3103 Aluminum
Mat Grades internal verification confirms source-backed fidelity and data integrity. It does not constitute external certification, ASTM/CDA endorsement, or guaranteed material conformity for procurement.
Key Engineering Properties
Representative source rows, qualified by their reported conditions. Inspect the tables below for all values, limits, and source notes.
Engineering Summary
3103 (EN AW-3103) is a non-heat-treatable Al-Mn alloy offering medium strength, outstanding formability, and superior resistance to industrial atmospheric exposure, widely specified for roofing, cladding, and HVAC ductwork.
Recognized Aliases
Source-backed commercial trade name and short designations cataloged in canonical data.
Standard Designations & Applicable Specifications
Semantically classified designations distinguishing primary standard identifiers, commercial trade names, and applicable specification references.
| System | Identifier | Standard System Name | Classification Notes & Provenance |
|---|---|---|---|
| AAPRIMARY | 3103 | Aluminum Association | —Ref: Aalco European Standard Aluminium Alloy Technical Datasheet |
| UNS | A93103 | Unified Numbering System | —Ref: Aalco European Standard Aluminium Alloy Technical Datasheet |
| EN | EN AW-3103 | European Standard | —Ref: Aalco European Standard Aluminium Alloy Technical Datasheet |
| ISO | AlMn1 | International Organization for Standardization | —Ref: Aalco European Standard Aluminium Alloy Technical Datasheet |
| Recognized Name / Alias | Classification | Technical Usage & Context |
|---|---|---|
| EN AW-3103 | Commercial Alias | Colloquial or commercial industry synonym |
| Standards Body | Specification Code | Specification Title / Scope | Relationship Type |
|---|---|---|---|
| CEN | EN 485-2 | Aluminium and aluminium alloys - Sheet, strip and plate - Part 2: Mechanical propertiesPRODUCT_SPECIFICATION · Product form: Sheet | Specification Reference |
| CEN | EN 573-3 | Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition and form of productsPRODUCT_SPECIFICATION | Specification Reference |
Chemical Composition (Weight %)
Elemental limits and values from the cited source. Preserves exact semantic limits (minimums, maximums, and ranges).
| Element | Symbol | Atomic No. | Semantic Basis | Specified Value | Unit | Metallurgical Notes & Qualification | Data Status |
|---|---|---|---|---|---|---|---|
| Manganese | Mn | 0 | RANGE | 0.90 – 1.50 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Iron | Fe | 0 | MAXIMUM | ≤ 0.70 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Silicon | Si | 0 | MAXIMUM | ≤ 0.50 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Magnesium | Mg | 0 | MAXIMUM | ≤ 0.30 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Zinc | Zn | 0 | MAXIMUM | ≤ 0.20 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Copper | Cu | 0 | MAXIMUM | ≤ 0.10 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Chromium | Cr | 0 | MAXIMUM | ≤ 0.10 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Titanium | Ti | 0 | MAXIMUM | ≤ 0.10 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Other Elements Each | OE | 0 | EACH | ≤ 0.05 each | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Other Elements Total | OT | 0 | TOTAL | ≤ 0.15 | wt% | Ref: Aalco Metals Ltd | VERIFIED |
| Aluminum | Al | 0 | REMAINDER | Remainder | wt% | Balance aluminumRef: Aalco Metals Ltd | VERIFIED |
Physical Properties
Source-specific physical properties. Test temperatures are shown only where reported.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Density | 2.73 g/cm³ | TYPICAL | 2.73 g/cm³ | Aalco Metals Ltd | VERIFIED |
Thermal & Thermodynamic Properties
Phase change temperatures, thermal conductivity, specific heat, mean coefficients of thermal expansion across standardized temperature ranges, and recommended thermal processing windows.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Coefficient of Thermal Expansion | 23.1 µm/(m·K) | TYPICAL | 23.1 µm/(m·K) | Aalco Metals Ltd | VERIFIED | |
| Solidus Temperature | 643 °C | TYPICAL | 643 °C | Aalco Metals Ltd | VERIFIED | |
| Thermal Conductivity | 160 W/(m·K) | TYPICAL | 160 W/(m·K) | Aalco Metals Ltd | VERIFIED |
Contextual Mechanical Properties & Tempers
Engineering strength, ductility, and hardness values grouped by product form, temper, and section thickness. Mechanical properties are contextual and not isotropic averages.
| Product Form | Temper / Condition | Section Size | Tensile (UTS) | Yield Strength | Elongation | Shear Strength | Fatigue Strength | Hardness (Scales Preserved) | Status |
|---|---|---|---|---|---|---|---|---|---|
| Sheet | H14 TemperSource values and qualifiersYield Strength (0.2% Proof Stress): ≥ 115 MPa (MINIMUM)Aalco Metals Ltd — mat-phase4c-3103 Mechanical Properties H14 Sheet 0.2mm to 6.0mm Ultimate Tensile Strength: 140–180 MPa (RANGE)Aalco Metals Ltd — mat-phase4c-3103 Mechanical Properties H14 Sheet 0.2mm to 6.0mm Elongation (A50 mm): ≥ 7 % (MINIMUM)Aalco Metals Ltd — mat-phase4c-3103 Mechanical Properties H14 Sheet 0.2mm to 6.0mm | 0.2mm to 6.0mm | 140–180 MPa | ≥ 115 MPa | ≥ 7 % | — | — | — | VERIFIED |
| Sheet | H14 TemperSource values and qualifiersHB Hardness: 44 HB (TYPICAL)Aalco Metals Ltd — mat-phase4c-3103 Hardness H14 Sheet 0.2mm to 6.0mm | 0.2mm to 6.0mm | — | — | — | — | — | 44 HB | VERIFIED |
Sources & Provenance Trail
Reference publications and standards organization registers cited across this material record.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Chemical Composition EN 573-3. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Physical Properties DENSITY. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Physical Properties ELASTIC_MODULUS. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Physical Properties THERMAL_EXPANSION. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Physical Properties SOLIDUS_TEMPERATURE. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Physical Properties THERMAL_CONDUCTIVITY. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Mechanical Properties H14 Sheet 0.2mm to 6.0mm. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Hardness H14 Sheet 0.2mm to 6.0mm. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Designation AA 3103. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Designation UNS A93103. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Designation EN EN AW-3103. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Designation ISO AlMn1. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Specification EN 485-2. Selected facts only; no decorative text or full standards tables reproduced.
Reviewed factual extraction from Aalco technical datasheets transcribing European standards (EN 573-3, EN 485-2, EN 755-2): mat-phase4c-3103 Specification EN 573-3. Selected facts only; no decorative text or full standards tables reproduced.