Inconel 690 UNSN06690 2.4642

Inconel 690

Inconel 690Chemaical composition:

Inconel 690 Physical properties

Inconel 690 Alloy m inimum mechanical properties in the room temperature

Inconel 690Corrosion resistance

One of the mainly performance of 690 is inexorability in high temperature, even in very inclement conditions. If in the process of heating and cooling cycle, 690 can generate the dense layer of oxide film to get high spalling resistance. 690 have good carbonation resistance. With excellent inoxidability in the high temperature of sulfur atmosphere since it has high chromium and aluminum content.

Characteristic as below:
1. Excellent inoxidability in the high temperature.
2. Good resistance to carbonizing.
3. Good inoxidabilitiy in sulfur atmosphere
4. Good mechanical property in both room temperature and high temperature.
5. Good resistance to stress corrosion cracking, 690 have high creep rupture strength since it limits the carbon content and grain size, so recommend to use for above 500℃ environment.

Inconel 690 Metallurgical structure:
690 is face-centered cubic lattice structure.

Inconel 690 Application field:
1. The tray,basket and tool clamp in the heat treatment factory.
2. Steel shares at annealing and radiation control, high-speed gas burners, Industrial furnace silk screen.
3. Separate tank of ammonia reforming and catalytic support grid of nitric acid producing.
4. Exhaust system parts
5. Solid waste incinerator's combustion chamber
6. Channel support and soot dealing parts.

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