Checklist For Exporting Titanium Ingots - A Complete Checklist

Exporting titanium ingots demands precise documentation to avoid costly customs delays and demurrage charges. In our work with verified exporters on Global Trade Plaza, we see that mismatches between commercial invoices and bills of lading are the most common cause of shipment holds. This guide provides a practical exporting titanium ingots checklist for sellers navigating complex international trade requirements.

You will learn how to classify ingots under HS code 8108.20, secure Material Test Reports for aerospace grades, and handle dual-use export controls. We also cover seaworthy packaging standards using VCI film, calculating total landed costs, and selecting secure payment terms like Letters of Credit. Master these steps to ensure smooth clearance and protect your profit margins.

What Documents Are Required for Exporting Titanium Ingots?

Exporting titanium ingots requires a precise set of commercial, logistical, and regulatory documents. Missing even one certificate can halt your shipment at customs or result in significant demurrage charges. In our work with verified exporters on Global Trade Plaza, we see that the most common delays stem from mismatches between the commercial invoice and the bill of lading.

The following list outlines the essential export documents for titanium ingots:

• Commercial Invoice: This must detail the exact weight, grade (e.g., Grade 1, Grade 5), and unit price of the ingots. It serves as the primary basis for customs valuation.
• Packing List: A detailed breakdown of the packaging, including gross weight, net weight, and dimensions of each crate or container. For titanium, specify the material of the crating (e.g., steel straps, wooden pallets) to ensure compliance with ISPM 15 standards if wood is used.
• Bill of Lading (B/L): The contract of carriage between the shipper and the carrier. Ensure the "Ship to" and "Notify Party" details match your letter of credit exactly.
• Certificate of Origin: Often required to claim preferential tariff rates under free trade agreements. This must be issued by a recognized chamber of commerce or government authority.
• Material Test Report (MTR): Critical for aerospace and medical grade titanium. This document certifies the chemical composition and mechanical properties of the ingots, tracing back to the specific heat number.
• Export License: Depending on the destination country and the specific grade of titanium (especially if it falls under dual-use categories), an export license from your national authority may be mandatory.

For a comprehensive overview of other trade documents you may encounter, such as insurance certificates or inspection reports, refer to our complete guide on documents needed for international trade.

How to Classify Titanium Ingots for Customs Clearance

Accurate classification is the first step in ensuring smooth customs clearance. Using the wrong Harmonized System (HS) code can lead to incorrect duty assessments, delayed shipments, or even penalties for misdeclaration. A guide to selecting the correct Harmonized System (HS) codes, distinguishing between raw sponge titanium, ingots, and waste, and understanding how classification affects duty rates is essential for any exporter.

For titanium ingots, the classification typically falls under Chapter 81 of the HS nomenclature, which covers other base metals. The specific code depends on the form and processing level of the metal:

• Raw Titanium: Unworked titanium or powder may fall under HS code 8108.10.
• Titanium Ingots: Semi-manufactured titanium in the form of ingots, blocks, or plates is generally classified under HS code 8108.20.
• Titanium Waste and Scrap: If the material is not suitable for direct use as ingots, it may be classified under HS code 8108.30.

It is crucial to distinguish between raw sponge titanium and refined ingots. Sponge titanium is often an intermediate product used to produce ingots, while ingots are the final form ready for further processing like forging or rolling. Misclassifying sponge as ingots can alter the duty rate and the regulatory requirements for the shipment.

Once you have determined the correct HS code, you can proceed with calculating duties and taxes. For more information on navigating complex customs procedures and resolving clearance issues, read our article on how to solve customs clearance problems in global trade.

Which Certifications Are Needed for Aerospace Grade Titanium?

When exporting titanium ingots intended for aerospace or medical applications, standard commercial documentation is insufficient. Buyers in these sectors require rigorous proof of material traceability and chemical composition. The primary document is the Mill Test Certificate (MTC), also known as a Material Test Report (MTR). This document must be issued by the manufacturer and certified by an independent laboratory. It details the chemical analysis, mechanical properties, and heat treatment history of the specific batch.

For aerospace-grade titanium, such as Ti-6Al-4V (Grade 5), compliance with industry-specific standards is mandatory. The most common standards are the Aerospace Material Specifications (AMS) published by SAE International and the American Society for Testing and Materials (ASTM) standards. Your MTC must explicitly reference the specific AMS or ASTM number to be valid for these industries. For example, AMS 4911 is a common specification for titanium alloy bars and forgings.

