Marine Engineering Field Incoloy 825 Tube 30 % Elongation With Excellent

Product Specification

Marine Engineering Field Incoloy 825 Tube 30 % Elongation With Excellent Stability

Product Introduction

Incoloy 825 tube has a wide range of applications in the field of offshore engineering, mainly due to its excellent corrosion resistance and high temperature stability. This alloy tube can effectively resist corrosion from seawater and chloride solutions, and is suitable for manufacturing key components in seawater cooling systems, offshore oil drilling platforms and desalination plants. The chemical composition of Incoloy 825 includes a high proportion of nickel, chromium, molybdenum and copper, which give it excellent resistance to a variety of acidic media, chlorides and other corrosive media in oxidizing and reducing environments. Its physical properties include density 8.14 g/cm³, melting point 1370-1400°C, tensile strength of at least 550 MPa, yield strength of at least 220 MPa, and elongation of at least 30%. These characteristics make Incoloy 825 tube an indispensable material in offshore engineering, ensuring long-term stable operation and low maintenance costs of equipment in harsh environments.

Parameter

Specific Applications

1. Seawater cooling system: used for seawater cooling heat exchangers, which can resist seawater corrosion and maintain efficient operation of heat exchangers.
2. Marine product pipeline system: In the pipeline systems of offshore platforms and ships, such as seawater pipelines, oil and gas pipelines, etc., Incoloy 825 pipes can withstand corrosion and pressure in the marine environment.
3. Submersible components: can be used to manufacture submersible components, such as pipes, joints, etc., to ensure the reliability and safety of submersibles in deep-sea high-pressure and corrosive environments.

Advantages and Characteristics

• Excellent high temperature performance: Incoloy 800 alloy has excellent stability at high temperatures, with a maximum service temperature of about 1120°F (600°C). It can maintain good mechanical properties and corrosion resistance in high temperature environments.
• Oxidation resistance: At high temperatures, the combination of chromium and nickel enables it to form a dense oxide film, which effectively prevents the penetration of oxygen, thereby enhancing the oxidation resistance of the alloy.
• High strength and toughness: Incoloy 800 pipe has a tensile strength of at least 520 MPa, a yield strength of at least 205 MPa, and an elongation of at least 30%.
• Good ductility: With good ductility, it is easy to process and form, and is suitable for various processing processes such as forging, hot rolling, cold working and welding.
• Good machinability: Incoloy 800 pipe can be processed and formed by a variety of traditional methods, such as casting, forging, rolling and welding. Although the alloy is easily work-hardened, it can be successfully spun, deep drawn, press-formed or punched after proper treatment.

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Related Questions and Answers

1. What are the application areas of Incoloy 825 pipes?
It is widely used in many fields such as chemical industry, petroleum, natural gas, marine engineering and aerospace, such as heating pipes, containers, baskets and chains in sulfuric acid pickling plants, seawater cooling heat exchangers, marine product piping systems, acid gas environment pipelines, heat exchangers, evaporators, washing and impregnation pipes in phosphoric acid production, air heat exchangers in petroleum refining, air heat exchangers used in food engineering and chemical processes, flame retardant alloys used in high-pressure oxygen, etc.

2. What are the characteristics of Incoloy 825 pipes?
It has excellent corrosion resistance, good mechanical properties, especially stability in high temperature environments. It can resist erosion by a variety of corrosive media, including sulfuric acid, phosphoric acid, hydrochloric acid and a variety of chloride ion-containing environments.

3. Can Incoloy 825 pipes be customized?
The size, wall thickness and length can be customized to meet the requirements of specific applications.

4. How is Incoloy 825 pipes packaged?
It is usually packed in wooden pallets or wooden boxes, and the inner layer can be wrapped with waterproof paper + PVC film + strapping to ensure that it is not damaged during transportation and storage.

5. What is the chemical composition of Incoloy 825 pipe?
The main components include nickel (38.0-46.0%), chromium (19.5-23.5%), iron (≥22%), molybdenum (2.5-3.5%), copper (1.5-3.0%), titanium (0.60-1.20%), and the content of carbon, manganese, silicon, sulfur, phosphorus and other elements is relatively low.

6. What are the physical properties of Incoloy 825 pipe?
The density is 8.14 g/cm³, the melting point is 1370-1400℃, the tensile strength is ≥550 N/mm², the yield strength is ≥220 N/mm², and the elongation is ≥30%.