Description
Production Descriptions
The A335 P91 Seamless Pipe is a high-grade alloy steel pipe designed for demanding high-temperature applications. Compliant with ASTM A335 and ASME SA335 standards, it excels in boilers, heat exchangers, superheaters, and pressure vessels.
Applications
- High-temperature services
- Boilers
- Heat exchangers
- Superheaters
- Pressure vessels
Chemical Composition A335 P91 Seamless Pipe
Element | Composition (%) |
---|---|
Carbon (C) | 0.08 - 0.12 |
Manganese (Mn) | 0.30 - 0.60 |
Silicon (Si) | 0.20 - 0.50 |
Phosphorus (P) | 0.020 max |
Sulfur (S) | 0.010 max |
Chromium (Cr) | 8.00 - 9.50 |
Molybdenum (Mo) | 0.85 - 1.05 |
Nickel (Ni) | 0.40 max |
Aluminum (Al) | 0.02 max |
Vanadium (V) | 0.18 - 0.25 |
Nitrogen (N) | 0.03 - 0.07 |
Mechanical Properties A335 P91 Seamless Pipe
Property | Value |
---|---|
Tensile Strength | 585 MPa (84,800 psi) min |
Yield Strength | 415 MPa (60,200 psi) min |
Elongation | 20% min |
Hardness (Brinell) | 250 HB max |
Hardness (Rockwell C) | 25 HRC max |
Impact Energy (Charpy V-Notch) | 27 J (20 ft-lbf) min at 20°C (68°F) |
Conclusion
A335 P91 Seamless Pipes offer superior strength and performance in high-temperature environments, making them ideal for critical industrial applications. Emirerri Steel delivers these pipes with a commitment to quality and reliability, meeting the diverse needs of our customers worldwide.
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