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Standard Specification for Ferromanganese
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.
1.1 This specification covers ten grades of ferromanganese, designated as follows:
|
Ferromanganese Type |
Grades |
|
Standard ferromanganese |
A, B, and CV |
|
Medium-carbon ferromanganese |
A, B, C, D, and Nitrided |
|
Low-carbon ferromanganese |
A and 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.
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