ASTM A269 TP316L Austenitic Stainless Steel Coil Tubing for General Service

Yuhong Group supplies ​​ASTM A269 TP316L (UNS S31603) austenitic stainless steel coil tubing​​, manufactured to meet strict ​​heat treatment and hardness requirements​​ per industry standards. Our TP316L undergoes ​​1900°F (1040°C) solution annealing​​, ensuring optimal corrosion resistance and mechanical properties, with maximum hardness limited to ​​192 HBW/200 HV or 90 HRB​​ for reliable performance in general service applications.

With ​​30+ years of expertise​​, Yuhong delivers precision-engineered tubing for ​​chemical, food processing, and HVAC systems​​. Each coil is rigorously tested for ​​composition, hardness, and dimensional accuracy​​, guaranteeing compliance with ​​ASTM A269 specifications​​. Trust our globally certified solutions for durable, weldable stainless steel tubing tailored to industrial needs.

ASTM A269 TP316L Austenitic Stainless Steel Chemical Requirements

Heat Treatment & Hardness Requirements for 316 Series Stainless Steels​

​​ASTM A269 TP316L Austenitic Stainless Steel Coil Tubing – Applications​

1. ​​Chemical & Petrochemical​​: Ideal for heat exchangers, condensers, and reactor piping, resistant to acids, alkalis, and chloride-containing environments.
2. ​​Pharmaceutical & Biotech​​: Complies with hygienic standards, suitable for clean fluid transfer, sterilization systems, and bioreactor tubing.
3. ​​Food & Beverage​​: Used in dairy, juice processing, and CIP (clean-in-place) systems, ensuring contamination-free and corrosion-resistant performance.
4. ​​Energy & Power​​: Applied in desalination plants, nuclear power auxiliary systems, and other environments requiring resistance to pitting and stress corrosion cracking.
5. ​​Marine & Offshore​​: Suitable for seawater cooling systems, desalination units, and other high-salinity applications.
6. ​​Medical Equipment​​: Used in medical gas delivery, dialysis machines, and other biocompatible fluid-handling systems.

​​Advantages of ASTM A269 TP316L Austenitic Stainless Steel Coil Tubing​

1. ​​Superior Corrosion Resistance​​ – Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC), particularly in chloride and acidic environments.
2. ​​High-Temperature & Cryogenic Durability​​ – Maintains strength and toughness in both elevated and sub-zero temperatures.
3. ​​Low Carbon Content (≤0.03% C)​​ – Reduces carbide precipitation during welding, minimizing sensitization and ensuring weldability without intergranular corrosion.
4. ​​Excellent Formability & Bendability​​ – Austenitic structure allows for easy coiling, bending, and fabrication without cracking.
5. ​​Hygienic & Easy to Clean​​ – Smooth surface finish prevents bacterial buildup, making it ideal for food, pharmaceutical, and medical applications.
6. ​​Long Service Life & Low Maintenance​​ – Resistant to oxidation, scaling, and chemical degradation, reducing downtime and replacement costs.
7. ​​Versatile Applications​​ – Suitable for chemical processing, marine, energy, and sanitary industries due to its balanced mechanical and corrosion-resistant properties.