ASTM A269 TP316L Seamless Stainless Steel Tubes For Heat Exchanger, Pickled And Annealed
ASTM A269 TP316L Seamless Stainless Steel Tubes For Heat Exchanger, Pickled And Annealed
ASTM A269 TP316L stainless steel seamless tube with pickled & annealed surface refers to seamless hollow steel tubes manufactured via hot extrusion + cold drawing process, strictly compliant with ASTM A269 standard, and finished with solution annealing and acid pickling treatment. This stainless steel tube features uniform metallographic structure, oxide-free clean surface, stable mechanical performance and outstanding corrosion resistance, suitable for harsh industrial working conditions with high requirements for material reliability. YUHONG GROUP provides ASTM A269/ASME SA269 TP316L stainless steel tubes for 35 years. The outer diameter mainly ranges from 3mm to 152.4mm. The tubes can be cut into fixed length according to clients' requests.
Chemical Composition of ASTM A269 TP316L (Weight,%):
| Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) |
| ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 |
Mechanical Properties of ASTM A269 TP316L (Annealed State):
| Mechanical Property | Standard Requirement |
| Tensile Strength | ≥485MPa (70ksi) |
| 0.2% Offset Yield Strength | ≥170MPa (25ksi) |
| Elongation (50mm gauge length) | ≥35% |
Common Surface Finishes:
- Pickled & Annealed Finish (AP)
- Bright Annealed Finish (BA)
- Polished Finish (Mirror/Matte Polished)
Key Product Features:
- Excellent Corrosion Resistance
- Excellent Ductility and Formability
- Outstanding Process Performance
- Creep and Rupture Strength
- Stable Metallographic And Mechanical Performance
- High Dimensional Accuracy And Sealing Performance
- Long Service Life
Main Applications:
- Chemical And Petrochemical Industry
- Marine And Offshore Engineering
- Food, Beverage & Pharmaceutical Industry
- Oil And Gas Industry
- Power And Energy Industry
- Instrumentation And Precision Engineering
- Environmental Protection
- Water Treatment
- Aerospace Industry
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