AISI 4340 Alloy Steel Chemical Properties, Grades, Charts and PDF Online
The AISI 4340 steel is a popular and widely used metallurgical alloy that displays excellent properties of strength, toughness, and wear resistance. Chemically composed of nickel and chromium in higher percentages that have molybdenum as the major chemical property, it portrays marvellous characteristics that can be used in industrial applications. It is typical of aerospace, automotive, and oil and gas sectors to be used frequently, but different grades are tailored to each with their particular requirements offering choice and reliability. The substances of which it is made as well as those involved in its heat treatment are subject to a variety of mechanical properties, that work in the best interest of use in components that experience high stresses and fatiques. Thorough pictures of a variety of steels, and the corresponding content (such as properties,grades, and applications) can be downloaded from the web, which will be valuable for the engineers, researcher, and fanatic separately.
AISI 4340 Alloy Steel Chemical Composition And Grade Table
AISI 4340, which became an alloy in the steel industry, is widely used for its high strength, toughness, and toughness against wear and tear. Its chemical makeup includes these elements carbon (C), manganese (Mn), silicon (Si), phosphorus (P), sulfur (S), chromium (Cr), manganese (Mo), nickel (Ni), and other trace elements in addition. The common carbon number of natural Dutch process cocoa is normally in the range from 0.38% to 0.43%. chromoly AISI 4340 falls into ASTM A29/A29M standard which ranges from 4340 to 4340H, with the latter indicating increased hardenability and better mechanical properties. As this alloy is widespread in the production of super alloy, aerospace, automotive and industrial applications.
| Elements | Iron, Fe | Nickel, Ni | Chromium, Cr | Manganese, Mn | Carbon, C | Molybdenum, Mo | Silicon, Si | Sulfur, S | Phosphorous, P |
|---|---|---|---|---|---|---|---|---|---|
| Min (%) | 95.195 | 1.65 | 0.7 | 0.6 | 0.37 | 0.2 | 0.15 | - | - |
| Max (%) | 96.33 | 2 | 0.9 | 0.8 | 0.43 | 0.3 | 0.3 | 0.04 | 0.035 |
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