Description
DIN 2609 Grade 15MO3 Seamless Tube
Overview
DIN 2609 Grade 15MO3 Seamless Tubes are high-performance tubes manufactured under the DIN 2609 standard, primarily designed for applications involving high temperatures and pressures. This alloy steel grade, known for its excellent mechanical properties and thermal stability, is commonly used in the manufacturing of boiler tubes, heat exchangers, and other industrial equipment that require durability and resistance to thermal fatigue.
Table of Contents
- Introduction
- Specifications and Dimensions
- Mechanical Properties
- Material Composition
- Manufacturing Process
- Applications
- Grades and Equivalents
- Conclusion
1. Introduction
DIN 2609 Grade 15MO3 Seamless Tubes are recognized for their robust structural integrity and ability to withstand extreme conditions. These tubes are particularly suited for applications where resistance to high pressure and temperature is essential. Their seamless design enhances reliability, as there are no welded seams that can compromise performance under stress.
2. Specifications and Dimensions
- Outer Diameter: Available from 12mm to 325mm.
- Wall Thickness: Ranges from 2mm to 30mm.
- Length Options: Typically available in standard lengths of 6 meters, with custom lengths upon request.
- End Types: Available in plain or beveled ends for easy installation.
3. Mechanical Properties
| Property | Value |
|---|---|
| Minimum Yield Strength | 295 MPa |
| Minimum Tensile Strength | 450 MPa |
| Elongation | ≥ 20% |
4. Material Composition
The typical composition of DIN 2609 Grade 15MO3 Seamless Tubes includes:
- Carbon (C): 0.12% – 0.20%
- Silicon (Si): 0.40% max
- Manganese (Mn): 0.50% – 0.80%
- Chromium (Cr): 0.90% – 1.20%
- Molybdenum (Mo): 0.25% – 0.35%
- Phosphorus (P): 0.025% max
- Sulfur (S): 0.015% max
5. Manufacturing Process
DIN 2609 Grade 15MO3 Seamless Tubes are produced through a seamless manufacturing process, which involves heating steel billets and piercing them to create hollow tubes. The tubes are then elongated and further processed through various forming and heat treatment stages to achieve the desired dimensions and mechanical properties. This process ensures uniform thickness and excellent strength throughout the tube.
6. Applications
DIN 2609 Grade 15MO3 Seamless Tubes are commonly used in several critical applications, including:
- Boiler Manufacturing: Ideal for constructing boiler components that require high-temperature resistance.
- Heat Exchangers: Used in heat exchangers due to their ability to withstand thermal stress.
- Petrochemical Industry: Employed in the manufacturing of equipment that operates under extreme pressure and temperature.
- Power Generation: Commonly found in power plants, particularly in steam generation and distribution systems.
- Nuclear Industry: Suitable for use in applications requiring high integrity under severe conditions.
7. Grades and Equivalents
DIN 2609 Grade 15MO3 Seamless Tubes are equivalent to several international standards, enhancing their applicability across various industries. Common equivalents include:
- EN 10216-2: European standard for seamless steel tubes for pressure purposes.
- ASTM A335 P11: American standard for seamless ferritic alloy steel pipe for high-temperature service.
