Description

Manganese Alloy, Base, Mn 74-82,Fe 8-19,C 6.9-7.5,Si 0-1.2,P 0-0.4 (Astm A99) is a high-carbon ferromanganese alloy specifically formulated to meet the stringent ASTM A99 standard for use in steelmaking and foundry applications. This product matters because it provides a reliable and cost-effective source of manganese, a critical element for enhancing the strength, hardness, and wear resistance of ferrous metals. Primary users include steel mills, foundries, and ferroalloy traders who require a consistent, specification-grade additive to produce high-quality carbon and low-alloy steels, as well as cast iron.

Application

• Steel Production: As a deoxidizer and desulfurizer to improve the cleanliness and mechanical properties of molten steel.
• Alloying Agent: To introduce manganese as a primary alloying element in the manufacture of carbon steels and high-strength low-alloy (HSLA) steels.
• Foundry Operations: For the production of manganese-rich cast iron and steel castings, enhancing hardness and abrasion resistance.
• Welding Electrode Manufacturing: As a raw material in the coating of welding rods and wires to transfer alloying elements into the weld metal.
• Non-Ferrous Alloy Production: Used in the creation of certain copper-based and aluminum-based alloys to improve strength.
• Hardfacing Applications: As a component in hardfacing alloys to rebuild or coat surfaces subject to severe impact and wear.

Basic Information

Product Name	Manganese Alloy, Base, Mn 74-82,Fe 8-19,C 6.9-7.5,Si 0-1.2,P 0-0.4 (Astm A99)
CAS No.	12604-53-4
Molecular Formula	Not applicable (Metallic Alloy)
Molecular Weight	Not applicable
Synonyms	High-Carbon Ferromanganese; HC FeMn; ASTM A99 Ferromanganese; Foundry Grade Ferromanganese; Standard Ferromanganese; FeMn; Ferro Manganese; Manganese Iron Alloy
EINECS	Contact for details

Quality Control

Our Manganese Alloy is produced and tested to comply with the chemical composition requirements of ASTM A99, ensuring batch-to-batch consistency for critical metallurgical processes. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing the precise percentages of Mn, Fe, C, Si, and P.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated warehouse away from moisture and incompatible materials such as strong acids and oxidizers. Keep containers sealed when not in use to prevent oxidation and moisture absorption.

Specification

Item	Specification
Manganese (Mn)	74 - 82 %
Iron (Fe)	8 - 19 %
Carbon (C)	6.9 - 7.5 %
Silicon (Si)	0 - 1.2 %
Phosphorus (P)	0 - 0.4 %
Sulfur (S)	Contact for details
Appearance	Lumpy metallic solid
Standard	ASTM A99

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.