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Inconel 690
  • Inconel 690
  • Inconel 690
  • Inconel 690

Inconel 690

Inconel is a high chromium nickel-based superalloy with excellent water corrosion resistance and stress cracking resistance. The chromium content is about 30%, which is significantly higher than the chromium content in other alloys. Therefore, it has excellent resistance to thermal oxidation gases and oxidizing chemicals. High resistance, and has a certain resistance to vulcanization at high temperature.Alloy 690 can be available in Bar, Pipe, Forging, Plate, Fasteners, Coil, Wire, Fitting, etc.

Other common names:Alloy 690, UNS N06690, W. Nr. 2.4642
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Overview of Inconel 690

Other common names: Alloy 690, UNS N06690, W. Nr. 2.4642

Inconel 690 is a high-chromium nickel-based superalloy with excellent water corrosion resistance and stress cracking resistance. The chromium content is about 30%, which is significantly higher than the chromium content in other alloys. Therefore, it is resistant to high-temperature oxidizing gases and oxidizing chemicals. High resistance, and a certain degree of resistance to sulfidation at high temperatures, high nickel content endows the alloy with resistance to stress corrosion cracking in chloride environments and sodium hydroxide solutions. In addition to corrosion resistance.Allloy 690 also has high strength, good metallurgical stability and workability, and is mainly used in heat transfer tubes for steam generators in water reactors (PWR) nuclear power plants.

Features of Inconel 690

● Excellent resistance to intergranular corrosion and stress corrosion cracking

● Good resistance to stress corrosion cracking caused by alkali

● Excellent resistance to many corrosive water media or primary and secondary circuits of nuclear reactors

● Good anti-oxidation, anti-sulfur and anti-high temperature gas properties

● Good mechanical properties at room temperature and high temperature, good ductility and weldability

Forms of Inconel 690

We can provide various forms of Alloy 690 according to your customization, such as follows:

Inconel 690 BarInconel 690 Sheet&Plate
Inconel 690 Welded Pipe&TubeInconel 690 Seamless Pipe&Tube
Inconel 690 Pipe FittingsInconel 690 Fasteners
Inconel 690 ForgingsInconel 690 Flanges
Inconel 690 CoilInconel 690 wire

Specification of Inconel 690

Chemical Composition
CCrMnFeNiSiSCu
0.05Max27.0-31.00.5Max7.0-11.058.0Min0.5Max0.015Max0.5Max

 Room-Temperature Tensile Properties of Annealeda
FormSizeYield StrengthTensile StrengthElongation
in.mmksiMPaksiMPa%
Tube, cold drawn0.50 x 0.05012.7 x 1.2766.846111075839
0.75 x 0.06519.0 x 1.6555379101.570046
3.50 x 0.21688.9 x 5.4940.92829464852
Flat, hot rolled0.5 x 2.013 x 515135210270346
Rod, hot rolled2.0 dia.51 dia.48.533410069050
Rod, hot rolled0.62 dia.16 dia.5437210773844
Strip, cold rolled0.150 thick3.8150.534810572441

Applications of Inconel 690

Inconel Alloy 690 can be widely used in various environments due to its high temperature resistance, corrosion resistance and high strength. These are just examples:

● PWR nuclear power plant steam generator

● Tail gas reheater for nitric acid production

● Heating coils and tanks for pickling stainless steel with nitric acid and hydrofluoric acid solutions

● Coal gasification plants, burners and pipelines for processing sulfuric acid

Supplier of Inconel 690

Wudenalloy has focused on the production and manufacture of nickel alloys for more than ten years. We are a principal worldwide supplier of corrosion-resistant alloy and other superalloy metals. We have a professional technical team and after-sales service, so we can offer high-quality Hastelloy®, Incoloy®, Inconel®, Monel®, Duplex Stainless Steel and other alloy material. These materials are available in bar, sheet&plate, pipe&tube, flange, forging, and other forms to meet the needs of our customers.

Request a quote now to get the competitive Inconel 690 prices,you can also send emails to sales@wudenalloy.com, Wudenalloy is your trusted supplier of special alloy material.

Hot Tags: Inconel 690, manufacturers, suppliers, factory, Customized

Chemical Composition
CCrMnFeNiSiSCu
0.05Max27.0-31.00.5Max7.0-11.058.0Min0.5Max0.015Max0.5Max

 Room-Temperature Tensile Properties of Annealeda
FormSizeYield StrengthTensile StrengthElongation
in.mmksiMPaksiMPa%
Tube, cold drawn0.50 x 0.05012.7 x 1.2766.846111075839
0.75 x 0.06519.0 x 1.6555379101.570046
3.50 x 0.21688.9 x 5.4940.92829464852
Flat, hot rolled0.5 x 2.013 x 515135210270346
Rod, hot rolled2.0 dia.51 dia.48.533410069050
Rod, hot rolled0.62 dia.16 dia.5437210773844
Strip, cold rolled0.150 thick3.8150.534810572441


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  • About Wuden Alloy
  • Wuden Alloy Co., Ltd. provides petroleum, chemical, electric power, aerospace and other related industries with nickel alloy materials,such as Hastelloy, Inconel, Incoloy,Monel alloy seamless pipe, welded pipe, plate, tube,flange, bar, etc.
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