AISI 5115 Alloy Steel Chemical Composition Properties, Grades, Charts and Document
AISI 5115 belongs to the category of low alloy steels that perform in the refuse market because of their superior toughness and strength features. Its chemical composition contains elements which include carbon, manganese, chromium and molybdenum leading to its classification as having immense strength and endurance. Having a nominal carbon composition of 0.13% C, Mn making up 0.7-0.9 %, Cr within 0.8 - 1.1 %, and Mo ranging between 0.15- 0.25%, AISI 5115 demonstrates high hardenability and wear resistance. This alloy is broadly used for manufacturing of parts which require strength of impact and are found in Gear sets, shafts & axles. Its general applicability renders it able to be used in a variety of HTPs including hardening and tempering to get desirable mechanical properties. There are detailed forms of charts and table that explain its grades, properties, and compositions for metallurgical application which are readily accessible for reference.
AISI 5115 Alloy Steel Chemical Composition And Grade Table
AISI 5115 is a low-alloy steel incorporating chromium with the additional elements of manganese, carbon and others. Its chemical composition involves 0,13 to 0,18% of carbon, 0,70 to 0,90% of manganese, 0,70 to 0,90% of chromium, 0,035% of phosphorus and 0,040% of sulfur. Because of a little alloyed structure which contributes to its strength as well as toughness, AISI 5125 is the most suitable material for using it in applications that require high strength to weight ratios such as gears, shafts and axles. It has a grade table, which finds the sweet spot of alloying elements that allows the alloy to have optimal mechanical and physical properties, and, makes it a reliable material for many industrial purposes.
| Elements | Aluminum, Al | Carbon, C | Chromium, Cr | Cobalt, Co | Copper, Cu | Iron, Fe | Manganese, Mn | Phosphorus, P | Silicon, Si | Sulfur, S |
|---|---|---|---|---|---|---|---|---|---|---|
| Min (%) | - | 0.13 | 0.8 | - | - | 96.5 | 1 | - | 0.15 | - |
| Max (%) | <= 0.10 | 0.19 | 1.1 | <= 0.10 | <= 0.30 | 97.9 | 1.3 | <= 0.035 | 0.4 | <= 0.035 |
Advantages and Disadvantages of AISI 5115 Alloy Steel
Heat Treatable: Is heat treatable to alter the physical characteristics and to suit the needs or can be heat treated for applications.
Good toughness: Exhibits good toughness therefore ideal for applications that need high strength and impact strength.
Wear resistance: Effective where there are abrasive applications, increasing the desirable wear resistance which helps to extend the residual lifetime of the components.
Machinability: Can easily be machined making manufacturing processes easier.
Advantages:
Limited hardenability: The method may have limitations in achieving the target hardness levels in heat treatment.
Susceptible to corrosion: Susceptible to corrosion at some situations, and must be coated to prevent this.
Lower strength compared to some other alloy steels: Has certain strength properties which may be lower than those of some certain other alloy steels which can be used in its place.
Cost: Depending on the market trends in pricing structure may be a limiting factor in terms of pricing in the production of metallic products.
Disadvantages:
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