Manganese Slag

Description

1. Product Overview
Manganese Slag is a high-performance secondary metallurgical resource derived from the controlled smelting of ferromanganese and silicomanganese alloys, primarily used as an economical substitute for virgin manganese ore in steelmaking, fertilizer manufacturing, and construction materials. Its key value proposition lies in delivering consistent MnO content (typically 18–28%) at 15–25% lower cost than primary ores, enabling industrial buyers to optimize raw material budgets without sacrificing process stability. Strategically, this product is critical for markets facing virgin ore supply volatility and for sustainability-focused operations seeking circular economy inputs.

2. Key Specifications & Technical Characteristics

• Chemical Composition: MnO 18–28%, SiO₂ 30–40%, CaO 20–30%, Al₂O₃ 5–10%, Fe₂O₃ 3–8%; low impurities (P <0.1%, S <0.2%)

• Purity / Grade: Standard industrial grade; premium low-phosphorus grade available upon request

• Physical Form: Granular to fine powder; dark gray to black color

• Particle Size: 0–10 mm (standard), 0–3 mm (fine), or custom crushing to 10–50 mm available

• Bulk Density: 1.6–2.0 t/m³

• Moisture: <3% as shipped

• Packaging Options: 1.5 MT big bags, 50 kg laminated woven bags, or loose bulk in open-top containers

• Shelf Life: Unlimited when stored in dry, covered conditions

3. Core Industrial Applications

• Steel & Ferroalloy Industry: Used as a manganese supplement in blast furnace and electric arc furnace feeds. Reduces reliance on high-grade ore by 15–20% while maintaining melt chemistry – proven to lower raw material costs by $8–12 per ton of steel.

• Agriculture (Micronutrient Fertilizers): Ground to <75 µm as a slow-release Mn source for soil correction. Superior to MnSO₄ in alkaline soils due to lower leachability and longer residual activity (12–18 months vs. 4–6 months).

• Construction (Cement & Concrete): As a pozzolanic additive in blended cements. Enhances late-stage compressive strength by 8–12% compared to fly ash, with lower water demand.

• Abrasive & Road Base: As a cost-effective, high-hardness aggregate for railway ballast and industrial flooring.

4. Competitive Advantages

• Quality Consistency: Every shipment is ICP-OES tested; certified CoA provided with traceability to smelter batch. Inter-batch MnO variation ≤1.5% – critical for furnace charge optimization.

• Supply Reliability: Dedicated 50,000 MT inventory buffer at portside warehouses; 99.5% on-time dispatch rate over 24 months.

• Logistics Capability: Pre-cleared for dry bulk vessels and 20′/40′ containers; direct loading to rail or truck within 48 hours of order confirmation.

• Price Competitiveness: Fixed quarterly pricing with volume escalators; 10–15% landed cost advantage over equivalent Mn units from ore.

• Sustainability: 100% recovered industrial by-product – reduces mine waste and CO₂ footprint by ~35% versus primary ore extraction. Complies with EU End-of-Waste criteria (Regulation EU 2019/1009).

• Technical Support: Free process engineering consultation and on-site trials for buyers >500 MT/month.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 metric tons (MT) for bagged material; 500 MT for bulk loose shipments

• Loading Capacity per 20′ Standard Container: 25 MT (big bags) or 22 MT (50 kg bags)

• Loading Capacity per 40′ High-Cube Container: 28 MT (big bags only)

• Bulk Vessel Loading Rate: 5,000 MT per day via conveyor or grab

• Incoterms offered: EXW, FOB, CFR, CIF (main ports: Rotterdam, Houston, Shanghai, Durban)