Alacrite (also known as Alloy L-605 , Cobalt L-605 , Haynes 25 , and occasionally F90 ) is a family of cobalt -based alloys . The alloy exhibits useful mechanical properties and is oxidation- and sulfidation -resistant.
15-449: F90 or F-90 may refer to: Science and technology [ edit ] Alacrite , a cobalt-based alloy also known as F90 Beechcraft King Air F90, a twin engine turboprop airplane BMW M5 (F90) , a 6th generation of high performance variant of the BMW 5 Series Conventional farad , a unit of measurement, symbol F 90 Fortran 90 ,
30-528: A computer programming language Hyperkinetic disorder (ICD-10 code) Nikon F90 , a 35mm SLR camera Military [ edit ] Lockheed XF-90 F90 assault rifle , an assault rifle by Thales Australia , a development of the Steyr AUG assault rifle Other uses [ edit ] F-90 (comics) , a fictional likeness of the Lockheed XF-90 [REDACTED] Topics referred to by
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60-561: A standard for the steel used to fabricate rails. In 1961, originally called the "American Society for Testing Materials" it was changed to "American Society for Testing And Materials". In 2001, ASTM officially changed its name to "ASTM International" and added the tagline "Standards Worldwide". In 2014, the tagline changed to "Helping our World Work better." Now, ASTM International has offices in Belgium, Canada, China, Peru, Washington, D.C., and West Conshohocken, PA. In April of 2016,
75-691: Is classified by the United States Internal Revenue Service as a 501(c)(3) nonprofit organization. ASTM International has no role in requiring or enforcing compliance with its standards. The standards may become mandatory when referenced by an external contract, corporation, or government. In the United States, ASTM standards have been adopted, by incorporation or by reference, in many federal, state, and municipal government regulations. The National Technology Transfer and Advancement Act , passed in 1995, requires
90-440: Is composed primarily of cobalt (Co), with a specified mixture of chromium (Cr), tungsten (W), nickel (Ni), iron (Fe) and carbon (C), as well as small amounts of manganese (Mn), silicon (Si), and phosphorus (P). The tungsten and nickel improve the alloy's machinability, while chromium contributes to its solid-solution strengthening. The following tolerances must be met to be considered an L-605 alloy: The alloy
105-461: Is different from Wikidata All article disambiguation pages All disambiguation pages Alacrite One member of the family, XSH Alacrite, is described as "a non-magnetic, stainless super-alloy whose high surface hardness enables one to achieve a mirror quality polish." The Institut National de Métrologie in France has also used the material as a kilogram mass standard. L-605
120-612: Is in West Conshohocken, Pennsylvania , about 5 mi (8.0 km) northwest of Philadelphia . It was founded in 1902 as the American Section of the International Association for Testing Materials. In 1898, a group of scientists and engineers , led by Charles Dudley , formed ASTM to address the frequent rail breaks affecting the fast-growing railroad industry. The group developed
135-462: Is manufactured and tested. This alloy-related article is a stub . You can help Misplaced Pages by expanding it . ASTM International ASTM International , formerly known as American Society for Testing and Materials , is a standards organization that develops and publishes voluntary consensus technical international standards for a wide range of materials, products, systems and services. Some 12,575 apply globally. The headquarters
150-564: The Safety Equipment Institute (SEI) became a subsidiary of ASTM International. SEI is an accredited third-party certification organization that certifies various types of PPE to industry consensus standards. On June 9, 2022, it was announced that the European Committee for Standardization (CEN) and ASTM International agreed to extend and expand a Technical Cooperation Agreement from 2019. Membership in
165-432: The context of other technical commodities, and end-users such as consumers. To meet the requirements of antitrust laws, producers must constitute less than 50% of every committee or subcommittee, and votes are limited to one per producer company. Because of these restrictions, there can be a substantial waiting-list of producers seeking organizational memberships on the more popular committees. Members can participate without
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#1732776722813180-475: The federal government to use privately developed consensus standards whenever possible. The Act reflects what had long been recommended as best practice within the federal government. Other governments have also referenced ASTM standards. Corporations doing international business may choose to reference an ASTM standard. All toys sold in the United States must meet the safety requirements of ASTM F963, Standard Consumer Safety Specification for Toy Safety, as part of
195-490: The organization is open to anyone interested in its activities. Standards are developed within committees, and new committees are formed as needed, upon request of interested members. Membership in most committees is voluntary and is initiated by the member's request, not by appointment or invitation. Members are classified as users, producers, consumers, and "general interest". The latter includes academics and consultants. Users include industry users, who may be producers in
210-448: The same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=F90&oldid=1167585572 " Category : Letter–number combination disambiguation pages Hidden categories: Short description
225-478: Was originally developed for application in aircraft, including combustion chambers, liners, afterburners and the hot section of gas turbines. It has also been used in aerospace components and turbine engines as well as drug-eluting and other kinds of stents due to its biocompatibility . When used for implantable medical devices , the ASTM F90-09 and ISO 5832-5:2005 specifications dictate how L-605
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