AISI 4137 is a low-alloy steel that has the best tensile strength, toughness and the greatest impact resistance, which makes it perfect for applications that require high tensile strength along with excellent impact resistance. Its atomic/chemical composition consists of carbon, manganese and chromium, with a trace of molybdenum, which gives it so-called subtle mechanical properties. The material is usually employed in making shafts, gears and other components in the automotive and heavy machinery industries. AISI 4137 is a much better choice when it comes to hardenability and wear resistance when correctly heat-treated. Many discerned grade and particular spec types of AISI 4137 are provided for handling special and bulk demands of industries. Tables, chart and pdf in detail enriched with information on types, properties, and grades make it easy to use and select for engineering applications. As a result, composites are durable and perform optimally.
AISI 4137 is a medium-carbon steel that has been designed with high tensile strength and ductility in mind. Og the elements, its chemical composition is composed mostly of carbon, manganese, silicon, chromium, molybdenum and in some cases nickel. The chemical space of AISI 4137 is specified in Table 1 , thus ensuring the reliability and expected results when fabricating. Its high heat resistance and high hardenability make it ideally indicate the processes of gear and shaft manufacturing as well as structural elements. Its particular composition provides for the project's reliability in harsh environments, which leads to the efficiency and durability of engineering projects.
Elements | Iron, Fe | Chromium, Cr | Manganese, Mn | Carbon, C | Silicon, Si | Molybdenum, Mo | Sulfur, S | Phosphorous, P |
---|---|---|---|---|---|---|---|---|
Min (%) | 96.93 | 0.8 | 0.7 | 0.35 | 0.15 | 0.15 | - | - |
Max (%) | 97.85 | 1.1 | 0.9 | 0.4 | 0.35 | 0.25 | ≤ 0.040 | ≤ 0.035 |
Advantages:
Good Hardenability: Suitable for heat treatment operations like quenching and tempering.
High Strength: Characterized by very good strength and hardness.
Wear Resistance: Durable against wear and abrasion in harsh environments.
Machinability: Easier to machine compared to some other alloy steels.
Disadvantages:
Susceptible to Corrosion: Requires proper maintenance to prevent rust and corrosion.
Limited Weldability: Needs pre-weld and post-weld heat treatment.
Cost: May have a higher cost compared to other materials.
Brittle at Low Temperatures: Not ideal for applications involving impacts at low temperatures.
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