ASTM A335 P9 Seamless Alloy Steel Tube For Fired Heater
Brand Name:YUHONG
Certification:ASME , U STAMP , TEMA, PED, API, ABS, BV, LR, DNV-GL, CCS, ISO , TS, KR
Model Number:P1, P11, P12, P22, P23, P5, P9, P91, P92 , T1, T11, T12, T22, T23, T5, T9, T91, T92
Minimum Order Quantity:1PC
Delivery Time:7----75 days
Payment Terms:T/T, L/C
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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ASTM A335 P9 Seamless Alloy Steel Tube For Fired Heater
ASTM A335 P9 is a specification for seamless ferritic alloy-steel pipes intended for high-temperature service. The P9 designation indicates a specific grade within this specification, known for its strength and ability to withstand extreme conditions.
ASTM A335 P9 Seamless Alloy Steel Tube is a high-performance material designed for challenging applications involving high temperatures and pressures. Its robust chemical composition and mechanical properties make it suitable for power generation, petrochemical, oil and gas, and industrial boiler applications. The tube's ability to withstand oxidation and corrosion in extreme environments ensures longevity and efficiency, making it a preferred choice for high-temperature service.
Chemical Composition:
| Grade | Cr | Mo | C | Mn | Si | P | S |
| A335 P9 | 8.0-10.0% | 0.90-1.10% | 0.15% max | 0.30-0.60% | 0.25-1.00% | 0.025% max | 0.025% max |
Mechanical Properties:
| Grade | Yield Strength | Tensile Strength | Elongation | Hardness |
| A335 P9 | ≥ 205 MPa (30 ksi) | ≥ 415 MPa (60 ksi) | ≥ 30% in 50 mm | Varies depending on heat treatment |
Key Features:
- High-Temperature Strength: Suitable for high-temperature applications, retaining strength at elevated temperatures.
- Corrosion Resistance: Offers good resistance to oxidation and corrosion, particularly in high-temperature environments.
- Durability: Excellent mechanical properties ensure longevity and reliability.
- Weldability: Can be welded using standard techniques, making it versatile for various applications.
Applications:
ASTM A335 P9 is extensively used in industries where high-temperature and high-pressure conditions are prevalent. Here are some detailed applications:
1. Power Generation
- Boilers and Superheaters:Used in power plants to handle high steam temperatures and pressures.
- Turbines:Suitable for components exposed to high thermal stresses.
2. Petrochemical Industry
- Refineries:Utilized in processes requiring high-temperature resistance, such as catalytic reforming.
- Chemical Processing:Ideal for piping systems that transport aggressive chemicals at elevated temperatures.
3. Oil and Gas Industry
- Heat Exchangers:Used in systems where high thermal efficiency is required.
- Offshore Drilling:Suitable for harsh environmental conditions and high-pressure applications.
4. Industrial Boilers
- Steam Headers:Used in industrial applications where high-pressure steam is distributed.
- Piping Systems:Provides reliable service in high-temperature fluid transport.
ASTM A335 P9 Seamless Alloy Steel Tube For Fired Heater
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