Furthermore, many major aerospace manufacturers require their suppliers to hold NADCAP (National Aerospace and Defense Contractors Accreditation Program) accreditation. While the exporter may not hold the accreditation directly if they are a trader, they must source from mills that do. Without evidence of NADCAP accreditation for the melting and heat treatment processes, the shipment will likely be rejected by the end-user. In our work with verified exporters on Global Trade Plaza, we see that shipments lacking clear AMS references often face significant delays or total rejection upon arrival.

To ensure your documentation is complete before shipping, review our complete guide on documents needed for international trade. This resource covers the hierarchy of certificates and how to organize them for maximum efficiency.

How to Handle Export Licenses and Dual-Use Restrictions

Titanium, particularly high-grade alloys, is classified as a dual-use item. This means it has both commercial applications and potential military uses, such as in aerospace components or defense systems. Consequently, it is subject to strict export control regulations in many countries. In the United States, titanium alloys are often listed on the Commerce Control List (CCL) under the Export Administration Regulations (EAR). Other jurisdictions have similar regimes, such as the EU Dual-Use Regulation or the UK Export Control Order.

Exporters must determine the Export Control Classification Number (ECCN) for their specific titanium product. The ECCN determines the level of control and whether an export license is required. For example, certain high-strength titanium alloys used in military applications may fall under ITAR (International Traffic in Arms Regulations) in the US, which requires much stricter licensing and registration than EAR items. Even commercial-grade titanium may require a license if the destination country is subject to sanctions or embargoes.

Before initiating a sale, verify the end-user and end-use of the titanium ingots. Buyers may be required to provide an End-User Certificate (EUC) to assure the government that the material will not be diverted to unauthorized military programs. Failure to comply with these regulations can result in severe penalties, including heavy fines and loss of export privileges. If you encounter complex clearance issues due to regulatory hurdles, our guide on how to solve customs clearance problems in global trade offers practical strategies for navigating these challenges.

What Are the Packaging and Crating Standards for Metal Ingots?

Titanium is a high-value metal that demands rigorous protection during transit. Unlike bulk commodities, titanium ingots are susceptible to surface contamination, mechanical damage, and moisture-induced corrosion if not handled correctly. International shipping exposes cargo to salt spray, humidity changes, and rough handling at multiple ports. Therefore, adhering to seaworthy packaging standards is not just a preference but a contractual necessity in most metal trade agreements.

Moisture Protection and Surface Integrity

The primary threat to titanium ingots during ocean freight is moisture. While titanium is corrosion-resistant, it can still suffer from surface oxidation or staining if exposed to high humidity for extended periods. Best practices dictate that each bundle or pallet of ingots must be wrapped in heavy-duty, waterproof VCI (Volatile Corrosion Inhibitor) plastic film. This film creates a barrier against salt air and humidity. Additionally, desiccant bags should be placed inside the wrapping to absorb any residual moisture trapped during the packaging process. For long-haul shipments or routes with extreme climate variations, we recommend using sealed containers with silica gel packets distributed evenly throughout the cargo space.

Palletization and Stacking Standards

Proper palletization ensures that the weight of the titanium is distributed evenly, preventing damage to the ingots and the pallet structure itself. Titanium ingots are dense and heavy. Using standard wooden pallets without adequate reinforcement can lead to collapse during crane operations. We advise using heat-treated ISPM 15 compliant plywood or laminated wood pallets that are rated for the specific tonnage of the load. Each pallet should be strapped with high-tensile steel or plastic bands at multiple points to prevent shifting. If shipping in bulk without pallets, ingots must be stacked in interlocking patterns within the container to maximize space and stability, secured with wooden dunnage and corner boards.

Labeling and Handling Requirements

Clear labeling is critical for safe handling and customs verification. Each package must display:

• The country of origin
• Total gross and net weight in kilograms and pounds
• Number of packages per pallet or bundle
• Handling symbols such as "This Side Up" and "Keep Dry"
• Specific alloy grade and heat number for traceability

These labels must be weather-resistant and securely attached. In our experience working with exporters on Global Trade Plaza, we see that ambiguous labeling often leads to delays at destination ports where local labor may not understand the specific handling requirements for high-value metals. Clear visual cues prevent mishandling and reduce the risk of damage claims.

