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The N08825 (Austenitic Alloy 825) nickel alloy pipe has significant advantages in harsh industrial environments, thanks to its outstanding comprehensive performance. The main product advantages include:
Outstanding corrosion resistance: This is its core advantage.
Outstanding corrosion resistance: It has extremely strong resistance to reducing acids (such as sulfuric acid and phosphoric acid), oxidizing acids (such as nitric acid), strong bases (such as sodium hydroxide), salt solutions, and various organic acids (such as acetic acid and formic acid).
Resistance to pitting and crevice corrosion: Adding molybdenum and copper can enhance its resistance to pitting and crevice corrosion in chloride-containing environments (such as seawater, salt water, and humid chlorine gas).
Resistance to stress corrosion cracking: It exhibits excellent performance in environments prone to stress corrosion cracking (such as those containing chloride and alkaline corrosive substances).
Intergranular corrosion resistance: Adding titanium and conducting stabilization heat treatment (solution annealing) can significantly reduce the possibility of intergranular corrosion.
Excellent high-temperature strength: It can maintain high strength and oxidation resistance in high-temperature environments (typically up to approximately 540°C/1000°F).
Resistance to oxidation and carbonization: The high nickel content forms a protective oxide chromium layer, giving it excellent stability in high-temperature oxidation and carbonization environments.
High-strength performance: The yield strength and tensile strength of N08825 are both higher than those of ordinary stainless steels (such as 304/316).
Good toughness and ductility: It can maintain good toughness even in low-temperature environments, making it suitable for applications in low-temperature conditions.
Creep resistance: It has excellent creep resistance in high-temperature and high-pressure environments.
In summary, the main advantages of the N08825 nickel alloy tube are:
It exhibits unparalleled corrosion resistance in extremely complex and harsh corrosive environments (especially those containing chlorides, sulfides, acids, and bases).
It has excellent strength and can maintain good corrosion resistance in high-temperature environments.
It provides higher mechanical strength and reliability, extends equipment lifespan, and reduces overall ownership costs.
The chemical composition:
Ni | Fe | Mn | C | Si | S | Cr | Al | Cu | Ti | Mo |
38.0-46.0 | ≥22.0 | ≤1.0 | ≤0.05 | ≤0.5 | ≤0.03 | 19.5-23.5 | ≤0.2 | 1.5-3.0 | 0.6-1.2 | 2.5-3.5 |
Mechanical properties
tensile strength( Mpa) | 0.2% yield strength ( Mpa) | Elongation A5(%) | |
≥586 | ≥241 | ≥30 |
Density: 8.1g/cm³
The N08825 (Austenitic Alloy 825) nickel alloy pipe has significant advantages in harsh industrial environments, thanks to its outstanding comprehensive performance. The main product advantages include:
Outstanding corrosion resistance: This is its core advantage.
Outstanding corrosion resistance: It has extremely strong resistance to reducing acids (such as sulfuric acid and phosphoric acid), oxidizing acids (such as nitric acid), strong bases (such as sodium hydroxide), salt solutions, and various organic acids (such as acetic acid and formic acid).
Resistance to pitting and crevice corrosion: Adding molybdenum and copper can enhance its resistance to pitting and crevice corrosion in chloride-containing environments (such as seawater, salt water, and humid chlorine gas).
Resistance to stress corrosion cracking: It exhibits excellent performance in environments prone to stress corrosion cracking (such as those containing chloride and alkaline corrosive substances).
Intergranular corrosion resistance: Adding titanium and conducting stabilization heat treatment (solution annealing) can significantly reduce the possibility of intergranular corrosion.
Excellent high-temperature strength: It can maintain high strength and oxidation resistance in high-temperature environments (typically up to approximately 540°C/1000°F).
Resistance to oxidation and carbonization: The high nickel content forms a protective oxide chromium layer, giving it excellent stability in high-temperature oxidation and carbonization environments.
High-strength performance: The yield strength and tensile strength of N08825 are both higher than those of ordinary stainless steels (such as 304/316).
Good toughness and ductility: It can maintain good toughness even in low-temperature environments, making it suitable for applications in low-temperature conditions.
Creep resistance: It has excellent creep resistance in high-temperature and high-pressure environments.
In summary, the main advantages of the N08825 nickel alloy tube are:
It exhibits unparalleled corrosion resistance in extremely complex and harsh corrosive environments (especially those containing chlorides, sulfides, acids, and bases).
It has excellent strength and can maintain good corrosion resistance in high-temperature environments.
It provides higher mechanical strength and reliability, extends equipment lifespan, and reduces overall ownership costs.
The chemical composition:
Ni | Fe | Mn | C | Si | S | Cr | Al | Cu | Ti | Mo |
38.0-46.0 | ≥22.0 | ≤1.0 | ≤0.05 | ≤0.5 | ≤0.03 | 19.5-23.5 | ≤0.2 | 1.5-3.0 | 0.6-1.2 | 2.5-3.5 |
Mechanical properties
tensile strength( Mpa) | 0.2% yield strength ( Mpa) | Elongation A5(%) | |
≥586 | ≥241 | ≥30 |
Density: 8.1g/cm³
