ASTM A270 TP316L stainless steel pipe for sanitary applications
ASTM A270 TP316L stainless steel pipe is ideal for sanitary applications because of its enhanced molybdenum corrosion resistance, smooth, easy-to-clean surface finish, and low carbon content that reduces corrosion of welded joints. This combination makes it suitable for industries such as dairy processing, food manufacturing and pharmaceuticals where a high level of cleaning and hygiene is critical. Key features include rigorous polishing, resistance to pitting and crevice corrosion, and can be specified in a variety of sizes as required.
What is the ASTM standard for 316 stainless steel?
The main ASTM standards for 316 stainless steel depend on the product form: ASTM A240 for plate and sheet, ASTM A276 for rod, and ASTM A479 for rod and tube. There is no single ASTM standard for the material itself because it varies in shape and application.
ASTM A270 TP316L pipe
ASTM A270 TP316L is a low carbon austenitic stainless steel sanitary pipe designed for sanitary applications in the food, beverage, dairy, pharmaceutical and biotechnology industries. It is manufactured to strict hygienic standards and offers excellent corrosion resistance, especially in chloride-rich and acidic environments. TP316L pipe is available in seamless or welded forms with a polished or electropolished surface, making it ideal for systems requiring high cleanliness, durability and corrosion resistance.
Chemical Composition of A270 TP316L Tube:
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Mechanical Properties of A270 TP316L Tube
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Physical Properties of A270 TP316L Tube
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
|---|---|---|---|---|---|
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
What you need to know about specs
Standard: ASTM A270 covers seamless and welded austenitic stainless steel pipe and pipe for sanitary installations.
Surface Finish: This standard includes specific requirements for surface roughness, with typical finishes being 20μ-in Ra (0.5um) iD and 30μ-in Ra (0.8um) OD maximum.
Material grade: TP316L has excellent corrosion resistance compared to TP304 and is the grade of choice for hygienic applications.
Testing: Tubing is frequently eddy current tested to ensure high quality and compliance with ASTM A270 specifications.
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
