Metal COA
At minimum, aluminium, Fe, Si and residuals tied to lot and producer.
Industrial metals / Primary aluminium
Aluminium A7 / Primary Aluminium
Primary aluminium in ingots, t-bars or other trade forms, reviewed by purity, Fe/Si impurities, brand, shape and lot evidence.
Technical identity
Aluminium A7 as a trading shorthand
Aluminium A7 is used in trade to describe high-purity primary aluminium, commonly around 99.7% minimum aluminium. The term can appear beside references such as P1020A, P1020, A7 or high grade primary aluminium, but real acceptance depends on specification, brand, shape, relevant exchange context and impurity limits.
A buyer should not read A7 as a universal guarantee. Iron and silicon are often the elements that most affect suitability for foundry, extrusion, alloying, cable or industrial uses. Sodium, calcium, titanium, vanadium and other residuals also matter when the contract limits them.
TypePrimary aluminium
ReferenceCommon 99.7% min
ImpuritiesFe and Si are critical
CaveatP1012 needs review
Loading published market reference…Automatic reference data; no estimated value is shown if the source is unavailable.
1Bauxite
Ore base for alumina production.
2Alumina
Refining before electrolysis.
3Electrolysis
Hall-Héroult route to primary metal.
4Casting
Ingots, sows, t-bars or other forms.
5COA
Lot chemistry, Fe, Si and residuals.
Process and specification
From bauxite to cast primary metal
The primary chain starts with bauxite, moves through refining into alumina and continues with Hall-Héroult electrolysis. Liquid aluminium is cast into ingots, sows, t-bars or other forms with brand, lot and weight identification.
Physical form changes logistics. Small ingots support distribution and flexible remelting, while t-bars and sows reduce handling in larger-consuming plants. Packages, straps, visible marks, bundle weights and warehouse documents should all reconcile.
When LME is mentioned, the review should separate market-price reference, approved brand, warehouse, warrant and actual delivery. A price reference does not prove that material is exchange deliverable or located in an approved warehouse.
P1012 appears in commercial conversations, but it should be treated as REQUIRES TECHNICAL REVIEW unless a recognized specification and complete impurity limits are presented.
Grades and references not to blur
| Element | Commercial reading |
|---|---|
| A7 / 99.7% | Frequent trade shorthand for primary aluminium; needs Fe, Si and residual-element limits. |
| P1020A | High grade primary aluminium reference used in LME and industry context; exact contract controls. |
| P1015 | May indicate higher purity or different limits; requires the producer technical sheet. |
| P0610 | A stricter impurity reference for selected uses; should not be assumed equal to A7. |
| P1012 | REQUIRES TECHNICAL REVIEW: do not accept as a sufficient grade without standard, composition and verifiable origin. |
Quality and use
Composition, shape and brand
Technical review should compare the certificate with the agreed specification. Minimum aluminium, Fe, Si, Cu, Zn, Ga, Mn, Mg, Ti, V, Na and other residuals can change industrial use even when the trading headline says 99.7%.
Producer brand, heat or lot number, physical format, bundle mass and warehouse traceability are part of commercial quality. A photo of ingots is not enough to prove that a lot meets P1020A or A7.
Uses, storage and documents
Primary aluminium feeds alloying plants, extrusion, rolling, foundry, cable and industrial components. Selection depends on composition and form: a plant seeking a specific chemistry balance may reject metal suitable for another application.
Logistics require protection from physical damage, excessive moisture, contamination with other metals, weight documents, packing list, quality certificate, certificate of origin, warrant where applicable and consistency among bundles, marks and documents.
Grades, impurities and industrial suitability
Aluminium A7 is a commercial shorthand for primary aluminium, commonly read around 99.7% minimum aluminium, but the designation should not be used as a complete specification. The chain starts with bauxite, continues through alumina and Hall-Héroult electrolysis, and ends in cast commercial forms such as ingots, sows, t-bars or foundry products.
P1020 and P1020A frequently appear in high grade primary aluminium conversations. The buyer should verify whether the reference comes from an LME contract, a producer specification or a trade sheet. Verbal equivalence between A7 and P1020A is not enough if the COA does not show lot chemistry.
P1015, P1015A, P0610 and P0610A can indicate higher chemical control or tighter limits, but values should not be invented. The useful comparison shows what must be verified: iron, silicon, minimum aluminium, residuals, physical form, brand and application.
Fe and Si are critical because they influence alloyability, conductivity, extrusion, rolling and casting behaviour. A lot suitable as general feedstock may not suit cable, special alloys or components requiring low residual content.
P1012 remains marked as REQUIRES TECHNICAL REVIEW. If no authorised source, contract or COA defines its limits, the term should not become a purity claim. The page should state plainly that it must be checked against producer specification, contract and certificate.
Physical form also determines operating value. Small ingots support dosing and flexible remelting; t-bars and sows reduce handling in large plants; bundles, straps, marks, weights and surface condition should match packing list and warehouse documents.
LME context supplies market language, but it does not make every metal lot deliverable. Price reference, approved brand, warrant, warehouse location, deliverable shape and the actual physical material offered must be kept separate.
P1020, P1015, P0610 and P1012 are comparable only when the COA shows Fe, Si and relevant trace elements. The REQUIRES TECHNICAL REVIEW note applies where commercial equivalence hides purity, form or destination differences. Shape, bundle marks and warehouse receipts should reconcile with the assay.
Primary aluminium designation comparison
| Element | Verification |
|---|---|
| A7 / 99.7% | Primary commercial shorthand; verify Fe, Si, residuals and COA. |
| P1020 / P1020A | High grade primary aluminium; review contract and specification source. |
| P1015 / P1015A | May imply tighter chemistry; confirm with producer and COA. |
| P0610 / P0610A | Used for applications with more controlled limits; do not assume equivalence. |
| P1012 | REQUIRES TECHNICAL REVIEW: verify against producer specification, contract and COA. |
| Physical form | Ingot, sow or t-bar affect handling, storage and industrial consumption. |
Signs of a credible file
Verifiable form
Ingot, t-bar or sow; weights, bundles, marks and photos should match.
LME context
Separate price reference, approved brand, warrant and material that is actually deliverable.
KaizenGTC role
KaizenGTC can structure a primary-aluminium review, separate trading shorthand from specification and flag uncertain references such as P1012 for technical review before they enter negotiation.
This page does not claim stock, producer, availability, approved brand, warrant or price. The goal is to organize the enquiry and request evidence.
Aluminium A7 / Primary Aluminium questions
What is Aluminium A7?
A commercial term for high-purity primary aluminium, commonly around 99.7%, subject to COA.
Is A7 the same as P1020?
It should not be assumed; they may overlap commercially, but contract and chemistry control.
What is P1020A?
An industry/LME reference for high grade primary aluminium; brand, form and COA must verify it.
Is P1015 better than P1020?
It may imply tighter limits, but only a producer specification confirms that.
What is P0610?
A designation associated with higher impurity control in certain applications; values must be verified.
Why do Fe and Si matter?
They affect alloying, conductivity, extrusion, casting and price.
How is quality verified?
Through COA, lot, producer, form, marks, weights and warehouse documents.
Which forms are common?
Ingots, sows, t-bars and other primary forms depending on plant and logistics.