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American Iron And Steel Institute
The American Iron and Steel Institute is an association of North American steel producers. With its predecessor organizations, is one of the oldest trade associations in the United States, dating back to 1855. It assumed its present form in 1908, with Judge Elbert H. Gary, chairman of the United States Steel Corporation, as its first president. Its development was in response to the need for a cooperative agency in the iron and steel industry for collecting and disseminating statistics and information, carrying on investigations, providing a forum for the discussion of problems and generally advancing the interests of the industry. The AISI maintained a numbering system for wrought stainless steel in which the three digits indicate the various compositions. The 200 and 300 series are generally austenitic stainless steels, whereas the 400 series are either ferritic or martensitic. Some of the grades have a one-letter or two-letter suffix that indicates a particular modification ...
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Steelmark Logo
The Steelmark is a logo representing steel and the steel industry owned by the American Iron and Steel Institute, and used by it to promote the product and its manufacturers. The logo was incorporated as the emblem of the Pittsburgh Steelers and Huachipato, the first initially using the same design as the Steelmark, but later modified to include the team's full name. Description The Steelmark consists of three four-pointed starlike figures within a circle. The stars in the design approximate a type of geometric figure called an astroid, a particular type of hypocycloid with four cusps. The original figures were most likely constructed with the help of French curves and a bit of artistic license, as the logo was designed decades before computer-aided graphics came into common use. The actual figures are somewhat more concave than mathematically true astroids. A yellow figure is located at the top of the design, orange to the right and blue on the bottom, with the word "Steel" on ...
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Society Of Automotive Engineers
SAE International, formerly named the Society of Automotive Engineers, is a United States-based, globally active professional association and standards developing organization for engineering professionals in various industries. SAE International's world headquarters is in Warrendale, Pennsylvania, 20 miles north of Pittsburgh, Pennsylvania. Principal emphasis is placed on global transport industries such as aerospace, automotive, and commercial vehicles. The organization adopted the name SAE International to reflect the broader emphasis on mobility. SAE International has over 138,000 global members. Membership is granted to individuals, rather than companies. Aside from its standardization efforts, SAE International also devotes resources to projects and programs in STEM education, professional certification, and collegiate design competitions. For historical legacy reasons, the label "SAE" is commonly used on tools and hardware in North America to indicate United States ...
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Political Advocacy Groups In The United States
Politics (from , ) is the set of activities that are associated with making decisions in groups, or other forms of power relations among individuals, such as the distribution of resources or status. The branch of social science that studies politics and government is referred to as political science. It may be used positively in the context of a "political solution" which is compromising and nonviolent, or descriptively as "the art or science of government", but also often carries a negative connotation.. The concept has been defined in various ways, and different approaches have fundamentally differing views on whether it should be used extensively or limitedly, empirically or normatively, and on whether conflict or co-operation is more essential to it. A variety of methods are deployed in politics, which include promoting one's own political views among people, negotiation with other political subjects, making laws, and exercising internal and external force, including wa ...
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Pittsburgh Steelers
The Pittsburgh Steelers are a professional American football team based in Pittsburgh. The Steelers compete in the National Football League (NFL) as a member club of the American Football Conference (AFC) North division. Founded in , the Steelers are the seventh-oldest franchise in the NFL, and the oldest franchise in the AFC. In contrast with their status as perennial also-rans in the pre- merger NFL, where they were the oldest team never to have won a league championship, the Steelers of the post- merger (modern) era are among the most successful NFL franchises, especially during their dynasty in the 1970s. The team is tied with the New England Patriots for the most Super Bowl titles at six, and they have both played in (sixteen times) and hosted (eleven times) more conference championship games than any other team in the NFL. The Steelers have also won eight AFC championships, tied with the Denver Broncos, but behind the Patriots' record eleven AFC championships. The team i ...
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Metal Building Manufacturers Association
The Metal Building Manufacturers Association (MBMA) was founded in 1956 and promotes the design and construction of metal building systems in the low-rise, non-residential building marketplace. A non-profit trade organization, MBMA's headquarters is in Cleveland, Ohio. The organization consists of building system members, who are certified according to standards which have been set by the International Accreditation Service of the International Code Council, and associate members, who work in the metal building industry. MBMA has a General Manager, and it has a chairman and Board of Directors who are elected by members on an annual basis. MBMA History The Metal Building Manufacturers Association, commonly known as the MBMA, was founded in 1956 by a group of companies that designed, manufactured, and marketed metal buildings. The first group of 13 metal building systems companies came together under the leadership of Wilbur B. Larkin in order to work together to promote metal buildi ...
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List Of Steel Producers
This is a list of the largest steel-producing companies in the world mostly based on the list by the World Steel Association. This list ranks steelmakers by volume of steel production in millions of tonnes and includes all steelmakers with production over 10 million in 2021. The World Steel Association compiles a list from its members every year. Note that due to mergers, year-to-year figures for some producers are not comparable. Also note that not all steel is the same; some steel is more valuable than other steel, so volume is not the same as turnover. Top producers by volume Other top steel producers by volume * Acerinox, Spain * Aisha Steel Mills, Pakistan * Aichi Steel Corporation, Japan * Allegheny Technologies, United States * Altos Hornos de México, Mexico * Angang Steel Company Limited, China * Anyang Steel, China * Aperam, Luxembourg * Arrium, Australia * BlueScope, Australia * British Steel Ltd, United Kingdom * BSRM, Bangladesh * Byelorussian Steel Works, Bel ...
