Ferro Manganese mn80-c0.7 – Refined Low-Carbon Grade (Mn ≥80%, C ≤0.7%) for Clean Steel & Specialty Alloys
High-purity refined ferro manganese with minimum 80% manganese and ultra-low carbon (max 0.7%), designed for stainless steels, cryogenic applications, and critical alloying where carbon must be minimized.
| Main Composition | Mn ≥80.0%, C ≤0.7%, Si ≤1.2%, P ≤0.12%, S ≤0.015% (typical impurities) |
| Form | Lumps (10-80mm), Granules (2-15mm), Powder (0-2mm, 0-10mm), Custom sizes available |
| Application | Stainless steel (200 series), cryogenic steels, tool steels, clean steel applications, high-performance alloy production |
| Standard | GB/T 3795-2014, ASTM A99, ISO 5447 |
Ferro Manganese mn80-c0.7 – Product Overview
Ferro Manganese mn80-c0.7 is a refined low-carbon grade of ferro manganese with a minimum manganese content of 80% and a maximum carbon content of 0.7%. It is produced through the refining of high-carbon FeMn using silicothermic or electrolytic processes to achieve extremely low carbon and impurity levels. Our mn80-c0.7 grade offers a superior impurity profile (Si, P, S) making it the preferred choice for stainless steels, cryogenic applications, tool steels, and any critical alloying where carbon must be minimized to preserve corrosion resistance, toughness, or formability.
Product Core Advantages
- Ultra-Low Carbon: Maximum 0.7% C, ideal for applications where carbon pick-up must be strictly avoided.
- High Manganese, Low Impurities: Minimum 80% Mn with exceptionally low phosphorus and sulfur for clean steel requirements.
- Versatile Application: Suitable for stainless steels, cryogenic steels, tool steels, and other high-performance alloys.
- Custom Sizing: Available in lumps, granules, or powder to match your specific melting or feeding requirements.
- Stable Supply: Produced in modern refining facilities with strict quality control from raw material to finished product.
Typical Application Areas
Ferro Manganese mn80-c0.7 is essential in many advanced industrial processes:
- Stainless Steel (200 series): Used as a manganese source in austenitic stainless steels where nickel is partially replaced by manganese, while maintaining low carbon for corrosion resistance.
- Cryogenic Steels: Manganese improves low-temperature toughness in steels for LNG tanks and other cryogenic applications, and low carbon ensures no carbide precipitation.
- Tool Steels: Added to certain tool steel grades to improve hardenability and wear resistance without introducing excessive carbon.
- Clean Steel Applications: For critical components like automotive gears, bearings, and aerospace parts where non-metallic inclusions and carbon control are paramount.
- Welding Consumables: Used in the production of low-hydrogen electrodes and flux-cored wires to provide manganese without increasing carbon in the weld metal.
For specific application guidance or custom formulations, contact our technical team for personalized recommendations based on your production requirements.
Technical Specifications – Ferro Manganese mn80-c0.7 & Common Grades
Our Ferro Manganese mn80-c0.7 is produced to meet international standards with strict quality control. Below is the chemical composition of our primary grade (mn80-c0.7) compared with other common industrial grades for reference.
Chemical Composition (Typical Values, % by weight)
| Grade / Designation | Mn (%) | C (%) | Si (%) | P (%) | S (%) | Typical Application |
|---|---|---|---|---|---|---|
| mn80-c0.7 | ≥80.0 | ≤0.7 | ≤1.2 | ≤0.12 | ≤0.015 | Refined low-carbon FeMn for stainless, cryogenic, and clean steels |
| mn65-c7.0 | ≥65.0 | ≤7.0 | ≤2.0 | ≤0.2 | ≤0.03 | Low-grade FeMn for cost-sensitive steel production |
| mn70-c7.5 | ≥70.0 | ≤7.5 | ≤2.0 | ≤0.2 | ≤0.03 | Medium-manganese alloy for standard carbon steels |
| mn75-c2.0 | ≥75.0 | ≤2.0 | ≤1.8 | ≤0.18 | ≤0.02 | Medium-carbon FeMn for alloy steels, low-hydrogen practices |
| mn75-c8.0 | ≥75.0 | ≤8.0 | ≤1.5 | ≤0.2 | ≤0.02 | High-carbon FeMn for general steelmaking, deoxidation |
| mn78-c1.5 | ≥78.0 | ≤1.5 | ≤1.5 | ≤0.15 | ≤0.02 | Low-carbon FeMn for HSLA, pipeline, and specialty steels |
Physical Properties
| Property | Value | Unit |
|---|---|---|
| Melting Point | 1250-1350 | °C |
| Density (at 20°C) | 7.1-7.4 | g/cm³ |
| Appearance | Silvery-gray metallic lumps / granules | - |
| Bulk Density (lumps) | 3.5-4.0 | g/cm³ |
Available Sizes
- Lumps: 10-50mm, 10-80mm, 50-100mm (standard), custom sizes available
- Granules: 2-15mm, 1-6mm
- Powder: 0-2mm, 0-10mm, -100 mesh, -200 mesh
- Custom Sizes: Available upon request to meet specific process requirements
Application Guidelines – Ferro Manganese mn80-c0.7
Ferro Manganese mn80-c0.7 is a versatile material with the following primary applications:
Stainless Steel (200 Series)
In 200 series stainless steels (e.g., 201, 202), manganese is used to partially replace nickel, reducing cost while maintaining austenitic structure. The low carbon content of mn80-c0.7 ensures that corrosion resistance and intergranular corrosion performance are not compromised.
