JIS G3459 SUS304 seamless pipes undergo rigorous quality checks, including non-destructive testing methods like ultrasonic examination to ensure structural integrity and reliability.

 

Heat Treatment Condition:

SUS304 stainless steel seamless pipes are commonly supplied in the annealed condition to optimize their machinability and formability.

 

Impact Temperature:

SUS304 seamless pipes exhibit excellent toughness and can withstand impact at temperatures ranging from -196°C to 800°C, making them suitable for diverse operating environments.

 

Main Applications:

- Chemical industry: Chemical processing equipment, storage tanks, pipelines.

- Food industry: Food processing equipment, brewing tanks, dairy machinery.

- Petrochemical industry: Oil and gas pipelines, refinery equipment.

- Automotive industry: Exhaust systems, automotive components.

- Construction: Structural components, architectural fixtures.

 

Size Range and Supply Cases:

- Diameter: 6 mm to 406 mm

- Wall Thickness: 0.5 mm to 20 mm

 

Relevant Supply Cases:

1. Industrial Project: Supply of SUS304 seamless pipes for a chemical plant's piping network, ensuring corrosion resistance and longevity.

2. Food Processing Facility: Provision of SUS304 seamless pipes for a dairy processing facility, meeting stringent hygiene standards and ensuring product integrity.

3. Construction Project: Delivery of SUS304 seamless pipes for the construction of architectural structures, guaranteeing structural stability and aesthetic appeal.

 

In conclusion, JIS G3459 SUS304 stainless steel seamless pipes offer an unparalleled combination of chemical stability, mechanical strength, and versatility, making them indispensable in various industries and applications. With stringent quality standards and diverse supply options, these pipes provide reliable solutions for critical infrastructure and manufacturing needs.