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HIGH-TEMP-P91
ETERNAL
High temperature alloy steel P91 forged tube is a very important spare part ,
it will choose excellent raw material and be forged.
Its application
Power industry: P91 alloy pipes are widely used in high-temperature and high-pressure components such as superheater pipes, reheater pipes, and main steam pipes in power plant boilers. Its excellent high-temperature strength and creep resistance ensure the safe operation of the boiler in high-temperature and high-pressure environments
In addition, P91 alloy pipes are also used for key high-temperature and high-pressure pipelines in supercritical and ultra supercritical coal-fired units, such as main steam pipelines and reheat steam pipelines, effectively improving the efficiency and safety of the units
Petrochemical industry: P91 alloy pipes are used in high-temperature and high-pressure pipeline systems in petrochemical plants, such as catalytic cracking units, hydrogenation units, etc. Its excellent corrosion resistance and high temperature stability ensure the long-term stable operation of the equipment under harsh working conditions
one. In addition, P91 alloy tubes are also used in the manufacture of reactors and heat exchangers to resist corrosion and stress damage in high-temperature environments
Nuclear energy industry: P91 alloy tubes are widely used in nuclear power plants, such as manufacturing key components such as reactor pressure vessels, steam generators, and secondary steam pipelines. Its high strength and corrosion resistance ensure the safe operation of nuclear power plants
In other industrial fields, P91 alloy pipes are also used for air supply ducts and hot blast furnace tubes in the metallurgical industry, to withstand the erosion of high-temperature and high-pressure combustion gases and slag
In industrial boilers, P91 alloy tubes are used to manufacture superheater and reheater pipelines, which increases the working temperature and pressure of the boiler. In addition, P91 alloy tubes are also used in engine components in the aerospace industry and high-temperature and high-pressure equipment in mechanical manufacturing
Its chemical specification :
· Carbon - 0.08% - 0.12%
· Manganese - 0.30% - 0.60%
· Phosphorus, max - 0.020%
· Sulfur, max - 0.010%
· Silicon, max – 0.20% - 0.50%
· Chromium - 8.00% - 9.50%
· Molybdenum - 0.85% - 1.05%
· Vanadium: 0.18% - 0.25%
· Nitrogen: 0.030% - 0.070%
· Nickel: 0.40% Max
· Aluminum: 0.02% Max
· Columbium: 0.06% - 0.10%
· Titanium: 0.01% Max
· Zirconium: 0.01% Max
Mechanical property
1. Corrosion resistance: P91 is added with alloying elements such as chromium (Cr), molybdenum (Mo), and vanadium (V) to improve its high-temperature strength and corrosion resistance. This type of steel can be used for a long time in environments such as acid, alkali, and salt.
2. High temperature durability: It has high oxidation resistance and heat resistance, and can still maintain high strength and toughness at high temperatures.
3. Strength and toughness:
It has high strength and good plasticity, ensuring the load-bearing capacity and operational stability of the equipment.
4. Welding performance: It has good welding performance and can be welded using various welding methods such as arc welding, plasma welding, laser welding, etc.
5. Processing performance: It has good malleability and rollability, making it convenient for mechanical processing and meeting the processing needs of different fields.
6. Impact resistance: CL2 indicates the impact resistance level of the steel plate, requiring it to still have a certain impact resistance at -54 ℃ to ensure structural integrity in cold environments or emergencies.
Its size range following:
1. max diameter 1000mm
Delivery condition:
1. Forged + annealing + black surface
2. Forged + annealing + turning
3. Forged + solution + black surface
4. Forged + solution + turning
High temperature alloy steel P91 forged tube is a very important spare part ,
it will choose excellent raw material and be forged.
Its application
Power industry: P91 alloy pipes are widely used in high-temperature and high-pressure components such as superheater pipes, reheater pipes, and main steam pipes in power plant boilers. Its excellent high-temperature strength and creep resistance ensure the safe operation of the boiler in high-temperature and high-pressure environments
In addition, P91 alloy pipes are also used for key high-temperature and high-pressure pipelines in supercritical and ultra supercritical coal-fired units, such as main steam pipelines and reheat steam pipelines, effectively improving the efficiency and safety of the units
Petrochemical industry: P91 alloy pipes are used in high-temperature and high-pressure pipeline systems in petrochemical plants, such as catalytic cracking units, hydrogenation units, etc. Its excellent corrosion resistance and high temperature stability ensure the long-term stable operation of the equipment under harsh working conditions
one. In addition, P91 alloy tubes are also used in the manufacture of reactors and heat exchangers to resist corrosion and stress damage in high-temperature environments
Nuclear energy industry: P91 alloy tubes are widely used in nuclear power plants, such as manufacturing key components such as reactor pressure vessels, steam generators, and secondary steam pipelines. Its high strength and corrosion resistance ensure the safe operation of nuclear power plants
In other industrial fields, P91 alloy pipes are also used for air supply ducts and hot blast furnace tubes in the metallurgical industry, to withstand the erosion of high-temperature and high-pressure combustion gases and slag
In industrial boilers, P91 alloy tubes are used to manufacture superheater and reheater pipelines, which increases the working temperature and pressure of the boiler. In addition, P91 alloy tubes are also used in engine components in the aerospace industry and high-temperature and high-pressure equipment in mechanical manufacturing
Its chemical specification :
· Carbon - 0.08% - 0.12%
· Manganese - 0.30% - 0.60%
· Phosphorus, max - 0.020%
· Sulfur, max - 0.010%
· Silicon, max – 0.20% - 0.50%
· Chromium - 8.00% - 9.50%
· Molybdenum - 0.85% - 1.05%
· Vanadium: 0.18% - 0.25%
· Nitrogen: 0.030% - 0.070%
· Nickel: 0.40% Max
· Aluminum: 0.02% Max
· Columbium: 0.06% - 0.10%
· Titanium: 0.01% Max
· Zirconium: 0.01% Max
Mechanical property
1. Corrosion resistance: P91 is added with alloying elements such as chromium (Cr), molybdenum (Mo), and vanadium (V) to improve its high-temperature strength and corrosion resistance. This type of steel can be used for a long time in environments such as acid, alkali, and salt.
2. High temperature durability: It has high oxidation resistance and heat resistance, and can still maintain high strength and toughness at high temperatures.
3. Strength and toughness:
It has high strength and good plasticity, ensuring the load-bearing capacity and operational stability of the equipment.
4. Welding performance: It has good welding performance and can be welded using various welding methods such as arc welding, plasma welding, laser welding, etc.
5. Processing performance: It has good malleability and rollability, making it convenient for mechanical processing and meeting the processing needs of different fields.
6. Impact resistance: CL2 indicates the impact resistance level of the steel plate, requiring it to still have a certain impact resistance at -54 ℃ to ensure structural integrity in cold environments or emergencies.
Its size range following:
1. max diameter 1000mm
Delivery condition:
1. Forged + annealing + black surface
2. Forged + annealing + turning
3. Forged + solution + black surface
4. Forged + solution + turning