ASTM A213 TP321 stainless steel seamless tubes are essential components in heat exchanger systems, characterized by their exceptional physical properties, production dimension range, chemical composition, mechanical performance, hardness, adherence to standards (ASTM A213), inspection standards, corrosion resistance, heat treatment status, primary applications, and relevant supply cases from TJC Steel. Here's a comprehensive overview:

 

Physical Properties:

TP321 seamless tubes exhibit excellent thermal conductivity, high tensile strength, and superior corrosion resistance, ensuring efficient heat transfer and durability in demanding environments.

 

Production Dimension Range:

Available in various sizes and wall thicknesses, TP321 tubes cater to diverse heat exchanger configurations and project requirements.

 

Chemical Composition:

ASTM A213 TP321 stainless steel seamless tubes typically contain:

- Carbon: ≤0.08%

- Manganese: ≤2.00%

- Phosphorus: ≤0.045%

- Sulfur: ≤0.030%

- Silicon: ≤1.00%

- Chromium: 17.0-19.0%

- Nickel: 9.0-12.0%

- Titanium: 5xC-0.70%

 

Mechanical Properties:

- Yield Strength: ≥205 MPa

- Tensile Strength: ≥515 MPa

- Elongation: ≥40%

- Hardness: ≤ 217 HBW

 

Standard Compliance (ASTM A213):

ASTM A213 specifies the standard specifications for seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, including TP321 grade, ensuring consistency and quality in manufacturing.

 

Inspection Standards:

TP321 seamless tubes undergo rigorous inspection processes, including ultrasonic testing, eddy current testing, and visual examination, adhering to ASTM A213 standards to ensure impeccable quality and reliability.

 

Corrosion Resistance:

TP321 stainless steel offers exceptional resistance to corrosion in various corrosive environments, including acidic and chloride-containing solutions, ensuring longevity and reliability in critical applications.

 

Heat Treatment Status:

TP321 tubes are typically annealed or solution annealed to achieve desired mechanical properties and improve corrosion resistance, enhancing their suitability for heat exchanger systems operating under extreme conditions.

 

Primary Applications:

TP321 seamless tubes find extensive use in:

- Petrochemical refineries

- Chemical processing industries

- Power generation facilities

- Aerospace industry

- High-temperature furnace applications

 

TJC Steel Supply Cases:

- Petrochemical Refinery Expansion: TJC Steel supplied ASTM A213 TP321 seamless tubes for a petrochemical refinery expansion project, ensuring compliance with rigorous quality standards and reliable performance in corrosive environments.

- Chemical Plant Upgrade: TJC Steel provided TP321 tubes for a chemical plant upgrade, emphasizing durability and longevity for continuous operation under demanding conditions.

 

In summary, ASTM A213 TP321 stainless steel seamless tubes offer unmatched corrosion resistance, physical properties, and reliability, making them essential in heat exchanger applications across various industries. TJC Steel's supply cases highlight their commitment to delivering high-quality products tailored to meet customer needs and industry standards.