DIN 17458 Stainless Steel Tube: Seamless Circular Austenitic Stainless Steel Tubes For Petrochemical
Stainless steel tubes play a crucial role in numerous industries, especially in the petrochemical sector, where durability and corrosion resistance are of utmost importance. DIN 17458 is a standard specification that outlines the requirements for seamless circular austenitic stainless steel tubes used in such applications. This article will explore the material, specifications, key features, chemical composition, mechanical properties, steel grade, applications, and possible alternative grades of DIN 17458 stainless steel tubes.
Material and Specifications
DIN 17458 covers the technical delivery conditions for seamless circular tubes made from austenitic stainless steel. These tubes are manufactured with precision and designed to withstand demanding environments in the petrochemical industry. The standard specifies the dimensions, tolerances, and technical requirements for these tubes, ensuring their quality and performance.
Key Features
The seamless circular austenitic stainless steel tubes manufactured according to DIN 17458 possess several key features that make them ideal for petrochemical applications:
- Corrosion Resistance: These tubes exhibit excellent resistance to corrosion, making them suitable for environments exposed to harsh chemicals and corrosive agents.
- High Strength: The austenitic stainless steel used in these tubes provides robust mechanical strength and structural integrity.
- Seamless Construction: The seamless manufacturing process eliminates weak points, such as welds, ensuring enhanced reliability and longevity.
- Heat Resistance: DIN 17458 stainless steel tubes offer excellent thermal stability, making them suitable for applications requiring high-temperature resistance.
- Precision Dimensional Control: The tubes are manufactured with strict adherence to dimensional tolerances, ensuring accurate and consistent performance.
Chemical Composition
| Element | Percentage Range |
| Carbon (C) | Up to 0.035% |
| Silicon (Si) | Up to 1.00% |
| Manganese (Mn) | Up to 2.00% |
| Phosphorus (P) | Up to 0.045% |
| Sulfur (S) | Up to 0.015% |
| Chromium (Cr) | 16.00% - 18.00% |
| Nickel (Ni) | 11.00% - 14.00% |
| Nitrogen (N) | Up to 0.11% |
Mechanical Properties
| Property | Minimum Value |
| Tensile Strength | 500 MPa |
| Yield Strength | 200 MPa |
| Elongation | 35% |
| Hardness (HRC) | ≤ 215 |
Steel Grade
The steel grades typically used for manufacturing DIN 17458 stainless steel tubes are AISI 304, AISI 304L, AISI 316, and AISI 316L. These grades exhibit excellent corrosion resistance, high strength, and good formability, making them suitable for petrochemical applications.
Applications
DIN 17458 stainless steel tubes find extensive applications in the petrochemical industry, including but not limited to:
- Chemical Processing: Used in the manufacturing of various chemicals and intermediate products.
- Oil Refineries: Utilized for processing crude oil into refined petroleum products.
- Gas Processing Plants: Suitable for handling and transporting various gases.
- Power Generation: Used in power plants and thermal facilities for steam and water systems.
- Pharmaceutical Industry: Employed in the production of pharmaceuticals and sterile products.
Possible Alternative Grades
Depending on specific requirements and operating conditions, alternative stainless steel grades that can be considered as alternatives to DIN 17458 tubes are AISI 321, AISI 347, and AISI 904L. These grades offer additional features such as improved high-temperature resistance or enhanced corrosion resistance in certain environments.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Product Tags:
|
|
DIN 17458 Seamless Circular Austenitic Stainless Steel Tubes For Petrochemical Images
|
