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ASTM A99-03(2019)

Действует
Standard Specification for Ferromanganese — 3 стр.
Реферат

This specification covers standards for ferromanganese (Grades A, B, and C), medium-carbon ferromanganese (Grades A, B, C, D, and nitrided) and low-carbon ferromanganese (Grades A and B). The ferroalloys shall conform to manganese, carbon, silicon, phosphorus, sulfur, and nitrogen contents specific to different material grades. Materials shall also adhere to content limits of arsenic, tin, lead and chromium. The material shall be available in standard sizes, tolerances, and friability ratings.

Область применения

1.1 This specification covers ten grades of ferromanganese, designated as follows:

Standard ferromanganese

Grade A

 

Grade B

 

Grade C

Medium-carbon ferromanganese

Grades A, B, C, and D

 

Nitrided

Low-carbon ferromanganese

Grade A

 

Grade B

1.2 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.

1.3 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.

ICS
77.100 Ferroalloys. Including classification, designation, sampling, chemical analysis, etc. / Ферросплавы. Включая классификацию, обозначение, отбор образцов, химический анализ и т.д.
Сборник ASTM
01.02 Ferrous Castings; Ferroalloys / Стальное литье, Ферросплавы