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World Steel Association
World Steel Association, often abbreviated as worldsteel, is the international trade body for the iron and steel industry. The association is one of the largest and most dynamic industry associations in the world, with members in every major steel-producing country. worldsteel represents steel producers, national and regional steel industry associations, and steel research institutes. Members represent around 85% of global steel production. It is a non-profit organisation with its headquarters in Brussels, Belgium and a second office in Beijing, China, whose purpose is to promote steel and the steel industry to customers, the industry, media and the general public. Membership Companies must produce at least 2 million tonnes of steel and operate as independent commercial enterprises in order to be eligible for regular membership. The World Steel Association publishes a list of the top steel-producing companies every year. Areas of activity The World Steel Association's key are ...
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John P
John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second Epistle of John, often shortened to 2 John * Third Epistle of John, often shortened to 3 John People * John the Baptist (died c. AD 30), regarded as a prophet and the forerunner of Jesus Christ * John the Apostle (lived c. AD 30), one of the twelve apostles of Jesus * John the Evangelist, assigned author of the Fourth Gospel, once identified with the Apostle * John of Patmos, also known as John the Divine or John the Revelator, the author of the Book of Revelation, once identified with the Apostle * John the Presbyter, a figure either identified with or distinguished from the Apostle, the Evangelist and John of Patmos Other people with the given name Religious figures * John, father of Andrew the Apostle and Saint Peter * Pope Joh ...
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Quincy Bent
Quincy Bent (July 28, 1879–May 5, 1955) was an American businessman who served as vice president of Bethlehem Steel. Early life Bent was born on July 28, 1879 in Steelton, Pennsylvania to Luther Stedman Bent, superintendent of the Pennsylvania Steel Company's plant at Steelton, and Mary Stearns Felton Bent, daughter of Pennsylvania Steel president Samuel Morse Felton Sr. When Felton died in 1889, Luther S. Bent succeed him as president and the family relocated to Philadelphia. Career Bent graduated from Williams College in 1901, and began working at Pennsylvania Steel's Steelton plant. In 1909, he was named assistant to the president of the Maryland Steel Company, a subsidiary of Pennsylvania Steel. In 1916, Pennsylvania Steel was acquired by Bethlehem Steel and Bent became general manager of the Steelton plant. Bethlehem chairman Charles M. Schwab described Bent as "the biggest asset we bought in Pennsylvania Steel". In 1918 he was appointed vice president in charge of stee ...
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SAE Steel Grades
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 and overlapped significantly. For several decades the systems were united into a joint system designated the AISI/SAE steel grades. In 1995 the AISI turned over future maintenance of the system to SAE because the AISI never wrote any of the specifications. Today steel quotes and certifications commonly make reference to both SAE and AISI, not always with precise differentiation. For example, in the alloy/grade field, a certificate might refer to "4140", "AISI 4140", or "SAE 4140", and in most light-industrial applications any of the above is accepted as adequate, and considered equivalent, for the job at hand, as long as the specific specificati ...
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Members Of American Iron And Steel Institute Inspecting The Ore Docks, Cleveland, Oct
Member may refer to: * Military jury, referred to as "Members" in military jargon * Element (mathematics), an object that belongs to a mathematical set * In object-oriented programming, a member of a class ** Field (computer science), entries in a database ** Member variable, a variable that is associated with a specific object * Limb (anatomy), an appendage of the human or animal body ** Euphemism for penis * Structural component of a truss, connected by nodes * User (computing), a person making use of a computing service, especially on the Internet * Member (geology), a component of a geological formation * Member of parliament * The Members, a British punk rock band * Meronymy, a semantic relationship in linguistics * Church membership, belonging to a local Christian congregation, a Christian denomination and the universal Church * Member, a participant in a Club (organization), club or learned society See also

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Martensitic
Martensite is a very hard form of steel crystalline structure. It is named after German metallurgist Adolf Martens. By analogy the term can also refer to any crystal structure that is formed by diffusionless transformation. Properties Martensite is formed in carbon steels by the rapid cooling (quenching) of the austenite form of iron at such a high rate that carbon atoms do not have time to diffuse out of the crystal structure in large enough quantities to form cementite (Fe3C). Austenite is gamma-phase iron (γ-Fe), a solid solution of iron and alloying elements. As a result of the quenching, the face-centered cubic austenite transforms to a highly strained body-centered tetragonal form called martensite that is supersaturated with carbon. The shear deformations that result produce a large number of dislocations, which is a primary strengthening mechanism of steels. The highest hardness of a pearlitic steel is 400  Brinell, whereas martensite can achieve 700 Bri ...
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