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 safety 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.