For a comprehensive overview of the documentation that must accompany these packages, including commercial invoices and packing lists, refer to our guide on documents needed for international trade. Proper documentation ensures that the physical packaging matches the administrative records, streamlining the clearance process.

How to Calculate Total Landed Cost for Titanium Exports

When exporting titanium ingots, quoting a price based solely on the unit cost of the metal is a common mistake that can erode profit margins. The total landed cost represents the complete financial outlay required to deliver the product to the buyer's specified location. Understanding this calculation is vital for pricing competitively while maintaining profitability. The landed cost includes the product cost, logistics expenses, insurance, tariffs, and various administrative fees.

Core Cost Components

To build an accurate landed cost model, you must account for the following elements:

• Product Cost: The base price of the titanium ingots, including any processing fees for cutting or finishing.
• Domestic Logistics: Costs for transporting the goods from your warehouse to the port of origin, including trucking, drayage, and terminal handling charges.
• International Freight: Ocean or air freight charges. Titanium is heavy, so volumetric weight and actual weight both impact freight rates. Container load (FCL) vs. less than container load (LCL) significantly affects cost.
• Insurance: Marine cargo insurance is essential for high-value shipments. Premiums are typically calculated as a percentage of the total cargo value, often around 0.5% to 1% depending on the coverage level.
• Customs Duties and Taxes: Import duties vary by country and alloy type. Buyers usually pay these, but under certain Incoterms, the seller may be responsible. Always clarify who bears the tax burden.
• Port Fees and Documentation: Origin port fees, customs brokerage fees, and document preparation costs.

Hidden Costs and Compliance

Beyond the obvious expenses, exporters must budget for compliance-related costs. This includes fees for obtaining export licenses, certificates of origin, and third-party inspection reports if required by the buyer. Additionally, currency exchange fluctuations can impact the final cost if payments are delayed. It is prudent to include a small contingency buffer, typically 5-10%, in your landed cost calculation to absorb unexpected charges such as demurrage or detention fees if the buyer delays pickup.

Practical Example of Landed Cost Calculation

Consider a shipment of titanium ingots valued at $50,000. The domestic transport costs $1,000. Ocean freight is $3,000. Insurance is $500. Port fees and documentation total $500. If the Incoterm is DDP (Delivered Duty Paid), you must also estimate import duties, say $5,000. The total landed cost would be $60,000. If you quote based only on the product cost, you lose $10,000. Accurate calculation ensures that your quote reflects the true cost of delivery.

For strategies to manage unexpected costs and resolve disputes related to pricing and delivery, our article on how to solve customs clearance problems in global trade provides actionable advice for navigating these financial and logistical challenges.

What Incoterms Should Be Used for Metal Shipments?

Choosing the right International Commercial Term (Incoterm) is critical when exporting heavy commodities like titanium ingots. These materials are dense, require specialized handling, and carry significant weight, which directly impacts freight costs and risk allocation. The choice determines who pays for what and where the liability shifts from seller to buyer. For titanium exports, the most common Incoterms are Free On Board (FOB), Cost, Insurance, and Freight (CIF), and Delivered Duty Paid (DDP). Each term places different responsibilities on your shoulders regarding logistics and insurance. **FOB (Free On Board)** Under FOB, you are responsible for delivering the goods to the port of shipment and loading them onto the vessel. Once the ingots cross the ship’s rail, the risk transfers to the buyer. This is often the preferred term for experienced importers who have negotiated better ocean freight rates with their own carriers. It allows you to control domestic logistics while passing the volatile ocean freight costs to the buyer. **CIF (Cost, Insurance, and Freight)** With CIF, you arrange and pay for the main carriage and insurance to the destination port. The risk, however, still transfers to the buyer once the goods are on board the vessel. This term is useful if you have strong relationships with shipping lines and can secure lower freight rates than the buyer could find independently. You must ensure your insurance policy covers the specific risks associated with metal cargo, such as corrosion or handling damage. **DDP (Delivered Duty Paid)** DDP places the maximum obligation on you. You handle all logistics, including export clearance, ocean freight, import clearance, and payment of duties and taxes at the destination. This is rarely recommended for titanium ingots unless you have a dedicated logistics partner in the buyer’s country. The complexity of import duties and the risk of delays in foreign customs can erode your margins. **Comparison of Incoterms for Titanium Ingots** | Incoterm | Seller Responsibilities | Buyer Responsibilities | Risk Transfer Point | | :--- | :--- | :--- | :--- | | **FOB** | Export packing, inland transport, export customs, loading on vessel | Ocean freight, insurance, import customs, duties, inland delivery | On board the vessel | | **CIF** | FOB duties + Ocean freight + Insurance to destination port | Import customs, duties, inland delivery from destination port | On board the vessel | | **DDP** | All costs and risks to buyer’s named place | Unloading at destination | At buyer’s premises | For a deeper understanding of the documentation required to support these terms, such as bills of lading and commercial invoices, refer to our guide on documents needed for international trade.

