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ASTM B403-20
Standard Specification for Magnesium-Alloy Investment Castings
NORMA vydaná dňa 1.11.2020
Informácie o norme:
Označenie normy: ASTM B403-20
Dátum vydania normy: 1.11.2020
Kód tovaru: NS-1012985
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM B403-20 :
This specification covers magnesium-alloy investment castings designated as AM100A, AZ81A, AZ91C, AZ91E, AZ92A, EQ21A, EZ33A, K1A, QE22A, ZE41A, and ZK61A. Sufficient stock shall be allowed for shrinkage and, where required, for finishing; but castings of excessive weight shall not be furnished. The castings shall conform to the chemical composition requirements prescribed for magnesium, aluminum, manganese, zinc, zirconium, rare earth elements, copper, nickel, silicon, iron, and other impurities, as determined by chemical analysis, and shall meet the specified requirements for the tensile properties such as tensile strength, yield strength, and elongation. Requirements for heat treatment and tensile test are detailed. The castings shall be of uniform quality and condition, free from cracks and other injurious defects, shall be cleaned before inspection by blasting or other approved process, and shall not be repaired by welding, impregnation, peening, or other method unless it is required.
Keywords:
investment castings, magnesium alloy,, ICS Number Code 77.150.20 (Magnesium products)
Doplňujúce informácie
| 1. Scope | ||||||||||||||||||||||||||||||||||
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1.1?This specification covers magnesium-alloy investment castings designated as shown in Table 1. 1.2?Alloy designations are in accordance with Practice E527; temper designations are in accordance with Practice B296. 1.3?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4?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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