AISI 4145 Alloy Steel Chemical Composition Properties, Grades, Tables and Online Pdf
AISI 4145 is a low alloyed material most popularly used in the oil and gas industry, where its exceptional strength and toughness qualities provide it with superiority to other materials when in drilling downhole tools and equipment application. It is usually composed of chromium, molybdenum, and manganese, which are the key elements that make it a result of both the high tensile strength and the hardenability. As there are different types of grades in AISI 4145, users can choose this option for projects which may require specific mechanical features by nature. A variety of tables and online data facilitate the high-skilled choice for both material selection and engineering design via supplying detailed info on the composition, mechanical properties, heat treatment processes, and grades. Accessible PDF documents add on to easy accessibility as well as reference for engineers, researchers and industry professionals who are looking forward to efficiently use the AISI 4145 alloy steel.
AISI 4145 Alloy Steel Chemical Composition And Grade Table
AISI 4145 is a low alloy steel with high strength and toughness. As opposed to regular steels, low alloy steels usually offer a higher combination of different mechanical properties. The main chemical ingredients are carbon, manganese, chromium, molybdenum, and nickel when applicable. Usual; the carbon content amount is between 0.43 - 0.48 %, manganese- 0.75-1.00%, chromium- 0.75 - 1.20%, molybdenum- 0.15 - 0.25 % while nickel is optional. The result is outstanding hardness, strength, and resistance to both wear and fatigue which gives it longer life. AISI 4145 is included in the list of alloy steel grades commonly applied in various sectors, including well drilling tools, automotive components, and machine parts.
| Elements | Iron, Fe | Chromium, Cr | Manganese, Mn | Carbon, C | Molybdenum, Mo | Silicon, Si | Sulfur, S | Phosphorous, P |
|---|---|---|---|---|---|---|---|---|
| Min (%) | 96.795 | 0.8 | 0.75 | 0.43 | 0.15 | 0.15 | - | - |
| Max (%) | 97.72 | 1.1 | 1 | 0.48 | 0.25 | 0.3 | ≤ 0.0400 | ≤ 0.0350 |
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