AISI 4621 Alloy Steel Chemical Composition & Properties, Grade, Tables and Document
AISI 4621 alloy steel with nickel-molybdenum content can be exploited for different tasks of engineering. This material really has good chemical composition with powerful mechanical properties that are needed for further industrial applications. Consists of nickel, molybdenum, and others, it ensures that the number of strength, hardness, and corrosion resistance is held to a maximum level. This alloy is one of a kind bearing only the hardenability that can be processed and forged during heat treatment to reach desirable characteristics. As its impressive ultimate tensile strength and good malleability are well suited not only for gears and shafts but also for high-load components and parts which operate under harsh environments. Specifications at the grade level, chemical composition tables and documentation facilitate the process of material selection and engineering, which, in consequence, provides for the optimal operation and reliability in stressful environments.
AISI 4621 Alloy Steel Chemical Composition And Grade Table
The alloy steel AISI 4621, also recognized as the nickel-molybdenum steel, is at the top of the list because of its superb toughness and wear resistance. Usually it can be classified as a carbon based mineral containing various elements, for example, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, and traces of others. We apply a grading system AISI 4621 according to the mechanical properties and boosters by the heat treatment. In this way we provide a wide range of hardness and strength degrees. This alloy is an integral element of automotive, aerospace and machinery production, being used in a wide array of applications. It is necessary to get acquainted with its structure and grades to choose the material that is appropriated for the specific requirements of engineering.
| Elements | Iron (Fe) | Nickel (Ni) | Manganese (Mn) | Silicon (Si) | Molybdenum (Mo) | Carbon (C) | Sulfur (S) | Phosphorus (P) |
|---|---|---|---|---|---|---|---|---|
| Min (%) | 96.1 | 1.7 | 0.7 | 0.15 | 0.2 | 0.18 | - | - |
| Max (%) | 97.1 | 2 | 0.9 | 0.35 | 0.3 | 0.23 | 0.04 | 0.035 |
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