Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A270 / A270M TP316L Stainless Steel Sanitary Tubing U Bend Tube
ASTM A270 standard primarily pertains to stainless steel sanitary tubing. It specifies the requirements for welded and seamless austenitic and duplex stainless steel sanitary tubing intended for use in the dairy and food industry and having special surface finishes. Stainless steel sanitary tubes are available in various grades and configurations, allowing for versatility in meeting specific application requirements. Different grades may be chosen based on factors such as temperature, pressure, and the nature of the fluids being transported.
The A270 TP316L U tube is available in a range of sizes and wall thicknesses, and it can be customized to meet specific requirements. It is typically supplied in annealed and pickled condition, and it can be polished to a variety of finishes, including 180 grit, 240 grit, and 320 grit.
ASTM A270 Sanitary Stainless Steel Tube Size Range
ASTM A270 sanitary stainless pipe usually refers to the small pipe diameters, normally from 1/2” to 2 1/2”, thickness from 0.049 in (1.24mm) to 0.15 in (3.81mm). Length can be fixed or random
The maximum outer diameter of ASTM A270 tubing is 12 inches (304.8 mm).
ASTM A270 tubing using inch-pound as the standard unit of measure.
Wall thickness tolerance shall not vary more than 12.5%.
|
Tolerance | a) Outer Diameter: +/- 0.2mm |
| b) Thickness: +/- 0.02mm | |
| c) Length: +/- 5mm | |
| End | PE/Plain Ends, BE/Beveled Ends |
| Technique | cold drawn |
| Application | chemical industry, decoration, building, Food plant, etc. |
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
ASTM A270 TP316L Stainless Steel Tubing Chemical Composition
| GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
ASTM A270 TP316L Stainless Steel Tubing Mechanical Properties
| Material | Heat | Temperure º F(º C) | Tensile Strength | Yield Strength | Elongation %, Min |
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
ASTM A270 TP316L Stainless Steel Tubing Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| ASTM A270 TP316L | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
The advantage of using stainless steel sanitary tubes
Corrosion Resistance: Stainless steel is highly resistant to corrosion, making it ideal for applications where contact with corrosive substances is common. This property ensures the longevity and reliability of sanitary tubes in harsh environments.
Hygienic Design: Stainless steel sanitary tubes are specifically designed to meet strict hygiene standards. The smooth, non-porous surface of stainless steel prevents the accumulation of bacteria, facilitating easy cleaning and sterilization. This is essential in industries such as food and beverage, pharmaceuticals, and biotechnology.
Ease of Cleaning: The smooth surface of stainless steel is easy to clean and sanitize, reducing the risk of contamination. This is particularly important in applications where maintaining a sterile environment is critical.
High Temperature Resistance: Stainless steel can withstand high temperatures without significant degradation. This property is valuable in applications where elevated temperatures are encountered, such as in food processing or pharmaceutical manufacturing.
Strength and Durability: Stainless steel provides high strength and durability, ensuring that sanitary tubes can withstand mechanical stress, pressure, and other challenges in industrial processes.
Chemical Resistance: Stainless steel exhibits resistance to a wide range of chemicals, making it suitable for applications involving exposure to various fluids.
Compliance with Standards: Sanitary tubes are often manufactured to meet specific industry standards, ensuring compliance with regulations and guidelines for hygiene and quality. This compliance is crucial, especially in industries like pharmaceuticals and food processing.
Low Maintenance Requirements: Stainless steel requires minimal maintenance due to its resistance to corrosion and durable nature. This can result in cost savings over the long term.
Long Service Life: The combination of corrosion resistance, hygienic design, and durability contributes to a long service life for stainless steel sanitary tubes, making them a reliable choice in critical applications.
Application
1.Industrial hydraulic
2.Automobile industry
3.Industrial machinery industry
4.Industrial automation
5.Rail transit
6.Heat exchange
7.Seamless pipe
8.Decoration works
9.Other
