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41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common variant stylings include chrome-moly, cro-moly, CrMo, CRMO, CR-MOLY, and similar).
In addition to the descriptive steel grade naming system indicated above, within EN 10027-2 is defined a system for creating unique steel grade numbers. While less descriptive and intuitive than the grand names they are easier to tabulate and use in data processing applications. The number is in the following format: x.yyzz(zz)
STANAG 4140 - Adoption of a Standard Target Acquisition Meteorological Message (METTA) is a NATO Standardization Agreement to provide meteorological information such as refractive index, temperature, pressure and cloud cover for remotely piloted vehicles, drones, weapon locating radars and sound ranging systems.
4140 [definition needed] 6150, a chromium-vanadium alloy. Similar to 4140, 6150 is a tough steel with high impact resistance. It can be hardened to the mid-50s on the HRC scale. [citation needed] While a common material for swords or hatchets, it is less than ideal for most knives because of its limited attainable hardness.
The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International.. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.
From January 2008 to December 2012, if you bought shares in companies when H. Lee Scott, Jr. joined the board, and sold them when he left, you would have a 37.7 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
By Jonathan Stempel and AJ Vicens (Reuters) - U.S. prosecutors unveiled criminal charges on Wednesday against five alleged members of Scattered Spider, a loose-knit community of hackers suspected ...
Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...