Rare Earth Mischmetal | Technical Product Data & Sourcing Guide
Mischmetal is a rare earth alloy comprising primarily cerium, lanthanum, neodymium, and praseodymium in their naturally occurring ratios (or custom-adjusted proportions). Supplied in ingots, chunks, or broken segments, it functions primarily as a metallurgical additive for steelmaking, ductile iron production, and the manufacturing of pyrotechnic devices. Sourced and processed via vacuum induction melting or molten salt electrolysis, our mischmetal is engineered for industrial buyers requiring strict chemistry control and low slag inclusion. Backed by a stable annual production capacity of over 3,000 metric tons and diversified, secure rare earth raw material streams, we ensure continuous supply chain resilience for global clients.
Key Features
Tailored Rare Earth Ratios: Available in standard commercial grade (approx. 50% Ce, 25% La, 15% Nd, 5% Pr) or customized compositions per client specification.
Low Gas and Non-Metallic Inclusions: Melted under controlled atmospheric conditions to minimize oxygen, nitrogen, and carbon pick-up.
Consistent Dissolution Rate: Uniform ingot structure ensures predictable recovery rates when added to molten steel or iron baths.
Controlled Trace Elements: Rigorous monitoring of Fe, Si, Al, and Mg impurities to prevent negative side effects in downstream alloy matrices.
Key Specifications
|
Form |
Ingots, irregular chunks, or custom crushed under argon. |
|
Standard Unit Weight |
5 kg to 10 kg per ingot, packed in 50 kg steel drums. |
|
Density |
Approx. 6.7 - 6.8 g/cm³. |
|
Melting Point |
750°C - 900°C (depending on exact rare earth distribution). |
|
Surface Condition |
Clean metallic luster with minimal surface oxidation film; free of oil, slag, and extraneous dirt. |
Chemical Composition
|
Element |
Standard Grade (%) |
High-Cerium Grade (%) |
Custom Spec |
|
TREM (Total Rare Earth) |
>= 99.0% |
>= 99.0% |
>= 99.0% |
|
Ce / TRE |
50.0 - 52.0% |
>= 60.0% |
By Agreement |
|
La / TRE |
23.0 - 26.0% |
15.0 - 20.0% |
By Agreement |
|
Nd / TRE |
13.0 - 16.0% |
10.0 - 12.0% |
By Agreement |
|
Pr / TRE |
4.0 - 6.0% |
3.0 - 5.0% |
By Agreement |
|
Fe |
<= 0.5% |
<= 0.5% |
<= 0.3% |
|
Si |
<= 0.1% |
<= 0.1% |
<= 0.05% |
|
Al |
<= 0.1% |
<= 0.1% |
<= 0.05% |
Applications
Acts as a deoxidizer, desulfurizer, and inclusion modifier to improve transverse impact toughness and ductility in high-strength low-alloy (HSLA) steels.
Used as a nodulizer component or inoculant base to control graphite morphology and eliminate subversive elements (e.g., Pb, Sb, Bi).
Combined with iron (ferrocerium) to produce spark-generating ignition components.
Grain refinement additive in casting magnesium-rare earth structural components.
Quality Control & Manufacturing Capabilities
Melting & Processing: Processed using multi-stage molten salt electrolysis followed by vacuum refining furnaces to eliminate volatile impurities.
Analytical Testing: Every production heat is tested using ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry) to verify precise rare earth distribution and trace gas/impurity levels.
Traceability: Heat numbers are stamped on ingots and mapped directly to corresponding Certificate of Analysis (CoA) documentation.
Packaging, MOQ & Lead Time
Packaging
- Sealed in heavy-duty steel drums lined with multi-layer moisture-proof plastic bags, backfilled with argon gas or vacuum-packed.
- Net weight: 50 kg per drum or customized palletized configurations to prevent oxidation during maritime transit.
MOQ (Minimum Order Quantity)
- Trial Batch: 100 kg.
- Standard Commercial Order: 1,000 kg.
Lead Time
- Standard grades: 15–20 business days upon receipt of advance payment or confirmed LC.
- Custom compositional ratios: 25–30 business days.
Documentation
Each shipment includes:
Certificate of Analysis (CoA) showing individual rare earth element breakdown and impurity analysis.
Material Safety Data Sheet (MSDS / SDS).
Packing List and Commercial Invoice.
Certificate of Origin (Form A / CoO if requested).
FAQ
Q: How do you prevent oxidation of mischmetal during ocean shipping?
A: Ingots are vacuum-sealed or packed in argon-filled steel drums with desiccants, specifically designed to withstand prolonged maritime humidity.
Q: Can you adjust the ratio of Lanthanum to Cerium for our specific foundry process?
A: Yes. We offer customized rare earth partitioning based on your specific metallurgical requirements.
Q: Do you provide free samples for laboratory testing?
A: Yes, 500g to 1kg sample batches can be provided for qualified industrial buyers with freight collect terms.
Request a Quote & Technical Consultation
To receive a formal quotation (FOB / CIF) or request trial samples, please specify:
1.Required chemical composition / grade.
2.Form (Ingots vs. Chunks) and total quantity.
3.Destination port.
4.Target delivery schedule.
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