DIN 17175 15Mo3 Alloy Seamless Steel Pipe/Tubes
1. Product Description: DIN 17175 15Mo3 Alloy Seamless Steel Pipe/Tubes are engineered for applications that demand high levels of heat resistance and mechanical strength. These pipes and tubes are manufactured from an alloy steel that is seamless, ensuring uniform wall thickness and superior structural integrity. The 15Mo3 grade is specifically designed to offer excellent creep resistance and good weldability, making it suitable for high-temperature applications.
2. Product Parameters:
Parameter | Description |
Grade | DIN 17175 15Mo3 |
Material | Alloy Steel (Seamless) |
Standard | DIN 17175 |
Size Range | Various diameters and wall thicknesses as per DIN 17175 |
Length | Standard lengths, customizable upon request |
Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
Surface Treatment | As-rolled, annealed, or normalized |
3. Mechanical Properties:
Property | Typical Requirements |
Tensile Strength | ≥410 MPa (59,500 psi) |
Yield Strength | ≥255 MPa (37,000 psi) |
Elongation | ≥20% in 50 mm (2 in) or 4D, whichever is greater |
Hardness | Varies depending on heat treatment |
4. Chemical Composition:
Element | Typical Range (%) |
Carbon | 0.12 - 0.20 |
Manganese | ≤1.00 |
Phosphorus | ≤0.025 |
Sulfur | ≤0.025 |
Silicon | ≤0.50 |
Chromium | ≤0.50 |
Molybdenum | ≤0.50 |
5. Product Applications:
- Boiler Tubes: Used for steam generation in high-pressure boilers.
- Heat Exchangers: Ideal for use in heat exchangers operating under high pressure and temperature.
- Superheater Tubes: Employed in superheater sections to raise steam temperature.
- Pressure Vessels: Suitable for construction of high-pressure vessels and reactors.
- Gas and Oil Industry: Utilized in pipelines and equipment for oil and natural gas transport in high-temperature environments.


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