Inconel X-750 flat square 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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DESCRIPTION

- Commodity name: Inconel X-750 flat square forgings
Overview

Nickel-chromium alloy, similar to Inconel 600, but with the addition of Al and Ti elements to make it precipitation hardenable. It has good corrosion and oxidation resistance, and has high strength and creep properties at 700°C. Excellent relaxation strength makes it used in high temperature springs and bolts, gas turbines, rocket engines, nuclear reactors, pressure pipes, molds, aircraft components

Chemical composition

Nickel + Cobalt: ≥70

Chromium: 14-27

Copper: ≤0.5

Iron: 5-9

Carbon: ≤0.08

Manganese: ≤1

Phosphorus: ≤0.015

Sulfur: ≤0.01

Aluminum: 0.4-1

Titanium: 2.25-2.75

Metallographic structure

The standard heat treatment state of the alloy consists of γ matrix, Ti (C, N), Nb (C, N), M23C6 carbide and γ' [Ni3 (Al, Ti, Nb)] phase, and the γ' content is about 14.5%, which is the main strengthening phase of the alloy.

Application

The alloy is mainly used to manufacture corrosion-resistant plane wave springs, circumferential coil springs, coil compression springs, spring retaining rings and sealing rings for aircraft engines with operating temperatures below 540℃.

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.