ASTM A335 P1 Seamless Ferritic Alloy Steel Pipes/Tubes
1. Product Description: ASTM A335 P1 Seamless Ferritic Alloy Steel Pipes/Tubes are designed for high-temperature applications that require exceptional strength and resistance to oxidation. These pipes and tubes are manufactured from a ferritic alloy steel, which offers a unique combination of properties, including good ductility and high thermal conductivity. The seamless construction ensures a uniform wall thickness and optimal resistance to pressure.
2. Product Parameters:
| Parameter | Description |
| Grade | ASTM A335 P1 |
| Material | Ferritic Alloy Steel (Seamless) |
| Standard | ASTM A335 |
| Size Range | Various diameters and wall thicknesses as per ASTM A335 |
| 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 | ≥415 MPa (60,000 psi) |
| Yield Strength | ≥205 MPa (30,000 psi) |
| Elongation | ≥30% 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 |
| Manganese | ≤0.50 |
| Phosphorus | ≤0.025 |
| Sulfur | ≤0.025 |
| Silicon | ≤0.50 |
| Chromium | 9.00 - 11.00 |
5. Product Applications:
- Heat Exchangers: Suitable for use in heat exchangers operating under high pressure and temperature.
- Boiler Tubes: Ideal for steam generation in high-pressure boilers.
- Superheater Tubes: Employed in superheater sections to raise steam temperature.
- Pressure Vessels: Utilized in the construction of high-pressure vessels and reactors.
- Gas and Oil Industry: Used in pipelines and equipment for oil and natural gas transport.
6. Product Advantages:
- Seamless Construction: Provides a consistent material structure and eliminates potential seam-related failures.
- High-Temperature Resistance: Ferritic alloy steel offers excellent resistance to high temperatures and thermal cycling.
- Oxidation Resistance: The alloy composition provides superior resistance to oxidation at elevated temperatures.
- Corrosion Resistance: Enhanced resistance to corrosion and oxidation due to the presence of chromium.
- Long Service Life: Built to last with minimal maintenance in challenging environments.
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