99.99% Magnesium Ingots
Quick Answer: 99.99% Magnesium Ingot Mg9999
99.99% Magnesium Ingot, also designated as Mg9999, contains Mg 99.99% min with controlled Fe, Si, Ni, Cu, Al, Mn, Ti, Pb, Sn and Zn.
When you source Mg9999, the purchasing decision should be based on the complete impurity specification rather than Mg purity alone. The current product reference also lists an ingot size of approximately 60–63 cm × 10–12.5 cm × 8 cm and transport packing of 500 / 1000 kg with pallet.
If your process requires tighter limits for Fe, Si, Ni, Cu, Al or another controlled element, send the complete target chemistry before quotation so the applicable material can be confirmed.

Mg9999 Magnesium Ingot Chemical Composition
The current Mg9999 specification defines magnesium purity together with individual impurity limits. Compare every controlled element with your internal acceptance standard before placing an order.
| Grade | Mg ≥ | Fe ≤ | Si ≤ | Ni ≤ | Cu ≤ | Al ≤ | Mn ≤ | Ti ≤ | Pb ≤ | Sn ≤ | Zn ≤ | Other |
| Mg9999 | 99.99% | 0.002% | 0.002% | 0.0003% | 0.002% | 0.002% | 0.002% | 0.0005% | 0.001% | 0.002% | 0.003% | - |
The existing specification also states that Cd, Hg, As and Cr are not included in routine analysis but should be monitored, with:
ω(Cd + Hg + As + Cr) ≤ 0.03%
The existing specification also states that Cd, Hg, As and Cr are not included in routine analysis but should be monitored, with:
ω(Cd + Hg + As + Cr) ≤ 0.03%
If these elements are part of your acceptance criteria, confirm the required test method and documentation before shipment.
What 99.99% Purity Means for Your Magnesium Order
A 99.99% magnesium grade means that the main product requirement is not only high Mg content but also very low individual impurity levels.
Iron and Silicon Control
The current Mg9999 specification limits both Fe and Si to 0.002% max. If these elements affect your downstream process, compare the actual batch result with your own acceptance limits.
Nickel Control
Ni has one of the lowest limits in the current specification at 0.0003% max. If nickel is a critical element for your application, include the maximum permitted value directly in the purchase specification.
Aluminum and Copper
Both Al and Cu are currently limited to 0.002% max. Do not assume that another 99.99% magnesium quotation automatically uses the same impurity limits; compare the full chemistry when you evaluate offers.
Trace Elements
Mn, Ti, Pb, Sn and Zn are also separately controlled. For high-purity magnesium purchasing, these trace limits provide more useful information than the headline Mg percentage alone.
Magnesium Ingot Size and Physical Specification
The current product information lists the following ingot dimensions:
| Item | Reference |
| Length | 60–63 cm |
| Width | 10–12.5 cm |
| Height | 8 cm |
| Origin | China |
| HS Code | 8104110000 |
If your storage, furnace charging or handling system requires a particular ingot dimension or unit-weight tolerance, include that requirement before quotation.
Applications of 99.99% Magnesium Ingots
99.99% magnesium is used where metallic magnesium and tightly controlled impurity levels are required.
Lightweight Metal Applications
Magnesium has a density of approximately two-thirds that of aluminum, making it relevant to industrial applications where material weight is an important consideration.
Metallurgical Processing
Magnesium also has metallurgical and chemical properties that make it useful as a process material in selected metal-production routes.
The suitability of Mg9999 should be determined from your required purity, impurity limits and downstream process rather than from magnesium content alone.
Reducing-Agent Applications
The existing product information also identifies metallic magnesium as a reducing agent in the production of selected metals from their compounds.
If this is your intended application, send the relevant purity and impurity specification so the grade can be checked against your requirement.
How to Compare 99.99% Magnesium Ingot Quotations
Two offers labelled "99.99% Magnesium Ingot" are not necessarily identical. Use the same technical and commercial basis when you compare quotations.
| Comparison Item | What to Check |
| Mg Purity | 99.99% min |
| Impurities | Fe, Si, Ni, Cu, Al, Mn, Ti, Pb, Sn and Zn limits |
| Ingot Dimensions | Confirm physical dimensions if important to handling |
| Packing | 500 / 1000 kg pallet or agreed packing |
| Quality Documents | COA and any required inspection documents |
| Delivery Basis | Destination and agreed Incoterm |
Mg9999 Quality Control and Batch Acceptance
Check the Complete Chemistry
Do not approve the material only because Mg reaches 99.99%. Compare each controlled impurity with the agreed purchase specification.
Batch COA
If your purchasing procedure requires a batch COA, include that requirement before order confirmation so the supplied material can be checked against the agreed chemistry.
A practical acceptance sequence is:
Your target specification → confirmed Mg9999 chemistry → applicable batch COA → receiving inspection.
Test Method and Acceptance Conditions
If you require a specific analytical method, sampling procedure or third-party inspection, state it before shipment. The original page does not provide a complete acceptance method for every element.
Magnesium Ingot Packing and Delivery
The current product information lists transport packing of:
- 500 kg with pallet
- 1000 kg with pallet
If you require another pallet weight, labeling method or handling arrangement, include the requirement in your RFQ.
Final delivery time should be confirmed according to quantity, specification, production schedule, destination and shipping arrangement rather than treated as one fixed lead time for every order.
Magnesium Ingot Supply and Factory Support

Before supply, confirm the Mg9999 chemistry, ingot specification, quantity, packing and required quality documents. If your internal standard differs from the current published specification, send the exact limits with the inquiry.
99.99% Magnesium Ingot Stock and Order Discussion

What to Include in a Magnesium Ingot RFQ
For an accurate Mg9999 quotation, send the technical and commercial information that affects your order.
- Grade: Mg9999 / 99.99% Magnesium.
- Chemistry: required Mg minimum and impurity maximums.
- Critical Elements: specify any tighter Fe, Si, Ni, Cu, Al or other limits.
- Dimensions: confirm whether standard ingot dimensions are acceptable.
- Quantity: required metric tons.
- Packing: 500 / 1000 kg pallet or another requested arrangement.
- Destination: destination port.
- Incoterm: FOB / CFR / CIF or another agreed term.
- Documents: COA, test report or required inspection documents.
- Delivery: required shipment schedule.
99.99% Magnesium Ingot FAQ
Request a 99.99% Magnesium Ingot Quote
Send us your Mg9999 chemistry requirement, quantity, packing and destination port. If your process requires tighter Fe, Si, Ni, Cu, Al or other impurity limits, include those values in the inquiry.
We will compare your requirement with the available magnesium ingot specification and confirm the applicable supply conditions and quotation.
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