ASTM A312 TP317 317L Stainless Steel Seamless Pipe Cold Drawing
What is A312 TP317/TP317L material?
A312 TP317/TP317L refers to a specific type of material used in the manufacturing of pipes. It is a grade of stainless steel that is commonly used in industries such as chemical processing, oil and gas, and power generation. The "A312" designation indicates that it meets the specifications outlined by ASTM A312, which is a standard specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes. The "TP317/TP317L" designation further specifies the composition and properties of the material, with TP317L being a low carbon version of TP317. These materials offer excellent corrosion resistance and high temperature strength, making them suitable for various demanding applications.
Chemical Composition Of ASTM A312 TP 317L Stainless Steel Seamless Pipe
| Element | Content (%) |
| Iron, Fe | Balance |
| Chromium, Cr | 18-20 |
| Nickel, Ni | 11-15 |
| Molybdenum, Mo | 3-4 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Phosphorous, P | 0.045 |
| Carbon, C | 0.03 |
| Sulfur, S | 0.03 |
Mechanical Properties Of ASTM A312 TP 317L Stainless Steel Seamless Pipe
| Properties | Metric | Imperial |
| Tensile strength | 595 MPa | 86300 psi |
| Yield strength | 260 MPa | 37700 psi |
| Modulus of elasticity | 200 GPa | 29000 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 55% | 55% |
| Hardness, Rockwell B | 85 | 85 |
Physical Properties Of ASTM A312 TP 317L Stainless Steel Seamless Pipe
| Specific Heat (0-100°C) | Thermal Conductivity | Thermal Expansion | Modulus Elasticity | Electrical Resistivity | Density |
| 500 | 14.6 | 16.5 | 193 | 7.4 | 7.99 |
| J.kg-1.°K-1 | W.m -1.°K-1 | mm/m/°C | GPa | μohm/cm | g/cm3 |
A312 TP317/TP317L material offers several advantages that make it a preferred choice in various industries. Here are some of its key advantages:
1. Corrosion Resistance: One of the primary advantages of A312 TP317/TP317L material is its excellent corrosion resistance. It is highly resistant to a wide range of corrosive chemicals, acids, and environments, including those found in chemical processing plants, oil refineries, and offshore platforms. This corrosion resistance helps to ensure the longevity and integrity of the piping system.
2. High Temperature Strength: The material exhibits high temperature strength, making it suitable for applications involving elevated temperatures. It can withstand the thermal stresses and pressures associated with power generation, such as in boiler systems and heat exchangers.
3. Low Carbon Content (TP317L): TP317L is a low carbon version of TP317, which offers improved resistance to sensitization and intergranular corrosion. This makes TP317L particularly suitable for applications where welding is involved, as it reduces the risk of carbide precipitation and subsequent corrosion.
4. Versatility: A312 TP317/TP317L material is versatile and can be used in various industries, including chemical processing, oil and gas, power generation, pharmaceuticals, and food and beverage. Its wide range of applications is a testament to its adaptability and reliability.
5. Longevity and Durability: The material's corrosion resistance, high temperature strength, and overall robustness contribute to its longevity and durability. It can withstand harsh operating conditions, reducing the need for frequent maintenance and replacement.
6. Hygiene and Cleanliness: In industries such as pharmaceuticals and food and beverage, A312 TP317/TP317L material meets the stringent requirements for hygiene and cleanliness. It is easy to clean, resistant to contamination, and maintains the purity of the transported fluids.
Overall, the advantages of A312 TP317/TP317L material include its corrosion resistance, high temperature strength, low carbon content (TP317L), versatility, longevity, durability, and suitability for hygienic applications. These qualities make it a reliable choice for demanding industrial applications.
The A312 TP317/TP317L material is commonly used in various applications where corrosion resistance and high temperature strength are required. Some of the typical applications include:
1. Chemical Processing: A312 TP317/TP317L pipes are used in chemical plants for handling corrosive chemicals and acids. They can withstand the harsh environments and resist corrosion, ensuring the integrity of the piping system.
2. Oil and Gas Industry: This material is utilized in oil refineries, offshore platforms, and pipelines where it can withstand the corrosive effects of oil, gas, and other fluids. It is also suitable for high-pressure and high-temperature applications in this industry.
3. Power Generation: A312 TP317/TP317L pipes are used in power plants, particularly in boiler systems and heat exchangers. They can handle the high temperatures and pressures involved in generating steam and transferring heat efficiently.
4. Pharmaceutical Industry: The material is employed in pharmaceutical manufacturing facilities where cleanliness and resistance to chemicals are crucial. It is used for transporting various fluids and maintaining the purity of the process.
5. Food and Beverage Industry: A312 TP317/TP317L pipes are utilized in food processing plants and breweries where hygiene and corrosion resistance are essential. They are suitable for transporting liquids and maintaining the quality and ety of the products.
Overall, the A312 TP317/TP317L material finds applications in industries that require reliable and durable piping systems capable of withstanding corrosive environments and high temperatures.
