ASTM A99-03(2019)
(Specification)Standard Specification for Ferromanganese
Standard Specification for Ferromanganese
ABSTRACT
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.
SCOPE
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.
General Information
- Status
- Published
- Publication Date
- 31-Oct-2019
- Technical Committee
- A01 - Steel, Stainless Steel and Related Alloys
- Drafting Committee
- A01.18 - Castings
Relations
- Effective Date
- 01-Nov-2019
- Effective Date
- 01-Nov-2015
- Effective Date
- 01-Oct-2013
- Effective Date
- 01-Oct-2010
- Effective Date
- 01-May-2009
- Effective Date
- 01-May-2004
- Effective Date
- 10-May-2001
- Effective Date
- 10-May-2001
- Effective Date
- 01-Nov-2019
Overview
ASTM A99-03(2019): Standard Specification for Ferromanganese is an internationally recognized specification developed by ASTM International. This standard defines quality, chemical composition, and physical property requirements for ferromanganese used in steelmaking and related alloy industries. Covering ten specific grades, including standard, medium-carbon, nitrided, and low-carbon variants, ASTM A99 ensures materials meet strict criteria for essential elements and impurity limits. The standard also outlines provisions for product sizing, friability, and supplementary requirements, supporting consistent quality in global manufacturing and supply chains.
Key Topics
Grades Covered
- Standard Ferromanganese: Grades A, B, C
- Medium-Carbon Ferromanganese: Grades A, B, C, D, and nitrided
- Low-Carbon Ferromanganese: Grades A, B
Chemical Composition
Products must meet specified ranges or maximums for:- Manganese
- Carbon
- Silicon
- Phosphorus
- Sulfur
- Nitrogen (for nitrided grades)
Supplementary limits are set for arsenic, tin, lead, and chromium to ensure material quality and safety.
Physical Properties
- Materials must be supplied in standard sizes with defined size tolerances.
- Friability ratings are provided, reflecting the degree to which the material may break down during handling and transport.
Documentation and Traceability
- Manufacturers are required to supply analysis certificates for each shipment, confirming compliance with specified chemical requirements.
Applications
Ferromanganese, as covered by ASTM A99, is a vital ferroalloy additive used primarily in the steel industry. Its high manganese content and controlled impurity levels make it essential for:
Steel Production
- Acts as a deoxidizer and desulfurization agent in steelmaking
- Improves the mechanical properties and wear resistance of steel products
- Supports production of low- and medium-carbon steels for various structural and engineering applications
Foundry and Alloy Manufacturing
- Essential in the production of cast iron and special steels
- Used to achieve precise alloy chemistries in specialty applications
Global Supply Chains
- Standardized requirements facilitate international trade and sourcing
- Ensures compatibility and reliable performance across different markets
Related Standards
When referencing ASTM A99 for ferromanganese, consider these related standards to ensure comprehensive compliance and testing:
- ASTM A1025/A1025M: General requirements for ferroalloys and other alloying materials, including supplementary and shipment-specific requirements.
- ASTM E11: Specification for woven wire test sieve cloth and test sieves, used for particle sizing in material grading.
- Other ASTM Ferroalloy and Steel Standards: Consider the specific requirements for alloying additions and base metals relevant to your process.
Adherence to ASTM A99-03(2019) helps ensure that ferromanganese supplied and used in steelmaking reliably meets industry standards for quality, safety, and performance, supporting efficient production, regulatory compliance, and optimized material properties.
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Frequently Asked Questions
ASTM A99-03(2019) is a technical specification published by ASTM International. Its full title is "Standard Specification for Ferromanganese". This standard covers: ABSTRACT 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. SCOPE 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.
ABSTRACT 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. SCOPE 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.
ASTM A99-03(2019) is classified under the following ICS (International Classification for Standards) categories: 77.100 - Ferroalloys. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM A99-03(2019) has the following relationships with other standards: It is inter standard links to ASTM A99-03(2014), ASTM A1025/A1025M-10(2015), ASTM E11-13, ASTM A1025/A1025M-10, ASTM E11-09e1, ASTM E11-04, ASTM E11-01, ASTM E11-95, ASTM A1025/A1025M-10(2020). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM A99-03(2019) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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.
Designation: A99 −03 (Reapproved 2019)
Standard Specification for
Ferromanganese
This standard is issued under the fixed designationA99; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves
1.1 This specification covers ten grades of ferromanganese,
designated as follows:
3. General Conditions for Delivery
Standard ferromanganese Grade A
3.1 Materials furnished to this specification shall conform to
Grade B
Grade C the requirements of Specification A1025/A1025M, including
Medium-carbon ferromanganese Grades A, B, C, and D
any supplementary requirements that are indicated in the
Nitrided
purchase order. Failure to comply with the general require-
Low-carbon ferromanganese Grade A
Grade B ments of Specification A1025/A1025M constitutes nonconfor-
mance with this specification. In case of conflict between the
1.2 The values stated in inch-pound units are to be regarded
requirements of this specification and Specification A1025/
as standard. The values given in parentheses are mathematical
A1025M, this specification shall prevail.
conversions to SI units that are provided for information only
and are not considered standard.
4. Chemical Composition
1.3 This international standard was developed in accor-
4.1 The material shall conform to the requirements as to
dance with internationally recognized principles on standard-
chemical composition specified in Table 1.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- 4.2 The manufacturer shall furnish an analysis of each
mendations issued by the World Trade Organization Technical shipment showing the percentage of each element specified.
Barriers to Trade (TBT) Committee.
5. Size
2. Referenced Documents
5.1 The various grades are available in sizes as listed in
2.1 ASTM Standards: Table 2.
A1025/A1025M Specification for Ferroalloys and Other Al-
5.2 The sizes and friability ratings listed in Table 2 are
loying Materials, General Requirements
typical as shipped from the manufacturer’s plant. These alloys
exhibit varying degrees of friability; therefore, some attrition
may be expected in transit, storage, and handling. A code
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
system has been developed. Therefore, for this purpose, a
A01.18 on Castings.
number rating for each product type is shown in the last
Current edition approved Nov. 1, 2019. Published November 2019. Originally
column of Table 2. Definitions applicable to these code
approved in 1925. Last previous edition approved in 2014 as A99 – 03 (2014). DOI:
10.1520/A0099-03R19.
numbers are given in Specification A1025/A1025M.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6. Keywords
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 6.1 ferroalloy; ferromanganese
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
A99 − 03 (2019)
TABLE 1 Chemical Requirements
Nitrided
Low-Carbon
Standard Ferromanganese Medium-Carbon Ferromanganese Medium-
Ferromanganese
Carbon
Ferroman-
Grade A Grade B Grade C Grade A Grade B Grade C Grade D Grade A Grade B
ganese
A
Manganese, % 78.0 to 82.0 76.0 to 78.0 74.0 to 76.0 80.0 to 85.0 80.0 to 85.0 80.0 to 85.0 80.0 to 85.0 75 to 80 85.0 to 90.0 80.0 to 85.0
A
Carbon, max, % 7.5 7.5 7.5 1.5 1.5 1.5 1.5 1.5 As specified 0.75
A
Silicon, max, % 1.2 1.2 1.2 1.5 1.0 0.70 0.35 1.5 2.0 5.0 to 7.0
Phosphorus, max, % 0.35 0.35 0.35 0.30 0.30 0.3
...
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