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3103 Aluminium Alloy — Technical Data

A manganese-family sheet alloy with an H14 reference condition. Rolled-sheet properties retain their thickness range.

Selected indicative supplier facts; specification verification remains required. Keep typical values, source minima and composition limits distinct. Reference records are not certificates or design allowables.

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Grade, forms and temper conditions

3000 series · Sheet

Reviewed temper examples: H14. These do not establish every possible alloy-form-temper supply combination.

Physical reference properties
PropertyValueUnitTemper / formConditionBasis / verificationSource ID
Density2730kg/m³Not specified / SheetTemperature not specified; indicative supplier referencetypical / single-sourceaalco3103
Mechanical reference properties — MPa
TemperProduct formThickness / specimen conditionTensile MPaYield MPaBasisSource ID
H14Sheet0.2–6.0 mm; supplier cites BS EN 485-2:2008140–180120indicative-rangeaalco3103

H14 / Sheet: Supplier indicative reference; not guaranteed specification limits; checked 2026-10-14.

Chemical composition

Composition coverage remains pending source review.

Fabrication and material selection

The electrical field uses a conductivity unit under a resistivity heading, so it is withheld. No exact equivalence to other manganese alloys is inferred.

Applications and product forms

Confirm the end-use requirements against the supplied material and governing specification.

Standards and acceptance

Identify the governing product specification by the actual form and manufacturing route. A grade designation alone does not establish compliance or equivalence. Confirm the edition, required condition, inspection and dimensional limits through the supplier and an authorized specification.

Product-specific standard scopes · Compare material conditions · Engineering calculators

Technical questions

Are typical values delivery limits?

No. A typical reference value describes the source condition; it is not a guaranteed minimum for a delivered lot.

Which temper and thickness should I compare?

Compare the same material form, temper, thickness/test condition, unit and value basis. Different conditions cannot be silently treated as interchangeable.

Technical sources and verification

Selected reference facts checked 14 October 2026. Source values apply to their stated material condition and are not certification of supplied stock.