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Inconel 690 / 2.4642

Inconel 690 / 2.4642 / KHN70JU

High-temperature metal-based alloy Inconel 690 belongs to the family of chromium-containing steels. It is composed of Nickel and chromium that ensure high material strength and resistance to any corrosive environments.

Special steels and alloys of this type is quite popular in the modern world. The growth of industry and manufacturing has led to the emergence of new industries, which often use a critical temperature. It is the resistance to the aggressive action makes the alloy Inconel 690 is greatly needed.

Features and application

Inconel alloy 690 has a high content of such elements as chromium. This ensures outstanding resistance to water corrosion. In addition, products based on Inconel 690 is resistant to most common acids and alkalis, including the most aggressive nitric acid.

Excellent anti-corrosion properties, high strength, excellent metallurgical parameters, the possibility of easy processing and welding makes the use of alloy economically justified. The composition of the steel is also a component of high-temperature alloys, such as cobalt, which allows it to be used in nuclear energy and industry.

The main field of application – manufacture of steam pipes, thermal plants and equipment.


Chemical composition of Inconel alloy 690











  <0.50 to

  <0.50 to


 <0.50 to



Mechanical properties of Inconel alloy 690

Tensile strength

                              600 MPa                                 

Yield strength (0.2% deviation)

350 MPa

Elongation, min.

35 %


Supply of Inconel alloy 690

Round Inconel 690                                    

Diameter 4-300mm

Sheet Inconel 690

Thickness 0.5-20mm

Tape Inconel 690

Thickness 0.2-2mm

Strip Inconel 690

Thickness 10-50mm

Wire Inconel 690

Diameter 0.5-9mm

Tube Inconel 690

-Hot rolled round pipe

38-ø 244.5 mm,

thickness from 3 to 25 mm

-Cold-drawn round tube

diameter from 6 to of 219.1 mm

with a thickness of 0.9 to 14.2 mm