Cryogenic Steels
Steels for cryogenic service (e.g., LNG storage, -196°C) require excellent low-temperature toughness. Manganese improves toughness, and the ultra-low carbon of mn80-c0.7 prevents carbide precipitation that could embrittle the steel at low temperatures.
Tool Steels & High-Speed Steels
In certain tool steel grades, manganese is added to improve hardenability and hot workability. The low carbon content of mn80-c0.7 allows precise control of the final carbon level in these complex alloys.
Clean Steel Applications
For critical components like automotive gears, bearings, and aerospace parts, non-metallic inclusions must be minimized. The low phosphorus and sulfur levels in mn80-c0.7 contribute to cleaner steel with improved fatigue life and performance.
Typical Addition Rates (Stainless Steels)
In 200 series stainless production, manganese addition rates typically range from 5% to 10% of the melt, depending on the specific grade. Our technical team can assist with optimal sizing and addition practices for your AOD or VOD processes.
Packaging & Logistics – Ferro Manganese mn80-c0.7
Packaging Options
We offer various packaging solutions to meet different customer requirements and ensure product integrity during transportation:
- 1‑ton Jumbo Bags: Common option, easy to handle with standard equipment.
- 25kg / 50kg Bags: For smaller orders or specific application requirements (e.g., foundries).
- Custom Packaging: We can accommodate special packaging requests, including moisture-proof liners or small drums.
Logistics Information
| Parameter | Details |
|---|---|
| Minimum Order Quantity | 20 metric tons (less for trial orders, subject to availability) |
| Lead Time | 15-20 days after order confirmation |
| Port of Loading | Main Chinese ports (Tianjin, Shanghai, Qingdao, Huangpu) |
| Shipping Options | FOB, CIF, CFR, DAP (depending on destination) |
| Payment Terms | T/T, L/C at sight, or negotiable |
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Access our technical documentation for detailed product information:
Frequently Asked Questions – Ferro Manganese mn80-c0.7
What is the advantage of mn80-c0.7 over mn78-c1.5?
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mn80-c0.7 has higher manganese (80% min vs. 78% min) and lower carbon (0.7% max vs. 1.5% max), as well as lower phosphorus (0.15% max vs. 0.20% max). This makes it suitable for more demanding applications like stainless steels, cryogenic steels, and clean steel grades where ultra-low carbon and high purity are critical.
Can mn80-c0.7 be used in the production of 300 series stainless steels?
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Yes, but 300 series stainless steels (e.g., 304, 316) typically have low carbon targets (e.g., 0.03% for L grades). While mn80-c0.7 has much lower carbon than high-carbon FeMn, it still contains 0.7% C, so the addition rate must be carefully calculated to avoid exceeding the carbon spec. For L-grade stainless, even lower carbon sources like electrolytic manganese may be required.
What sizes are best for AOD (Argon Oxygen Decarburization) processes?
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For AOD processes, lumps in the range of 10-50mm are typically preferred to ensure efficient dissolution and minimize oxidation losses. However, some operations may use smaller sizes for faster melting. We can supply custom sizes based on your specific AOD practice and alloy addition system.
Is it possible to entrust a third-party inspection to check the quality before shipment?
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Certainly, we support third-party inspections by internationally recognized quality inspection agencies such as SGS and BV to verify product quality before shipment. The inspection covers product appearance, weighing, dimensions, and chemical composition analysis. The entire inspection process will be documented with photos and written records, which will be provided to you together with the final inspection report. This ensures you have no concerns regarding product quality.
Do you provide a certificate of analysis with each shipment?
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Absolutely. Every batch of Ferro Manganese mn80-c0.7 is tested in our ISO 17025 accredited laboratory, and a Certificate of Analysis (COA) showing Mn, C, Si, P, S, and other elements is provided with the shipping documents.
What is your production capacity for mn80-c0.7?
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We have an annual production capacity exceeding 60,000 metric tons of ferro manganese across various grades, including mn65-c7.0, mn70-c7.5, mn75-c2.0, mn75-c8.0, mn78-c1.5, and mn80-c0.7. For refined low-carbon grades like mn80-c0.7, we can produce approximately 15,000 metric tons per year to meet the highest purity standards.
Why Choose Our Ferro Manganese
20+ Years Experience
Specialized in ferroalloy production with deep industry knowledge
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Every batch tested to ensure consistent composition and performance
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HC/MC/LC FeMn Comparison
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