AISI 4142 Alloy Steel Chemical Composition, Grade, Table and Pdf
The AISI 4142 material is a medium alloyed steel which offers good strength and toughness. The predominant chemical composition of this category usually comprises of carbon, manganese, chromium, molybdenum and other elements in a small proportion. The grade is mostly used in the parts where high tension strength, wear resistance, engineered rods and other components of car industry, machinery, fossil fuel power plants, chemical industry and oil/gas industry would be focused on. The composition, therefore, will have the typical range of 0.40-0.45% carbon, 0.75-1.00% manganese, 0.90-1.20% chromium, and 0.20-0.30% molybdenum. The tables and PDFs which describe the content, properties, and application of AISI 4142, can be freely obtained from reliable sources such as steel manufacturers and engineering organizations, to help the process of choosing the correct material and engineering design.
AISI 4142 Alloy Steel Chemical Composition And Grade Table
AISI 4142 is a combination of chromium-molybdenum alloy steel which is famous for its superior toughness and strength properties. Classified mainly from the carbon (C), manganese (Mn), molybdenum (Mo), manganese (Mn) and silicon (Si) as main component along with of chromium (Cr) and phosphorus (P), and sulfur (S) is the chemical composition. Grade tables of AISI 4142 reveal variations of designs including chemical properties and mechanical characteristics like hardness, yield strength, and tensile strengths, which are as a result of various heat treatment techniques. These tables are key references for engineers and manufacturers in the process of choosing the grade of AISI 4142 alloy steel that is applicable to a particular application and, therefore, ensures the best functionality and durability.
| Elements | Iron, Fe | Chromium, Cr | Manganese, Mn | Carbon, C | Silicon, Si | Molybdenum, Mo | Sulfur, S | Phosphorous, P |
|---|---|---|---|---|---|---|---|---|
| Min (%) | - | 0.8 | 0.75 | 0.4 | 0.15 | 0.15 | - | - |
| Max (%) | ≥ 96.725 | 1.1 | 1.1 | 0.45 | 0.3 | 0.25 | ≤ 0.040 | ≤ 0.035 |
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