Description
1. Product Overview
Manganese slag is a high‑purity metallurgical by‑product derived from the steel‑making furnace cycle. It serves as a critical raw material for the production of ferromanganese, manganese alloys, and as a performance enhancer in construction‑grade cement. Its value proposition lies in delivering consistent chemical composition, superior reactivity, and cost‑effective substitution for virgin manganese ore. Strategically, manganese slag enables firms to meet tightening ESG regulations while securing a reliable supply of a high‑demand commodity in the global metals‑to‑energy value chain.
2. Key Specifications & Technical Characteristics
Chemical Composition (typical range)
MnO: 30 % – 38 %
Fe₂O₃: 2 % – 6 %
SiO₂: 0.5 % – 2 %
CaO: 1 % – 3 %
Al₂O₃: ≤ 0.5 %
MgO: ≤ 0.3 %
Trace elements (Cr, Ni, V) < 0.1 % each
Purity / Grade
Certified “High‑Purity Mn‑Slag” – ≥ 98 % MnO equivalent (on a dry basis)
Physical Characteristics
Form: Granular pellets (10 mm – 30 mm) and fine powder (≤ 150 µm)
Color: Dark gray to black, non‑metallic luster
Bulk density: 2.2 – 2.5 t/m³ (granular) / 1.4 – 1.6 t/m³ (powder)
Moisture content: ≤ 0.5 % (as‑received)
Packaging Options
Bulk bulk‑carrier (70 ft open‑top container, 21 t per container)
Flexible‑sided bags (25 kg, 200 kg) for specialty orders
Bulk rail‑car lot (20 t per railcar)
Shelf Life
Unlimited under dry, sealed storage; recommended storage < 30 % relative humidity
Origin
Produced from integrated steel mills in the United States, Europe, and China, with full traceability to source furnace
3. Core Industrial Applications
Ferromanganese & Manganese Alloy Production
Direct reduction feedstock; provides MnO and FeO balance that lowers furnace energy consumption by up to 12 % versus virgin ore.
Cement & Concrete Additive
Acts as a pozzolanic enhancer, accelerating early strength gain and reducing clinker factor by 5‑7 % – delivering lower CO₂ emissions per ton of cement.
Battery‑Grade Electrolyte & Lithium‑Ion Recycling
Pre‑cursor for high‑purity manganese carbonate, essential for cathode material synthesis; offers lower impurity load, reducing downstream purification costs.
Road Construction & Asphalt Stabilizer
Improves skid resistance and fatigue life of pavement layers; substitutes up to 15 % of conventional filler while cutting material cost.
Why it outperforms alternatives:
Higher MnO availability per ton than most natural ore, delivering superior alloy chemistry.
Lower impurity profile, minimizing furnace slag build‑up and extending equipment life.
Cost advantage of 8‑10 % versus primary manganese ore, with comparable performance.
4. Competitive Advantages
Quality Consistency – Certified batch‑to‑batch composition with ISO 9001 and SGS analytical reports.
Supply Reliability – Multi‑site production network guarantees 99 % on‑time delivery across all major ports.
Logistics Capability – Dedicated freight forwarding, real‑time shipment tracking, and option for on‑site unloading equipment.
Price Competitiveness – Tiered pricing model that rewards volume commitments; current FOB pricing 8 % below market benchmark.
Sustainability – By‑product utilization reduces steel‑making carbon intensity; documented ESG credit eligible for Scope 3 reporting.
Technical Support – Full data‑sheet library, application notes, and on‑demand metallurgical engineering consultancy.
5. Commercial & Supply Information
Minimum Order Quantity (MOQ): BULK 20 MT
Loading Capacity: 20 MT per container (standard 70 ft open‑top container)
All orders are subject to a standard commercial contract, with flexible payment terms for qualifying strategic partners.
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