How to Verify Buyer Credit and Payment Security

Titanium ingots represent a high-value transaction. A single container can be worth tens of thousands of dollars, making payment security a top priority. Relying on open account terms with new buyers introduces significant financial risk. Instead, use structured payment methods that protect your cash flow and ensure you are paid before releasing title to the goods. **Letters of Credit (LC)** A Letter of Credit is a bank guarantee that the buyer’s bank will pay you upon presentation of compliant documents. This is the gold standard for high-value metal exports. Ensure the LC is "irrevocable" and "confirmed" by a prime bank in the buyer’s country if you are unfamiliar with their local banking system. Review the LC terms carefully to ensure they are achievable. For example, if the LC requires a specific type of inspection certificate that is difficult to obtain, you may face payment delays. **Escrow Services** For transactions where an LC is too expensive or complex, escrow services offer a secure middle ground. The buyer deposits funds with a third-party escrow agent. The funds are released to you only after you provide proof of shipment and the buyer acknowledges receipt. Platforms like Global Trade Plaza often facilitate these secure transactions, providing a trusted environment for both parties. This method reduces the risk of fraud and ensures that both parties fulfill their obligations. **Credit Checks and Due Diligence** Before agreeing to any payment term, conduct a thorough credit check on the buyer. Use trade credit insurance providers or commercial credit reporting agencies to assess the buyer’s financial stability. Look for red flags such as recent changes in ownership, poor payment history with other suppliers, or vague corporate structures. **Practical Payment Workflow** 1. **Initial Contract:** Specify the payment term (e.g., 30% advance, 70% against copy of Bill of Lading). 2. **Advance Payment:** Receive the deposit to cover raw material costs and production. 3. **Shipment:** Load the titanium ingots and obtain the Bill of Lading. 4. **Document Presentation:** Submit the required documents to the bank or escrow agent. 5. **Release of Funds:** Upon verification, the remaining balance is released to you. If you encounter issues with payment delays or documentation discrepancies, our article on how to solve customs clearance problems in global trade offers strategies for resolving these challenges efficiently.

What Are the Common Pitfalls in Titanium Ingots Export Documentation?

Documentation errors are the primary cause of shipment delays and storage fees in the metal trade. Titanium ingots are high-value commodities, and customs authorities scrutinize them heavily for valuation and origin accuracy. In our work with verified exporters on Global Trade Plaza, we see that even small discrepancies can halt the entire supply chain. Below are the most frequent documentation pitfalls and how to avoid them.

Incorrect Weight Declarations

Customs values are often based on weight. A common error is confusing gross weight with net weight or failing to account for the weight of packaging materials. Titanium is dense, and even a minor percentage error in weight declaration can lead to significant valuation discrepancies. Ensure your commercial invoice explicitly lists net weight, gross weight, and tare weight separately.

Mismatched HS Codes

Using an incorrect Harmonized System (HS) code is a critical mistake. Titanium ingots generally fall under HS Code 8108, but the specific sub-code depends on the form (ingot, powder, waste) and purity. Misclassification can result in wrong duty assessments, legal penalties, or seizure of goods. Always verify the HS code with a licensed customs broker before shipping.

Missing or Invalid Certificates of Origin

Many countries offer reduced or zero tariffs for metals based on free trade agreements. If the Certificate of Origin is missing, improperly notarized, or does not match the details on the commercial invoice, the buyer may lose these benefits. This often leads to disputes where the buyer refuses to pay the additional duties incurred due to documentation errors.

