ASTM A269 TP316L Austenitic Stainless Steel Coil Tubing For General Service
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
|
Element |
TP316 (S31600) |
TP316L (S31603) |
TP316LN (S31653) |
TP316H (S31655) |
|
Carbon (C) |
≤0.08 |
≤0.035 |
≤0.035 |
≤0.030 |
|
Manganese (Mn) |
≤2.00 |
≤2.00 |
≤2.00 |
≤2.00 |
|
Phosphorus (P) |
≤0.045 |
≤0.045 |
≤0.045 |
≤0.045 |
|
Sulfur (S) |
≤0.030 |
≤0.030 |
≤0.030 |
≤0.015 |
|
Silicon (Si) |
≤1.00 |
≤1.00 |
≤1.00 |
≤1.00 |
|
Nickel (Ni) |
10.0–14.0 |
10.0–15.0 |
10.0–13.0 |
8.0–9.5 |
|
Chromium (Cr) |
16.0–18.0 |
16.0–18.0 |
16.0–18.0 |
19.5–20.5 |
|
Molybdenum (Mo) |
2.00–3.00 |
2.00–3.00 |
2.00–3.00 |
0.5–1.5 |
|
Nitrogen (N) |
— |
— |
0.10–0.16 |
0.14–0.25 |
|
Copper (Cu) |
— |
— |
— |
1 |
Heat Treatment & Hardness Requirements for 316 Series Stainless Steels
|
Grade |
UNS Number |
Solution Treatment Temperature |
Hardness, max |
|
TP316 |
S31600 |
1900°F [1040°C] |
192 HBW / 200 HV or 90 HRB |
|
TP316L |
S31603 |
1900°F [1040°C] |
192 HBW / 200 HV or 90 HRB |
|
TP316N |
S31653 |
1900°F [1040°C] |
192 HBW / 200 HV or 90 HRB |
|
TP316LN |
S31655 |
1900°F [1040°C] |
256 HBW or 100 HRB |
ASTM A269 TP316L Austenitic Stainless Steel Coil Tubing – Applications
- Chemical & Petrochemical: Ideal for heat exchangers, condensers, and reactor piping, resistant to acids, alkalis, and chloride-containing environments.
- Pharmaceutical & Biotech: Complies with hygienic standards, suitable for clean fluid transfer, sterilization systems, and bioreactor tubing.
- Food & Beverage: Used in dairy, juice processing, and CIP (clean-in-place) systems, ensuring contamination-free and corrosion-resistant performance.
- Energy & Power: Applied in desalination plants, nuclear power auxiliary systems, and other environments requiring resistance to pitting and stress corrosion cracking.
- Marine & Offshore: Suitable for seawater cooling systems, desalination units, and other high-salinity applications.
- 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
- Superior Corrosion Resistance – Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC), particularly in chloride and acidic environments.
- High-Temperature & Cryogenic Durability – Maintains strength and toughness in both elevated and sub-zero temperatures.
- Low Carbon Content (≤0.03% C) – Reduces carbide precipitation during welding, minimizing sensitization and ensuring weldability without intergranular corrosion.
- Excellent Formability & Bendability – Austenitic structure allows for easy coiling, bending, and fabrication without cracking.
- Hygienic & Easy to Clean – Smooth surface finish prevents bacterial buildup, making it ideal for food, pharmaceutical, and medical applications.
- Long Service Life & Low Maintenance – Resistant to oxidation, scaling, and chemical degradation, reducing downtime and replacement costs.
- Versatile Applications – Suitable for chemical processing, marine, energy, and sanitary industries due to its balanced mechanical and corrosion-resistant properties.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.