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Maraging 300 successfully combines the useful qualities of nickel, molybdenum and cobalt. Additional doping with a variety of chemical components significantly increases the initial properties of the material and ensures a stable reliability of the equipment made from it. Due to the unique composition, the exact proportional ratio of the main components, as well as the special production technology, this type of raw material combines high yield strength and plasticity, which facilitates the process of deformation of semi-finished products during processing.

Composition and properties

The basis of the material maraging 300 is a triple union of nickel molybdenum and cobalt on an iron basis. Such a balanced combination predetermined high heat resistance against a background of significant corrosion resistance. The yield strength of the alloy exceeds the value of 1862 MPa, at low temperatures of the working zone, which is somewhat higher than its analog with an index of 250. The highest tensile strengths are observed in the temperature range from 482 to 520 ° C. Also worth noting is the good weldability of this type of material, which makes it possible to actively use it in the manufacture of welded structures of various geometric dimensions and complexity. All the useful qualities listed above are determined by the proportional chemical composition of the unique alloy.

Percent composition
Alloy FROM Mn Fe P S Ni AT Zr Al Si Ti Si Mo Co
Maraging 300 ≤0.03 ≤0,1 The basis ≤0.01 ≤0.01 ≤18.5 ≤0.003 ≤0.01 ≤0,1 ≤0,1 ≤0,6 ≤0.1 ≤4,8 ≤9

As a rule, the manufacture of this type of raw materials is carried out using special equipment by vacuum-induction or vacuum-arc method. To obtain high-quality raw materials during the smelting of nickel alloy, it is important to observe all the time and temperature conditions of the process very accurately.

Application of

Due to its high performance and a wide range of products, the range of semi-finished maraging 300 products is very diverse. Practically all industrial branches limited by hard working conditions need strong and durable equipment capable of actively resisting both temporary wear and aggressive influence of various production environments. This type of alloy is very relevant both in the chemical industry or in the production of paper and cellulose, as well as in aircraft construction or in the manufacture of precision equipment and heating equipment.

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