ASTM A312 TP316L stainless steel seamless tubes for general corrosive environments
ASTM A312 TP316L stainless steel seamless tubes for general corrosive environments
ASTM A312 TP316L seamless steel pipes are made of low-carbon stainless steel with added molybdenum, offering excellent corrosion resistance, particularly suitable for chloride-rich environments such as seawater. They possess good mechanical properties, such as a minimum tensile strength of 485 MPa, making them suitable for high-temperature applications. The low carbon content improves weldability, making them a common choice in industries such as chemical, oil and gas, and shipbuilding.
What are the disadvantages of 316 stainless steel?
The main disadvantages of 316 stainless steel are: higher cost compared to other grades (such as 304); poorer workability and formability; and sensitivity to chloride ions, making it prone to corrosion in certain environments. Furthermore, 316 stainless steel presents some challenges in welding; for example, improper welding operations may lead to carbide precipitation and intergranular corrosion.
ASTM A312 TP316L Stainless Steel Seamless Pipe for General Corrosive Environments
Gnee Steel is a renowned company with outstanding performance in the metal manufacturing industry, and has long been a pioneer in providing best-in-class piping solutions. Gnee Steel focuses on stainless steel products, committed to meeting the stringent requirements of various industries. For general corrosive environments, Yuhong's ASTM A312 TP316L stainless steel seamless pipe is an ideal choice.
These pipes have a chemical composition rich in chromium, nickel, and molybdenum, and a low carbon content, thus exhibiting excellent corrosion resistance to various corrosive media. They ensure reliable performance and a long service life in general corrosive environments, meeting the needs of industries such as chemical, oil and gas, and marine engineering.
ASTM A312 TP316L Chemical Requirements
| Grade | UNS Designation | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum |
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0 - 18.0 | 10.0 - 14.0 | 2.00 - 3.00 |
ASTM A312 TP316L Tensile Requirements
| Grade | UNS Designation | Tensile Strength | Yield, min | ||
| ksi | MPa | ksi | MPa | ||
| TP316L | S31603 | 70 | 485 | 25 | 170 |
ASTM A312 TP316L Annealing Requirements
| Grade | UNS Designation | Heat Treating Temperature | Cooling/Testing Requirements |
| TP316L | S31603 | 1900 °F [1040 °C] | water or other rapid cool |
Pipe and Filler Metal Specification
| Grade | UNS Designation | Filler Metal (AWS A5.9 Class) | UNS Designation(Filler Metal) |
| TP316 | S31603 | ER316L |
S31683, W31643 |
ASTM A312 TP316L Stainless Steel Seamless Pipe, Suitable for General Corrosive Environments
1. Excellent Corrosion Resistance
Designed with molybdenum and low carbon (C ≤ 0.035%), it resists corrosion from chloride ions, acids, and alkalis, effectively preventing pitting, crevice corrosion, and intergranular corrosion.
2. Reliable Mechanical Properties
Yield strength ≥ 170 MPa, tensile strength ≥ 485 MPa. Combining strength and toughness, it can withstand pressure and impact loads in piping systems.
3. Easy to Weld
Conventional welding is possible without preheating or special welding wire, ensuring easy installation in industries such as chemical, oil and gas, and shipbuilding.
4. Long Service Life and Economical
It has a long service life in corrosive environments, reducing maintenance and replacement costs, making it more economical in the long run.
Gnee Steel specializes in the production of a wide range of stainless steel products. Gnee Steel's product packaging includes: Steel Strapping: Pipes with an outer diameter of 3 inches or less are typically strapped together with polypropylene film to prevent rust during ocean shipping, and then secured with steel strapping. Wooden Cases/Crates: Pipes are typically packaged in wooden cases or crates to protect the pipes during transportation, especially those that are longer or have larger diameters. Seaworthy Export Packaging: Suppliers typically use standard seaworthy export packaging methods, which may include a variety of materials and techniques to protect the pipes during transportation. Tarpaulin Packaging: This prevents rain, seawater, and other external factors from penetrating the export crates during transportation. Gnee Steel specializes in the production and sale of alloy materials. Gnee Steel's products are widely used in the aerospace, chemical, power, automotive, and nuclear energy sectors, and we can provide customized alloy material solutions based on customer needs. For alloy material pricing or customized alloy material solutions, please contact us for a quote: ru@gneesteelgroup.com
