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ASTM A325
ASTM A325 is an ASTM International standard for heavy hex structural Bolt (fastener), bolts, titled ''Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength''. It defines mechanical properties for bolts that range from in diameter. The equivalent metric standard is ASTM A325M, which is titled ''Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength''. It defines mechanical properties for sizes M12–36.. This is a standard set by the standards organization ASTM International, a voluntary standards development organizations that sets technical standards for materials, products, systems, and services. In 2016, ASTM officially withdrew specification A325 and replaced it with ASTM F3125. To minimize confusion, bolt head markings are unchanged and the designation A325 is retained as a grade name within the new standard. In 1951, A325 bolts were recognized as equivalent to a hot driven ASTM A141 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
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 is in West Conshohocken, Pennsylvania, about northwest of Philadelphia. It was founded in 1902 as the American Section of the International Association for Testing Materials. In addition to its traditional standards work, ASTM operates several global initiatives advancing additive manufacturing, advanced manufacturing, and emerging technologies, including the Additive Manufacturing Center of Excellence (AM CoE), the acquisition oWohlers Associatesfor market intelligence and advisory services, and the National Institute of Standards and Technology, NIST-funded Standardization Center of Excellence (SCOE). History In 1898, a group of scientists and engineers, led by chemist, industry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Unified Thread Standard
The Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada. It is the main standard for bolts, nuts, and a wide variety of other threaded fasteners used in these countries. It has the same 60° profile as the ISO metric screw thread, but the characteristic dimensions of each UTS thread (outer diameter and pitch) were chosen as an inch fraction rather than a millimeter value. The UTS is currently controlled by American Society of Mechanical Engineers, ASME/American National Standards Institute, ANSI in the United States. Origins Basic profile Each thread in the series is characterized by its major diameter and its pitch, . UTS threads consist of a symmetric V-shaped thread. In any plane containing the thread axis, the flanks of the V have an Thread angle, angle of 60° to each other. The outermost and the innermost of the height of the V ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Hex Cap Screw-ASTM A325M 8S3
Hex usually refers to: * A curse or supposed real and potentially supernaturally realized malicious wish * Hexadecimal, a base-16 number system often used in computer nomenclature Hex, HEX, or The Hex may also refer to: Magic * Hex sign, a barn decoration originating in Pennsylvania Dutch regions of the United States * Hex work, a Pennsylvania Dutch (German) folk magic system also known as pow-wow (folk magic), pow-wow Engineering and technology * Hex key, a tool also known as a hex wrench or Allen wrench, used to drive fasteners * Hex key, a number sign (#) key on telephones (regional term used in Singapore and Malaysia) * High-energy X-rays, sometimes abbreviated "HEX-rays" * Hexcentric, an item of climbing protection equipment * Heat exchanger, a device for heat transfer * Hypersonic Flight Experiment, a planned mission of the Indian Space Research Organisation * Intel HEX, a computer file format * Uranium hexafluoride, a compound used in nuclear fuel refinement * Hex c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
