ASTM A312 TP316L pipe is a low-carbon, austenitic stainless steel pipe. Its excellent resistance to chloride-induced pitting, crevice corrosion, and stress corrosion cracking, along with its enhanced molybdenum content, makes it an ideal choice for the petrochemical industry. Its excellent high-temperature performance and good mechanical properties, combined with enhanced corrosion resistance in harsh environments, make it suitable for a variety of applications, including oil and gas pipelines, chemical transportation, and seawater treatment systems.
What is ASTM A312 TP316?
A312 TP316 is an austenitic stainless steel alloy. Made from a high-quality nickel, chromium, and molybdenum alloy, ASTM A312 TP316 is suitable for use in a variety of industries. This material offers excellent resistance to corrosive and oxidizing media within the system.
ASTM A312 TP316L stainless steel seamless pipe for petrochemical industry Chemical & Mechanical Properties
| ASTM A312 TP316L Pipe Chemical Composition (%) | ||||||||
| C |
Mn |
P | S |
Si |
Cr | Ni | Mo | N |
| ≤0.03% | ≤2.00% | ≤0.045% | ≤0.030% | ≤0.75% | 16.0%~18.0% | 10.0%~14.0% | 2.00%~3.00% | ≤0.1% |
ASTM A312 TP316L stainless steel seamless pipe for petrochemical industry Mechanical Properties
| Property | Standard Value (Annealed) |
| Tensile Strength | ≥485 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥40% |
| Hardness | ≤217 HB (Brinell) |
Key Features
Corrosion Resistance: The molybdenum content (2-3%) significantly improves its resistance to pitting and crevice corrosion, especially in high-chloride environments such as seawater.
Low Carbon Content: The "L" in 316L indicates a lower carbon content than standard 316, which enhances weldability and improves resistance to intergranular corrosion after welding.
High-Temperature Performance: It maintains good mechanical strength and corrosion resistance up to approximately 870°C.
Mechanical Properties: It exhibits good ductility, with a minimum tensile strength of approximately 485 MPa and a yield strength of 170 MPa.
Petrochemical Industry Applications
Pipeline: Used in oil and gas gathering and transportation pipelines.
Chemical Transportation: Suitable for transporting corrosive chemical media.
Seawater Treatment: Suitable for seawater treatment systems and condensers.
Energy Equipment: Used in heat exchangers and other high-temperature energy equipment.
Manufacturing and Quality
Seamless Pipe: Manufactured through cold working or hot working, ensuring a strong and seamless product.
Heat Treatment: Pipes are rapidly cooled from the heat-treated state to ensure the desired properties and are free of scale.
Finishing: Typically includes annealing and pickling to create a clean, smooth, and corrosion-resistant surface.
Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including 304, 316, 321, 904, 904L, 2205 Duplex, 2205 Duplex, and 316L stainless steel. Gnee Steel's products are widely used in the kitchen, aerospace, chemical, power, automotive, and nuclear energy sectors. We also provide custom stainless steel solutions tailored to customer needs. For stainless steel pricing or custom alloy solutions, please email ru@gneesteelgroup.com for a quote.
