Silicon Manganese 6517

Silicon Manganese 6517 is a ferroalloy additive produced through high-temperature smelting of manganese ore, silica, and carbon materials. It is primarily used in steelmaking and cast iron production as a deoxidizer and inoculant, improving melt cleanliness, refining grain structure, and enhancing mechanical properties of final castings.

Balanced Composition

Silicon Manganese 6517 typically contains about 65% Mn and 17% Si, providing a balanced and widely accepted industrial-grade alloy ratio for steelmaking.

Low Impurity Control

Strict limits on carbon, phosphorus, and sulfur ensure cleaner steel production and reduced risk of brittle phases in final products.

High Metallurgical Efficiency

The alloy is produced through controlled smelting, ensuring consistent element recovery and stable performance in furnace conditions.

Good Physical Adaptability

With suitable melting behavior and density, it disperses efficiently in molten steel, supporting uniform alloying reactions.

Customizable Grades

Besides 6517, alternative ratios such as 60/14 or other specifications can be supplied according to customer process requirements.

Deoxidation in Steelmaking

Silicon and manganese react with oxygen in molten steel, helping reduce oxygen content and improve steel cleanliness.

Mechanical Property Improvement

Manganese enhances strength and toughness of carbon steel, while silicon contributes to elasticity and heat resistance.

Inoculation in Cast Iron

In foundry applications, it promotes graphite formation, improving machinability and reducing carbide defects in cast iron.

Production Capability

• Equipped with modern submerged arc furnace (SAF) systems, medium-frequency induction furnaces, and automated alloy smelting lines
• Integrated raw material pre-treatment system, including crushing, screening, and precise batching to ensure stable furnace input
• Advanced temperature control and real-time monitoring system during smelting process to improve consistency and energy efficiency
• Strong output capacity designed to support long-term bulk wholesale and contract supply

Quality Assurance

• Strict incoming raw material inspection system
• In-house chemical laboratory testing center, equipped with spectrometer (OES), carbon-sulfur analyzer, and moisture detection equipment
• Each batch undergoes pre-shipment composition verification and sampling inspection
• Compliance with international industrial standards such as ISO quality management system (ISO 9001)
• Support for third-party inspection services (SGS, BV, CIQ or customer-designated inspection agencies)
• Batch traceability system ensuring full production record tracking from furnace to shipment

OEM & Custom Supply

• Custom production based on customer-required chemical composition and specification standards
• Flexible packaging solutions: 1MT / 25kg / 50kg woven bags, jumbo bags (FIBC), steel drums or container bulk loading
• Private label service (branding, marking, labeling)

Global Supply & Logistics

• Export-oriented supply chain system with experience serving Europe, Middle East, Southeast Asia, South America and Africa markets
• Cooperation with major international ports and freight forwarders for stable shipment arrangements
• Flexible shipping solutions: FCL (Full Container Load) and bulk vessel shipment (break bulk / dry bulk)
• Professional loading supervision to ensure accurate weight, safe packing, and moisture protection
• Timely coordination of customs clearance documents to reduce shipping delays

Customer Support & Service

• Dedicated sales and technical team with fast response
• Pre-sales technical support for grade selection, application guidance, and cost optimization suggestions
• Order tracking system with regular production and shipping updates
• After-sales support covering: Quality claim handling, technical feedback response, long-term cooperation improvement suggestions

Q1: What particle size options are typically available?

Common industrial grades range from 0–3 mm, 3–10 mm, and 10–50 mm, depending on addition method (in-stream, ladle, or furnace use).

Q2: How is it added during production?

It is usually added into molten metal during tapping or ladle transfer to ensure uniform distribution and maximum inoculation efficiency.

Q3: Can it be customized for specific steel grades?

Yes. The Si/Mn ratio, impurity limits, and particle size can be adjusted according to specific steel or casting requirements.

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