Discrepancies in Commercial Invoices

The commercial invoice must match the Bill of Lading and packing list exactly. Common errors include:

• Typographical errors in buyer or seller names.
• Inconsistent unit prices or total values.
• Mismatched quantities or batch numbers.

These discrepancies trigger manual reviews by customs, causing delays. We recommend using a checklist to cross-verify all documents before submission. For a deeper understanding of the essential paperwork, you can refer to our guide on documents needed for international trade.

How to Manage Customs Clearance for Metals Efficiently

Efficient customs clearance requires proactive management and clear communication with all parties involved. Titanium ingots are subject to specific regulatory requirements, and a smooth process depends on preparation. Here is a step-by-step approach to managing customs clearance for metal shipments.

Pre-Arrival Filing

Do not wait for the goods to arrive at the destination port. Submit customs declarations as early as possible, ideally before the shipment departs. This allows customs authorities to review the documentation and raise any queries in advance. Pre-arrival filing significantly reduces the time goods spend in port and avoids demurrage charges.

Working with Customs Brokers

Engage a reputable customs broker who specializes in metal products. A knowledgeable broker can anticipate potential issues related to valuation, origin, and compliance. They act as your liaison with customs authorities, ensuring that all queries are resolved promptly. Provide your broker with all relevant documents, including the commercial invoice, packing list, bill of lading, and certificates of origin.

Resolving Valuation and Origin Queries

Customs authorities may question the declared value or origin of titanium ingots. To prevent delays:

• Valuation: Be prepared to provide evidence of the transaction value, such as payment records or market price reports.
• Origin: Ensure the Certificate of Origin is accurate and supported by relevant documentation, such as mill certificates.

If queries arise, respond quickly and provide the requested information. Delays in responding can lead to penalties or shipment holds. For strategies on resolving customs clearance problems, see our article on how to solve customs clearance problems in global trade.

Documentation Accuracy and Consistency

Ensure all documents are accurate and consistent. Any discrepancy between the commercial invoice, packing list, and bill of lading can cause customs to hold the shipment. Double-check all details, including weights, quantities, and descriptions, before submission.

Compliance with Environmental Regulations

Titanium exports may be subject to environmental regulations, such as restrictions on hazardous materials or requirements for sustainable sourcing. Ensure compliance with these regulations to avoid legal issues and delays. Consult with your customs broker to understand the specific environmental requirements for the destination country.

Building a Reliable Supply Chain

A reliable supply chain is essential for efficient customs clearance. Work with trusted partners, including freight forwarders, customs brokers, and logistics providers. Establish clear communication channels and protocols to ensure smooth information flow and timely resolution of issues.

By following these steps, you can manage customs clearance for titanium ingots efficiently, ensuring timely delivery and compliance with all regulatory requirements.

What Are the Environmental Compliance Requirements for Metal Exports?

Exporting titanium ingots requires strict adherence to environmental regulations, particularly when shipping to markets like the European Union. The most significant framework to understand is REACH (Registration, Evaluation, Authorization and Restriction of Chemicals). While titanium metal itself is generally not a restricted substance under REACH, the processing chemicals used during smelting or refining must be documented. Buyers in regulated markets will often request Safety Data Sheets (SDS) to verify that no prohibited substances were used in the production process.

Beyond chemical compliance, sustainability documentation is becoming a standard requirement for global buyers. Many multinational corporations now demand proof of conflict-free sourcing and environmentally responsible mining practices. You should be prepared to provide chain-of-custody documentation that traces the ingots back to the mine or primary smelter. This transparency is not just a legal requirement but a competitive advantage that builds trust with sophisticated buyers.

Failure to provide accurate environmental documentation can result in shipments being held at customs or rejected by the buyer. Ensure that all environmental certificates are up to date and match the specific batch numbers of your titanium ingots. For more details on the essential paperwork that supports these compliance efforts, you can review our guide on documents needed for international trade.

How to Build a Reliable Supply Chain for Titanium Ingots

Building a reliable supply chain for titanium exports begins with rigorous supplier vetting. You must verify the metallurgical certifications of your source facilities. In our work with verified exporters on Global Trade Plaza, we see that successful exporters maintain direct relationships with smelters who provide Mill Test Reports (MTRs) for every batch. These reports must confirm the chemical composition and mechanical properties match the contract specifications.

