Corrosion High Temperature Resistance Nickel Alloy Incoloy 825 Strip For

Product Specification

Corrosion And High Temperature Resistance 1400°C Nickel Alloy Incoloy 825 Strip For Petrochemical Industry

Product Introduction

Incoloy 825 strip has a wide range of applications in the petrochemical industry, mainly due to its excellent corrosion resistance and high temperature performance. The main components of this alloy include nickel (38%-46%), chromium (19.5%-23.5%), molybdenum (2.5%-3.5%), copper (1.5%-3.5%) and iron (balance), and the combination of these components makes it perform well in high temperature and corrosive environments. The physical properties of Incoloy 825 strip include density 8.14 g/cm³, melting point range between 1370-1400℃, tensile strength of at least 550 MPa, yield strength of at least 220 MPa, and elongation of at least 30%. In the field of petrochemicals, Incoloy 825 strip is often used to manufacture equipment such as pipelines, valves, pumps, etc., which need to operate stably for a long time in high temperature, high pressure and corrosive working environments. The corrosion resistance of Incoloy 825 enables it to effectively resist the erosion of chlorides, oxidizing acids and other chemicals, ensuring the safety and reliability of equipment. In addition, Incoloy 825 strip has good processing performance and weldability, and can be processed by conventional metal processing processes such as forging, rolling, drawing, etc., which gives it greater flexibility in manufacturing parts with complex structures.

Parameter

Specific Applications

• Oil refining equipment: used in air heat exchangers and other equipment in oil refining, which can resist the erosion of high temperature, high pressure and corrosive media.
• Oil and gas extraction equipment: In the field of oil and gas extraction, especially in corrosive environments containing hydrogen sulfide and carbon dioxide, Incoloy 825 strip is widely used in subsea oil well equipment, valves, drill pipe connectors and oil pumps.

Advantages and Characteristics

1. Excellent corrosion resistance: Incoloy 825 alloy performs well in a variety of corrosive environments, especially in strong acid and strong oxidizing environments, and can resist various forms of corrosion, including pitting, stress corrosion cracking, etc. The alloy has extremely high corrosion resistance to sulfuric acid, phosphoric acid, nitric acid and organic acids, and also has good resistance to pitting and stress corrosion cracking in chloride environments.
2. Resistance to stress corrosion cracking: Incoloy 825 alloy has good resistance to stress corrosion cracking, especially in corrosive media such as chlorides and hydrogen sulfide. In marine environments, it can resist corrosion from seawater and salt spray, ensuring long-term use of equipment.
3. High strength and high toughness: Incoloy 825 alloy has good mechanical properties at room temperature and high temperatures up to 550℃. Its tensile strength can reach 550 N/mm², yield strength is 220 N/mm², elongation is 30%, and Brinell hardness is less than or equal to 200.

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Related Questions and Answers

Q: What are the mechanical properties of Incoloy 825 strip?
A: The tensile strength of Incoloy 825 strip at room temperature is ≥586 MPa, the yield strength (0.2% offset) is ≥241 MPa, and the elongation is ≥30%.

Q: What are the physical properties of Incoloy 825 strip?
A: The density of Incoloy 825 strip is 8.14 g/cm³, and the melting point ranges from 1370-1400°C.

Q: What are the main application areas of Incoloy 825 strip?
A: Incoloy 825 strip is widely used in chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing and radioactive waste treatment.

Q: What are the high temperature properties of Incoloy 825 strip?
A: Incoloy 825 strip can still maintain good mechanical properties at temperatures up to 550°C and is suitable for high temperature environments.

Q: What are the surface treatments for Incoloy 825 strip?
A: Incoloy 825 strip can undergo a variety of surface treatments, such as polishing, passivation, coating, etc., to improve its corrosion resistance and surface quality.