AISI 8642 Alloy Steel Chemical Properties, Grade, Table and PDF Online

AISI 8642 steel has a high-low alloy composition, it is known in the market for its superior performance and longevity, and it is highly demanded in industrial applications requiring great strength and resistance. This steel alloy displays excellent mechanical characteristics, encompassing a high tensile strength, toughness, and also high wear resistance. Externally, its chemical composition can include elements like carbon, manganese, silicon, nickel, chromium, molybdenum, and vanadium to name a few. However, it is best performing when all of these elements have been optimally balanced. Due to its high strength and hardness, AISI 8642 alloy steel from 8642 alloy steel grade is commonly used in the processes like machining of gears, shaft assemblies, axles and other crucial parts that go through highly demanding loading and operating conditions. The adhesiveness of the glue is very vital in ensuring that the products of engineers and manufacturers will not only last long but will also deliver the required outcome. Technical Tables, chart and PDF documentations pertaining to its composition and propel function are available on the online platform for reference and specification.

AISI 8642 Alloy Steel Chemical Composition And Grade Table

AISI 8642 alloy steel is considered to be a universal metal, due to its outstanding strength and toughness features, which position it very well for industrial usage. The chemical composition of steel can vary, elements like carbon, manganese, silicon, chromium, nickel, molybdenum and others comprise it, all of them needed in the right proportion to provide the necessary mechanical properties. In the structural chart, the level shows the clarification on the basis of BOS and performance standards, which ensures good quality of engineering work. Engineers and manufacturers might refer to this chart as they select the right AISI 8642 alloy steel grades for particular applications and, this way, optimal performance and durability is ensured .

AISI 8642 Alloy Steel Composition Table
Elements Iron, Fe Chromium, Cr Manganese, Mn Carbon, C Molybdenum, Mo Silicon, Si Sulfur, S Phosphorous, P
Min (%) 96.585 0.75 0.65 0.37 0.15 0.15 - -
Max (%) 97.93 1.2 1.1 0.44 0.3 0.3 ≤0.040 ≤0.035

Advantages and Disadvantages of AISI 8642 Alloy Steel

    Advantages:

  • High Hardenability: Maintains proper hardenability across significant sections.

  • Excellent Wear Resistance: Resistant to wear due to alloy composition.

  • High Strength: Offers high strength after heat treatment.

  • Good Dimensional Stability: Maintains dimensional stability after heat treatment.

    Disadvantages:

  • Brittleness: Can be brittle if not heat treated correctly.

  • Difficult to Machine: Requires specific machining procedures, especially after heat treatment.

  • Higher Cost: More expensive due to alloying agents and stringent processing.

  • Limited Availability: May have limitations in availability of sizes and forms compared to more common steel types.

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