Consistency in quality control is critical. Titanium ingots are high-value commodities, and even minor deviations in density or impurity levels can lead to rejection by aerospace or medical device manufacturers. Implement a pre-shipment inspection protocol where a third-party inspector verifies the ingots against the agreed standards before they leave the factory. This step protects your reputation and prevents costly disputes later.

Logistics partners play an equally important role. Titanium is dense and heavy, requiring specialized handling and secure crating to prevent damage during transit. Establish long-term contracts with freight forwarders who have experience in heavy metal shipments. They should provide real-time tracking and proactive communication regarding port delays or container issues. By integrating strict quality verification with experienced logistics partners, you create a supply chain that ensures consistent delivery and minimizes operational risks. For strategies on resolving common logistical bottlenecks, see our article on how to solve customs clearance problems in global trade.

Conclusion: Key Takeaways for Titanium Ingots Exporters

Exporting titanium ingots requires a disciplined approach that balances technical precision with rigorous administrative compliance. Success in this niche market depends on four critical pillars that protect your margins and ensure smooth transactions.

First, accurate documentation is non-negotiable. Every shipment must be accompanied by a Certificate of Analysis that precisely matches the mill test reports. Even minor discrepancies in chemical composition can lead to immediate rejection by aerospace or medical device manufacturers. You must maintain a clear audit trail from the melting furnace to the final port of discharge.

Second, strict compliance with export controls is essential. Titanium is often classified as a dual-use item. You must verify the end-user and the final destination to ensure you are not violating sanctions or export licensing requirements. Ignoring these regulations can result in severe penalties and loss of export privileges.

Third, secure payment terms are vital due to the high value of the commodity. Titanium ingots command premium prices, making them attractive targets for fraud. Use secure payment instruments such as Letters of Credit or escrow services provided by reputable platforms. Never release shipping documents until payment security is confirmed.

Finally, robust logistics planning prevents costly delays. Titanium is dense and heavy, requiring specialized crating and handling. Partner with freight forwarders who have specific experience in heavy metal shipments. They can help you navigate port congestion and ensure the cargo arrives in pristine condition. For strategies on resolving common logistical bottlenecks, see our article on how to solve customs clearance problems in global trade.

Frequently Asked Questions

What are the most common questions about exporting titanium ingots?

Exporters frequently ask about the specific documentation, costs, and regulatory hurdles involved in shipping titanium. Below are direct answers to these common queries based on practical trade experience.

What documents are required for exporting titanium ingots?

You will need a commercial invoice, packing list, bill of lading, and a Certificate of Origin. Crucially, a detailed Mill Test Report or Certificate of Analysis is required to verify the alloy grade and chemical composition. For a complete guide on all necessary trade documents, review our complete guide on documents needed for international trade.

How are titanium ingots classified for customs?

Titanium ingots are typically classified under HS Code 8108.20. This code covers titanium and articles thereof, specifically unwrought titanium. Ensure your customs broker uses the correct subheading for your specific alloy form to avoid misclassification fines.

Are export licenses required for titanium?

Yes, titanium is often considered a dual-use item with potential military applications. Many countries require an export license or a specific end-user certificate. You must check the export control regulations of both the exporting and importing countries before shipping.

What is the typical timeline for titanium exports?

Production timelines vary by alloy and quantity, but standard ingots may take 4 to 8 weeks to manufacture. Ocean freight typically adds 3 to 6 weeks depending on the route. Total lead times should be planned for 2 to 3 months to account for quality checks and documentation processing.

How should payment be structured for high-value titanium shipments?

Due to the high value, secure payment methods are essential. Letters of Credit (LC) are common for large transactions. Alternatively, use escrow services on verified trade platforms to hold funds until the buyer confirms receipt and quality. Avoid open account terms for new buyers.

What are the packaging standards for titanium ingots?

Ingots must be crated in wooden boxes or steel frames to prevent damage during transit. They should be wrapped in moisture-proof material to prevent corrosion. Each crate must be clearly labeled with the lot number, weight, and handling instructions to ensure safe loading and unloading.

Can titanium ingots be shipped via standard containers?

Yes, titanium ingots are typically shipped in standard 20-foot or 40-foot containers. However, due to their high density, you must ensure the container is not overloaded beyond its maximum payload weight. Specialized flat racks may be used for oversized ingots that do not fit standard dimensions.