AISI 4140 Alloy Steel Chemical Composition, Grade, Table and PDF Online
AISI 4140 is a very practical alloy steel, widely renowned for its excellent features of strength, toughness, and wear resistance, hence it is applicable for many industrial processes. Its chemical composition includes carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum, in addition to other elements providing enhanced attractions. By casting a grade designation that denotes its material and heat treatment, AISI 4140 can supply excellent hardenability and high tensile strength, therefore ideal to be used as components under high stress and being subjected to heavy loads. The list outlines detailed charts about the chemical composition, mechanical property and the heat treatment recommendation of the material available on the website in PDF. This can be used to help engineers and manufacturers to have a comprehensive guide to the material and processing. Research for reputable sources of accurate information on AISI 4140 and to make sure the application can have superior performance and endurance.
AISI 4140 Alloy Steel Chemical Composition And Grade Table
AISI 4140 type of steel has a great reputation of being very strong, hard and resistant to wear. Such features make it easy to use this type of steel in many industrial sectors. Its chemistry basis features such types of elements as carbon, manganese, phosphorus, sul furthermore, silicum, chromium and meldytium. The table in the AISI 4140 specification shows the levels of constituents expressed in the exact percentages, which guarantees actuality in its mechanical features. The AISI 4140 offers a good mix of things with good hardenability, high machinability, and reliable fatigue strength, which has made it a preferred material in manufacturing gears, shafts, and other critical components in machinery and car sectors.
| Elements | Chromium, Cr | Manganese, Mn | Carbon, C | Silicon, Si | Molybdenum, Mo | Sulfur, S | Phosphorous, P | Iron, Fe |
|---|---|---|---|---|---|---|---|---|
| Min (%) | 0.8 | 0.75 | 0.38 | 0.15 | 0.15 | - | - | - |
| Max (%) | 1.1 | 1 | 0.43 | 0.3 | 0.25 | 0.04 | 0.035 | Balance |
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