DIN 17175 13CrMo44, 13CrMo4-5, 10CrMo910 Seamless Steel Boiler Pipes/Tubes
1. Product Description: DIN 17175 13CrMo44, 13CrMo4-5, and 10CrMo910 Seamless Steel Boiler Pipes/Tubes are designed for high-pressure boiler systems and other demanding applications that require superior heat resistance and mechanical strength. These pipes and tubes are manufactured from alloy steel with varying chromium and molybdenum content, providing excellent corrosion resistance and strength at elevated temperatures.
2. Product Parameters:
Parameter | Description |
Grades | DIN 17175 13CrMo44, 13CrMo4-5, 10CrMo910 |
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 | 13CrMo44 Requirement | 13CrMo4-5 Requirement | 10CrMo910 Requirement |
Tensile Strength | ≥440 MPa (64,000 psi) | ≥440 MPa (64,000 psi) | ≥550 MPa (80,000 psi) |
Yield Strength | ≥290 MPa (42,000 psi) | ≥290 MPa (42,000 psi) | ≥400 MPa (58,000 psi) |
Elongation | ≥20% | ≥20% | ≥20% |
Hardness | Varies depending on heat treatment | Varies depending on heat treatment | Varies depending on heat treatment |
4. Chemical Composition:
Element | Typical Range (%) for 13CrMo44 | Typical Range (%) for 13CrMo4-5 | Typical Range (%) for 10CrMo910 |
Carbon | 0.10 - 0.20 | 0.08 - 0.16 | 0.08 - 0.15 |
Chromium | 0.40 - 0.70 | 0.40 - 0.70 | 8.00 - 10.00 |
Molybdenum | 0.40 - 0.60 | 0.40 - 0.60 | 0.80 - 1.10 |
Phosphorus | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
Sulfur | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
Silicon | ≤ 0.50 | ≤ 0.50 | ≤ 0.50 |
5. Product Uses:
- Boiler Tubes: Utilized in high-pressure boilers for steam generation.
- Superheater and Reheater Tubes: Employed in superheater and reheater sections of steam power plants.
- Heat Exchangers: Suitable for use in heat exchangers operating under high pressure and temperature.
- Pressure Vessels: Ideal for construction of high-pressure vessels and reactors in petrochemical and refining industries.
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