ASTM B103 PDF

Samulabar This specification covers plate, rolled bar, sheet, and strip of copper-tin alloy phosphor bronze platecopper-tin-lead alloy leaded phosphor bronzeand copper-tin-lead-zinc alloy bearing bronze. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The following alloys are covered: Within the text, SI units are shown in brackets.

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Nalkree Link to Active This link will always route to the current Active version of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

Asgm shall be manufactured by hot or cold working, rolling, and annealing. Copper alloys covered include UNS Nos. Historical Version s — view previous versions of standard. Chemical composition testing shall be performed for each element, namely, copper, iron, lead, phosphorus, tin, and zinc. Product shall conform to chemical analysis, tensile strength and Rockwell hardness tests specified in the specification.

The bearing bronze is used in bushings, bearings, and load-bearing thrust washers. This specification covers plate, rolled bar, sheet, and strip of copper-tin alloy phosphor bronze plateb alloy leaded phosphor bronzeand copper-tin-lead-zinc alloy bearing bronze. This abstract is a brief summary of the referenced standard. Within the text, SI units are shown in brackets.

The following alloys are covered: All of the above alloys contain small amounts of phosphorus, used as a deoxidant in melting, and to enhance the mechanical properties. C B 92 8. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ASTM B Grade C H08 It is informational only and not an official part of the standard; the full text of the standard xstm must be referred to for its use and application.

Chemical composition of the materials shall conform to UNS designation of the material. Tension test shall be made so that the longitudinal axis of the specimen is parallel to direction of rolling.

The phosphor bronzes commonly are used for deep drawing into bellows and stamping and forming into spring devices and into terminals and connectors for electrical apparatus because they combine high strength with high elongation. The leaded phosphor bronzes are used where strength, corrosion resistance, and machinability are required.

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