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high-chromium nickel alloy Inconel 690

high-chromium nickel alloy Inconel 690

Inconel690 (UNS N06690/W. Nr. 2.4642) is a high-chromium nickel alloy having excellent resistance to many corrosive aqueous media and high- temperature atmoSPHEres. In addition to its corrosion resistance, Inconel690 has high strength, good metallurgical stability, and favorable fabrication characteristics.

The properties of Inconel690 are useful for various applications involving nitric or nitric/hydrofluoric acid solutions. Examples are tail-gas reheaters used in nitric acid production and heating coils and tanks for nitric/hydrofluoric solutions used in pickling of stainless steels and reprocessing of nuclear fuels.

Inconel690’s resistance to sulfur-containing gases makes it an attractive material for such applications as coal-gasification units, burners and ducts for processing sulfuric acid, furnaces for petrochemical processing, recuperators, incinerators, and glass vitrification equipment for radioactive waste disposal.

 Inconel690 Limiting Chemical Composition,% ,


Nickel

Carbon

Chromium

Iron

Sulfur

Silicon

Copper

58.0 min

0.05 max

27.0-31.0

7.0-11.0

0.015 max

0.50 max

0.50 max

Inconel690 Room-Temperature Tensile Properties


From

SIZE

Yield Strength

Tensile Strength

Elongation

 

in.

mm

ksi

MPa

ksi

MPa

%

Strip,cold rolled

0.150 thick

3.81

50.5

348

105.0

724

41

 Inconel690 Physical Property Parameter:


Density

8.19g/cm3

Melting Point

1343-1377℃

Shanghai Katalor Enterprises Co.,Ltd occupies a total area of more than 100,000 square meters warehouse and 5000 tons steel stock,we have the first-class service and delivery speed.If there is any needs of Inconel690,please contact us at once!

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