Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
Add to Cart
ASTM A335 / ASME SA335 Alloy Steel P92 Seamless Pipe Boiler Pipe
P92 is known for its remarkable strength at elevated temperatures, making it suitable for critical applications in power generation and petrochemical industries. Grade P92 is a type of chrome-molybdenum alloy, which is primarily used in high-temperature applications, such as in power plants, chemical processing and high perssure/temperature services.
Advantages of using ASTM A335 P92 Seamless Pipes:
Superior mechanical properties at high temperatures.
Specifications of Alloy Steel Seamless Pipe
| Standard | ASTM A335, ASME SA335 |
| Grade | Gr. P5, P9, P11, P12, P21, P22 , P91, P92 |
| Size | 1/2" TO 24 "IN OD & NB, can custom |
| Schedule | SCH 5- SCH XXS, can custom |
| Type | Seamless |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End |
Chemical composition(%)
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | 0.02-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | 0.30-0.60 |
Mechanical properties
| Grade | Tensile strength | Yield strength | Elongation |
| P11, P22, P5, P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
Applications
1. Power Generation:
Superheaters: Used in power plants to heat steam above its boiling point for increased efficiency.
Reheaters: Employed to reheat steam before it enters the turbine, enhancing performance.
Boiler Components: Integral in boiler systems, particularly in high-pressure environments.
2. Petrochemical Industry:
Used in refineries for transporting fluids at high temperatures and pressures.
Essential in chemical reactors where heat resistance and strength are crucial.
3. Industrial Processing:
Commonly utilized in heat exchangers, where efficient heat transfer is necessary.
Employed in fossil fuel processing, handling high-temperature fluids.
4. Chemical Plants:
A335 P92 pipes can be used in applications involving corrosive chemicals, where their high chromium content provides necessary oxidation resistance.
5. Oil and Gas:
Used in offshore and onshore drilling operations for pipelines that carry hot fluids, maintaining integrity under extreme conditions.
6. Aerospace and Defense:
Occasionally used in specialized applications that require high-strength materials under extreme conditions.
7. Marine Applications:
In some instances, A335 P92 may be used in marine environments where high temperatures and pressures occur, although this is less common than in other industries.
