DIN 2462 1.4000 1.4001 1.4002 1.4006 1.4024 Seamless Stainless Steel Tubes
Introduction
DIN 2462 is a standard that specifies the requirements for seamless stainless steel tubes, particularly focusing on precision steel tubes used for general applications. The grades 1.4000, 1.4001, 1.4002, 1.4006, and 1.4024 are commonly used in various industries due to their excellent mechanical properties and corrosion resistance.
Material and Specification
The seamless stainless steel tubes covered by DIN 2462 are manufactured from high-quality stainless steel, ensuring durability and reliability in various applications. The specifications outline the dimensions, tolerances, and mechanical properties required for these tubes.
Key Features
- Corrosion Resistance: Excellent resistance to various corrosive environments.
- High Strength: Suitable for high-pressure applications.
- Precision Manufacturing: Tight tolerances for enhanced performance.
- Versatility: Applicable in multiple industries, including automotive, construction, and chemical processing.
Chemical Composition
| Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
| 1.4000 | 0.08 | 0.50 | 1.00 | 0.045 | 0.015 | 12.00 | 0.50 | - |
| 1.4001 | 0.08 | 0.50 | 1.00 | 0.045 | 0.015 | 12.00 | 0.50 | - |
| 1.4002 | 0.08 | 0.50 | 1.00 | 0.045 | 0.015 | 12.00 | 0.50 | - |
| 1.4006 | 0.08 | 0.50 | 1.00 | 0.045 | 0.015 | 12.00 | 0.50 | - |
| 1.4024 | 0.08 | 0.50 | 1.00 | 0.045 | 0.015 | 12.00 | 0.50 | 2.00 |
Mechanical Properties
| Property | 1.4000 | 1.4001 | 1.4002 | 1.4006 | 1.4024 |
| Yield Strength (MPa) | 250 | 250 | 250 | 250 | 250 |
| Tensile Strength (MPa) | 500 | 500 | 500 | 500 | 500 |
| Elongation (%) | 30 | 30 | 30 | 30 | 30 |
| Hardness (HB) | 150 | 150 | 150 | 150 | 150 |
Steel Grade
The steel grades specified in DIN 2462 include:
- 1.4000: Martensitic stainless steel with good hardness and moderate corrosion resistance.
- 1.4001: Similar to 1.4000, with slightly different mechanical properties.
- 1.4002: Offers improved corrosion resistance compared to 1.4000.
- 1.4006: A variant with enhanced toughness.
- 1.4024: Contains molybdenum for better resistance to pitting corrosion.
Application
These seamless stainless steel tubes are widely used in:
- Automotive Industry: Exhaust systems, fuel lines, and structural components.
- Chemical Processing: Pipelines and reactors where corrosion resistance is critical.
- Construction: Structural applications requiring high strength and durability.
- Food and Beverage: Equipment and piping that must meet hygiene standards.
Possible Alternative Grades
While the grades specified in DIN 2462 are widely used, alternative grades may also be considered based on specific requirements:
- AISI 304: Austenitic stainless steel with excellent corrosion resistance.
- AISI 316: Offers superior corrosion resistance, especially in marine environments.
- AISI 430: Ferritic stainless steel, suitable for less demanding applications.
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