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ASTM B823-20
Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts
NORMA vydaná dňa 1.4.2020
Informácie o norme:
Označenie normy: ASTM B823-20
Dátum vydania normy: 1.4.2020
Kód tovaru: NS-991911
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM B823-20 :
Keywords:
brass, bronze, copper alloys, copper base, nickel silver, nonferrous powder metallurgy, nonferrous structural parts, powder metallurgy (PM), structural parts,, ICS Number Code 77.120.01 (Non-ferrous metals in general), 77.160 (Powder metallurgy)
Doplňujúce informácie
| 1. Scope | ||||||||||||||
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1.1 This specification covers a variety of copper base powder metallurgy (PM) structural materials, including those used in applications where high electrical conductivity is required. It includes a classification system, or material designation code. With the classification system, this specification includes chemical composition and minimum tensile yield strength. Note 1: Paragraphs 6.1
and 8.1 govern material
classification by the designation code. The classification system
is explained in the Appendix.
Note 2: Materials classified as C-0000 are expected to be used
in applications where high electrical conductivity is
required.
1.2 Units—With the exception of density values, for which the gram per cubic centimetre (g/cm3) unit is the industry standard, the values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||
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