Incoloy8810 forgings

For any temperature and concentration of hydrochloric acid has excellent corrosion resistance. At the same time, it has good corrosion resistance to sulfuric acid, acetic acid, formic acid, phosphoric acid and other non-oxidizing media.

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Key words: nickel-based alloy material

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- Commodity name: Incoloy8810 forgings
Overview

The nickel content is 30-45%, and there are also small amounts of aluminum and titanium. Compared with Incoloy 800, its carbon content is controlled below 0.1% to 0.05-0.1%, which better improves the strength of the steel. The alloy has a higher chromium content and sufficient nickel content.

Chemical composition

Carbon C: 0.05~0.10, Silicon Si: ≤1.0, Manganese Mn: ≤1.50, Chromium Cr: 19~23, Nickel Ni: 30.0~35.0, Aluminum Al: ≤0.15~0.6, Titanium Ti: ≤ 0.15~0.6 Iron Fe: 0.05~ Remainder, Copper Cu: ≤0.75, Phosphorus P: ≤0.030, Sulfur S: ≤0.015

Characteristics

It has high high temperature corrosion resistance and is widely used in industry. It has excellent performance in chloride, low concentration NaOH aqueous solution and high temperature and high pressure water. Therefore, it is used to manufacture equipment that resists stress corrosion cracking. Its corrosion resistance is better than that of general austenitic stainless steel. In the manufacture of corrosion stress cracking equipment, it is also better than Inconel 600 alloy.

A nickel-chromium-molybdenum alloy with the addition of niobium, which acts with molybdenum to harden the alloy matrix, thereby exhibiting high strength properties without heat treatment. The alloy is resistant to various harsh corrosive environments, especially pitting and crevice corrosion. It is used in chemical, aviation and marine engineering, pollution control equipment, and nuclear reactors.

The low carbon alloy 625 after softening annealing is widely used in the chemical process industry, and its good corrosion resistance and high strength make it can be used as a thin structural component. 625 alloys can be applied in contact with seawater and subjected to high mechanical stress. Typical application areas:
1. Components of organic chemical processes containing chlorides, especially where acid chloride catalysts are used;
2. For the manufacture of digesters and bleaching ponds for the pulp and paper industry;

3. The absorption tower, reheater, flue gas inlet baffle, fan (wet), agitator, deflector and flue in the flue gas desulfurization system;

4. For the manufacture of equipment and components used in acid gas environments;
5. Acetic acid and acetic anhydride reaction generator;
6. Sulfuric acid condenser.

Incoloy8810 forgings

Overview