The 1.4462 duplex stainless steel pipe, also known as DIN 1.4462 pipe or Duplex 1.4462 pipe, is made from a high-grade stainless steel material. It possesses unique mechanical properties that make it highly durable and resistant to corrosion. The AISI 1.4462 pipe is widely used in various industries due to its excellent performance. With its duplex structure, this stainless steel material, known as En 1.4462, offers enhanced strength and superior resistance to stress corrosion cracking. It is a popular choice for applications that require high corrosion resistance and toughness. The stainless 1.4462 material has been extensively tested and proven to meet industry standards for reliability and longevity. Its versatility and exceptional properties make it suitable for a wide range of applications across different sectors.
The EN standard (1.4462) refers to a type of duplex stainless steel, which is also known as X2CrNiMoN22-5-3. This material is often used in the construction of pipes, with S31803 and S32205 being two common grades of duplex stainless steel. Both of these grades possess similar properties, including high corrosion resistance and strength. S31803 is the designated grade of duplex stainless steel by the US Standard (UNS), and is also sometimes referred to as F51. Meanwhile, S32205 is another designated grade of duplex stainless steel by the US Standard (UNS) that is also known as F60.
To achieve superior quality control, various measures are taken, including strict monitoring and inspection of the production process, from procurement of raw materials to the final product. Each stage of the manufacturing process is closely monitored, and any faults or defects are immediately addressed.
The quality control process also includes various tests and analyses, such as chemical and mechanical tests, to ensure that the material properties and characteristics are within permissible limits. Additionally, the pipes are subjected to non-destructive testing to identify any hidden defects or flaws that may affect their performance.
By adhering to stringent quality control, 1.4462 duplex stainless steel pipes can meet the high demands of various industries, including the oil and gas sector, construction, and marine engineering. High-quality pipes ensure optimal performance, extended service life, and enhanced safety, making them a reliable choice for critical applications.
- High-quality raw material tube blank
- Material incoming inspection
- Once the pickling process is complete, the next step involves meticulous grinding of the tube to minimize any defects. This is an essential part of the manufacturing process that requires great attention to detail. The goal is to ensure that the tube is smooth and free of any imperfections before it goes on to the next stage. By taking these steps, the manufacturer can create a high-quality product that meets the needs of its customers.
- Multiple cold drawing, rolling precision size
- Solution heat treatment is commonly used to improve the properties of materials. Continuous annealing is a common method for achieving this treatment. It involves a continuous production process that applies heat to the material to alter its structure, resulting in improved properties. With continuous annealing, materials can be treated more efficiently and with greater consistency than with other methods. This makes it a popular choice for manufacturers in many industries. By carefully controlling the temperature and duration of the heat treatment, materials can be made stronger, more ductile, and more resistant to corrosion, among other benefits.
- In the production process, it is important to conduct inspections to ensure the quality of the final product. Various methods are utilized for this purpose, including ET (Eddy Current Testing), UT (Ultrasonic Testing), hydrostatic testing, penetration testing, grinding, sandblasting, and printing production.
ET and UT are non-destructive testing methods used to detect defects or inconsistencies in materials. ET utilizes electromagnetic induction to identify surface or subsurface flaws, while UT uses ultrasound waves to examine the internal structure of the material.
Hydrostatic testing involves subjecting the product or material to high-pressure water or liquid to check for leaks or weaknesses. This method is commonly used in the evaluation of pipes, valves, and containers.
Penetration testing is a procedure where a material is subjected to a test substance that can indicate defects or flaws. It involves applying a liquid or paste to the surface and observing if it penetrates or infiltrates the material, highlighting any irregularities.
Grinding is a process utilized to smoothen or reshape the surface of a material or product. This can be done through the use of abrasive tools or machinery, which removes excess material or corrects imperfections.
Sandblasting is a technique whereby a fine stream of sand or other abrasive material is forcefully propelled against a surface, removing contaminants or creating a desired texture. It is commonly used in cleaning, finishing, and preparing materials for further processing.
Printing production refers to the manufacturing of printed materials, such as books, magazines, or packaging. It involves various stages, including design, prepress, printing, and post-printing operations, to deliver high-quality finished products.
These inspection and production methods play a crucial role in ensuring the integrity, quality, and reliability of the final product. By employing these techniques, manufacturers can identify and address any issues or defects, guaranteeing customer satisfaction and compliance with industry standards.
DIN 1.4462 Pipe Specifications
| Specifications | ASTM A789 / ASME SA 789 |
| ASTM A790 / ASME SA 790 | |
| ASTM A999 / ASME SA 999 | |
| ASTM A928 / ASME SA 928 | |
| Standard | DIN, JIS, ASTM, EN, GB, AISI, ASME |
| Thickness | 0.3mm – 50 mm |
| Welded Pipe size | 5.0 mm – 1219.2 mm |
| Seamless Pipe OD | 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB |
| EFW Pipe size | 5.0 mm – 1219.2 mm |
| Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Seamless Tube Size | 3.35 mm OD To 101.6 mm OD, 15 NB to 150 NB IN |
| Tubing wall thickness | We offer a range of wall thicknesses for our products, with the standard range being 0.020″ to 0.220″. We also have special options available if needed. Whether you require a specific thickness or need help choosing the appropriate option, our team is here to assist you. Rest assured, our products are built to the highest quality standards to ensure optimal performance and durability. |
| Pipe & Tube Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Pipe Finish | Polished, AP, BA, MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish |
| Pipe Length | Single Random, Double Random, Standard & Cut length |
Key Features of 1.4462 Duplex Stainless Steel Pipe:
- Corrosion resistance: Duplex stainless steels including DIN 1.4462 have good resistance to localized corrosion such as pitting and crevice corrosion. They are also resistant to stress corrosion cracking, making them suitable for offshore and marine applications.
- Strength: Compared with austenitic stainless steel, Duplex 1.4462 pipe has higher strength. It has an excellent tensile strength of 620-655 MPA and a yield strength of 450 MPA, allowing for thinner wall thickness and lighter pipe without compromising performance.
- Weldability: Duplex stainless steel can be easily welded using common welding techniques. However, proper procedures must be followed to ensure weld integrity and avoid harmful phase formation.
- High-temperature resistance: Duplex 1.4462 pipe has good thermal conductivity and can withstand high temperatures without significantly reducing mechanical properties.
1.4462 Duplex Stainless Steel Pipe Suppliers
Our company HT PIPE is a professional 1.4462 duplex stainless steel pipe supplier, that strictly controls product quality, and the price of 1.4462 pipes is beautiful. When selecting and sourcing AISI 1.4462 duplex stainless steel pipe, we ensure that the pipe complies with relevant standards and specifications such as ASTM A790, ASTM A928, or EN 10216-5.
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