ASTM A269 TP316L Seamless Tube Austenitic Stainless Steel for Heat Exchanger & Instrumentation

ASTM A269 TP316L Seamless Tube Austenitic Stainless Steel for Heat Exchanger & Instrumentation
 
YUHONG GROUP​ is a leading manufacturer with over 35 years of industrial expertise​ and a global presence spanning 85 countries, dedicated to producing high-quality stainless steel tubing for precision applications. Our ASTM A269 TP316L Austenitic Stainless Steel Seamless Tubes​ are engineered to meet the stringent demands of the heat exchanger, instrumentation, and high-purity processing industries. Combining superior molybdenum-enhanced corrosion resistance with excellent formability and surface finish, we ensure reliable performance in demanding environments. Backed by complete traceability, international certifications, and a commitment to quality, we deliver solutions that meet the highest standards for global projects.

Chemical Composition of Grade TP316 (UNS S31600)
 

Heat Treatment and Hardness Requirements for Grade TP316L (UNS S31603)
 

Summary of Test Requirements for TP316L (UNS S31603)
 

The Application Advantages For The ASTM A213 TP316L Stainless Steel Seamless Tube
 

•   Superior Corrosion Resistance:​ The addition of Molybdenum (2-3%) provides exceptional resistance to pitting and crevice corrosion, particularly in environments containing chlorides, making it significantly more durable than standard 304 grades in chemical processing, marine, and coastal applications.
• Excellent High-Temperature Performance:​ This tube maintains high strength and oxidation resistance at elevated temperatures, making it a reliable choice for continuous service in high-pressure boilers, superheaters, and heat exchangers.
• Enhanced Weldability and Safety:​ The low carbon content (≤0.030%) minimizes carbide precipitation during welding, which greatly reduces the risk of intergranular corrosion in the heat-affected zone and ensures the integrity of welded constructions.
• Seamless Construction for Reliability:​ The seamless manufacturing process ensures a homogeneous structure with no weak seams, offering superior pressure containment, higher fatigue strength, and greater reliability for critical high-pressure and high-purity applications.
• Hygienic and Easy-Clean Surface:​ The material accepts a high-quality surface finish (e.g., Bright Annealed or Electropolished), resulting in a smooth, non-porous surface that minimizes bacterial adhesion and facilitates cleaning, which is essential for pharmaceutical, food, and beverage industries.
• Broad Industry Applicability:​ Due to its combination of properties, it is a versatile solution for a wide range of demanding sectors, including power generation, offshore oil and gas, marine engineering, and pollution control equipment