AISI 5155 Alloy Steel Chemical Composition Properties, Grade, Table and Online Pdf

AISI 5155 is a highly chromized-vanadium alloy steel offering out match toughness and wear-resistant. Its chemical makeup is always based on carbon, manganese, silicon, sulfur, phosphus, chromium, and vanadium. By composition of it, carbon content being from 0.55 to 0.65%, you have got the best hardenability and strength. It is a key element that contributes to strength and hardness, and also chromium and vanadium aid in the higher wear resistance, toughness, useful properties of steel. AISI 5155 serves not just one industrial application, but many. From springs to shafts and gears, it is used wherever high strength, durability and toughness are paramount. In the process of their work, engineers and metallurgists may have to open tables, chart and PDFs for more detailed information on properties, grades, recommended use or application, which will be helpful when making decisions about the suitability of the material and the design.

AISI 5155 Alloy Steel Chemical Composition And Grade Table

AISI 5155 Alloy steel comes in the class of material for its strength and hardness which are mainly incorporated in making of multiple industrial parts and components. This chemical element consists of carbon, manganese, silicon, phosphorus, sulfur and chromium. AISI 5155 grade table lists its mechanical properties including tensile strength, tensile stress, elongation and hardness with these being the key areas which will be used to establish its suitability for a range of applications. Knowing the chemical structure and AISI 5155 specification chart, engineers and manufacturers can gain sufficient information for the selection of the steel grade for use in a particular application.

AISI 5155 Alloy Steel Composition Table
Elements Fe C Si S P
Min (%) 97.2 0.51 0.15 - -
Max (%) 97.9 0.59 0.35 0.04 0.035

Advantages and Disadvantages of AISI 5155 Alloy Steel


  • Good toughness: Demonstrates the ability to hold together under impact loads.

  • Moderate wear resistance: Lubricated and suitable for parts exposed to abrasion.

  • Machinable: Enables easy cutting into various shapes in accordance with the required designs.

  • Affordable: Relatively inexpensive for some other alloy steels.


  • Limited hardenability: It may not effectively harden larger sections of steel which are needed for specific applications.

  • Lower strength: It less hard strength than some of high alloy steel group.

  • Susceptible to corrosion: Must be put and left in the right place so that it does not attract rusting.

  • Limited availability: This may be rather more difficult to find compared with other types of steel in the market.

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