YUHONG HOLDING GROUP CO., LTD
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ASTM A269 TP316L Stainless Steel Seamless Tube For Heat Exchanger and Condenser
ASTM A269 TP316L seamless tubes are high-quality stainless steel tubes designed for use in applications requiring excellent corrosion resistance, high temperature resistance, and hygiene. These tubes are manufactured according to the ASTM A269 standard, which specifies the requirements for seamless and welded austenitic stainless steel tubes for general corrosion-resistant and high-temperature service.
Key Features of ASTM A269 TP316L Seamless Tubes:
1. Corrosion Resistance:
2. High Temperature Resistance:
3. Hygienic Properties:
4. Seamless Construction:
5. Weldability:
6.Versatility:
ASTM A269 TP316L is a low-carbon austenitic stainless steel with the following chemical composition (by weight percentage):
| Element | Composition (%) |
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 16.0 - 18.0 |
| Nickel (Ni) | 10.0 - 14.0 |
| Molybdenum (Mo) | 2.00 - 3.00 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Mechanical Properties:
ASTM A269 TP316L seamless tubes exhibit the following mechanical properties:
| Property | Value |
| Tensile Strength | ≥ 485 MPa (70,000 psi) |
| Yield Strength | ≥ 170 MPa (25,000 psi) |
| Elongation | ≥ 40% (in 2 inches or 50 mm) |
| Hardness | ≤ 95 HRB (Rockwell B Hardness) |
Key Characteristics of ASTM A269 TP316L:
1. Low Carbon Content (≤ 0.03%):
Prevents carbide precipitation during welding, ensuring excellent weldability and corrosion resistance in welded structures.
2. High Chromium and Nickel Content:
Provides excellent corrosion resistance, especially in acidic and chloride environments.
3. Molybdenum Addition:
Enhances resistance to pitting and crevice corrosion, making it suitable for harsh environments.
4. Austenitic Structure:
Offers good ductility, toughness, and formability.
Applications of ASTM A269 TP316L:
