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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)
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. These efforts were similar ...
The "school grade" system has historically been a scale of 0 to 10, but all grades lower than 4 have been discarded. Thus, it is now divided between 4, the failing grade, and 5–10, the succeeding grades. Upper secondary school has the same grades for courses and course exams as a comprehensive school but matriculation examination grades are ...
Some US universities also provide guidance for converting different grading systems into 4.0 scale grading. For example, UC Berkeley has a GPA Conversion chart for non-US grading systems. [4] The lower grade ranges in 0-100 scale are given higher grades than usual in 4.0 scale for Chinese grading systems.
A UNS-derived system known as ISC (in Chinese 统一数字代号, literally "unified numeric designator") is used in China in parallel to the composition-based nomenclature. [6] Individual grades may receive the same number (e.g. S31603), a slightly different number (e.g. S30400/S30408, S17400/S17440), or a totally different one (e.g. S20200 ...
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Software to compare different tool steel grades based on their properties: Steel-guide EU based on A.I.S.I. norm and Steel-guide GB based on British Steel norm. Suggested tool steel selections for various purposes; Comparison of tool steel standards; Tool Steel Chemical Composition Archived 2009-11-28 at the Wayback Machine
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