ASTM A270 TP304 TP316 2205 2507 2003 Stainless Steel Sanitary Tubing Stainless Steel Bright Sanitary Pipe For Medical Field
Introduction
In the medical field, the use of high-quality materials is crucial to ensure the ety and reliability of various applications. ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing, also known as stainless steel bright sanitary pipe, is widely used in medical equipment and facilities. This article will provide an overview of the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of this stainless steel sanitary tubing.
Material and Specification
ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing is manufactured according to the ASTM A270 standard, which specifies the requirements for seamless and welded austenitic and ferritic/austenitic stainless steel sanitary tubing intended for use in the dairy and food industry, as well as in biotechnology, pharmaceuticals, and other sanitary applications.
The tubing is available in various sizes, ranging from 1/2 inch to 8 inches in outside diameter, with different wall thicknesses. It is commonly supplied in lengths of 20 feet, but custom lengths can also be provided.
Key Features
The stainless steel sanitary tubing offers several key features that make it suitable for medical applications:
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Corrosion Resistance: The high-quality stainless steel used in this tubing provides excellent resistance to corrosion, ensuring the integrity and longevity of medical equipment and facilities.
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Hygienic Design: The tubing is designed to meet strict hygienic standards, making it suitable for applications where cleanliness and sterility are essential, such as in pharmaceutical and biotechnology industries.
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Smooth Surface: The bright surface finish of the tubing minimizes the risk of bacterial adhesion, facilitating easy cleaning and maintenance.
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High Strength: The stainless steel material used in this tubing offers good mechanical properties, providing strength and durability for demanding medical applications.
Chemical Composition
The following table presents the chemical composition of ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing:
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | N |
| TP304 | ≤0.08 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 8.0-11.0 | 18.0-20.0 | - | - |
| TP316 | ≤0.08 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | - |
| 2205 | ≤0.03 | ≤2.00 | ≤0.030 | ≤0.020 | ≤1.00 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 | 0.14-0.20 |
| 2507 | ≤0.03 | ≤1.20 | ≤0.035 | ≤0.020 | ≤0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 |
| 2003 | ≤0.08 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 1.0-2.0 | 17.0-19.0 | 2.0-3.0 | - |
Mechanical Properties
The mechanical properties of ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing are as follows:
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| TP304 | ≥515 | ≥205 | ≥35 | ≤192 |
| TP316 | ≥515 | ≥205 | ≥35 | ≤192 |
| 2205 | ≥620 | ≥450 | ≥25 | ≤290 |
| 2507 | ≥800 | ≥550 | ≥15 | ≤310 |
| 2003 | ≥515 | ≥205 | ≥35 | ≤192 |
Steel Grade and Application
The steel grades covered by ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing are widely used in the medical field for various applications, including:
- Medical equipment manufacturing
- Pharmaceutical industry
- Biotechnology industry
- Food processing industry
- Dairy industry
- Laboratory equipment
Possible Alternative Grades
While ASTM A270 TP304, TP316, 2205, 2507, and 2003 stainless steel sanitary tubing are widely used and trusted in the medical field, there are alternative grades available depending on specific requirements. Some possible alternative grades include:
- TP321: Offers improved resistance to intergranular corrosion and higher strength at elevated temperatures.
- TP310: Provides excellent high-temperature oxidation resistance and resistance to sulfidation.
- TP904L: Known for its exceptional resistance to corrosion in a wide range of environments, including those containing sulfuric acid.
It is important to consult with experts or refer to specific standards and regulations to determine the most suitable alternative grade for a particular medical application.
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