ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube: Seamless Austenitic Stainless Steel Tubing For General Service
Introduction
ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube is a seamless austenitic stainless steel tubing designed for general service applications. This article provides an overview of the material, specification, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades.
Material and Specification
ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube is manufactured according to the ASTM A269 standard, which specifies the requirements for seamless and welded austenitic stainless steel tubing for general corrosion-resisting and low- or high-temperature service. The tube is available in various sizes and thicknesses to meet specific application requirements.
Key Features
- Seamless construction: The tube is produced without any welding seams, ensuring superior strength and integrity.
- Austenitic stainless steel: The material offers excellent corrosion resistance, high-temperature strength, and good formability.
- General service suitability: The tube is designed to withstand a wide range of general service applications, including corrosive environments and high-temperature conditions.
- Versatile dimensions: Available in different sizes and thicknesses, allowing for flexibility in various installation requirements.
Chemical Composition
| Element | TP304 (%) | TP316 (%) | TP317 (%) | TP321 (%) | TP347 (%) | TP348 (%) |
| Carbon | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
| Manganese | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
| Phosphorus | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 |
| Sulfur | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
| Silicon | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Chromium | 18.0-20.0 | 16.0-18.0 | 18.0-20.0 | 17.0-19.0 | 17.0-19.0 | 17.0-19.0 |
| Nickel | 8.0-11.0 | 10.0-14.0 | 11.0-14.0 | 9.0-12.0 | 9.0-13.0 | 9.0-13.0 |
| Molybdenum | - | 2.00-3.00 | - | - | - | - |
| Nitrogen | - | - | - | - | - | - |
Mechanical Properties
| Property | TP304 | TP316 | TP317 | TP321 | TP347 | TP348 |
| Tensile Strength (MPa) | ≥515 | ≥515 | ≥515 | ≥515 | ≥515 | ≥515 |
| Yield Strength (MPa) 0.2% Offset | ≥205 | ≥205 | ≥205 | ≥205 | ≥205 | ≥205 |
| Elongation (%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 |
| Hardness (Brinell) | ≤192 | ≤192 | ≤192 | ≤192 | ≤192 | ≤192 |
Steel Grade
The ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube is available in various steel grades, including TP304, TP316, TP317, TP321, TP347, and TP348. These grades offer different chemical compositions and mechanical properties to suit specific application requirements.
Application
The ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube finds application in a wide range of industries, including:
- Chemical and petrochemical processing
- Food and beverage production
- Pharmaceutical and biotechnology
- Oil and gas exploration and production
- Power generation
- Heat exchangers
- Pulp and paper industry
- Automotive and transportation
Possible Alternative Grades
While ASTM A269 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube is widely used, there are alternative grades available for specific applications. Some possible alternative grades include:
- ASTM A213 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube
- ASTM A312 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube
- ASTM A270 TP304 TP316 TP317 TP321 TP347 TP348 Stainless Steel Tube
These alternative grades may have slightly different specifications and properties, so it is important to consult the appropriate standards and consider the specific requirements of the application.
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Q: Are you trading company or manufacturer ?
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