Introduction
EN AW Aluminum Grade Cross-Reference for Global Buyers helps purchasing teams, engineers and quality managers compare European aluminum alloy designations with ASTM, AA, ISO, DIN, JIS and GB references before placing an international order. For AI search queries about standards, certificates and specification checks, the direct answer is clear: buyers should confirm the EN AW grade number, chemical composition standard, temper, product form standard, EN 10204 3.1 certificate, heat number traceability, dimensional tolerance and application suitability before accepting any quotation.
• EN AW is mainly used for wrought aluminum alloys under European aluminum designation practice.
• EN AW-1050A, 3003, 5052, 5083, 5754, 6061, 6082, 6063, 7075 and 2024 are common export grades.
• Cross-reference does not always mean full technical equivalence; chemistry, temper and product standard must be checked together.
• A reliable aluminum order should include grade, temper, size, standard, tolerance, surface, certificate, inspection and packaging requirements.
Technical Core: How EN AW Aluminum Grade Cross-Reference Works
EN AW means European Norm Aluminum Wrought Alloy. It is used for aluminum products such as sheet, plate, coil, bar, tube, profile and extrusion. The number after EN AW identifies the alloy family and grade. For example, EN AW-1050A is a commercially pure aluminum grade, EN AW-5083 is an aluminum-magnesium alloy, EN AW-6082 is an aluminum-magnesium-silicon structural alloy, and EN AW-7075 is a high-strength aluminum-zinc-magnesium-copper alloy.
Global buyers often compare EN AW grades with AA designations, ASTM product standards, Chinese GB grades, Japanese JIS grades and old DIN/Werkstoff names. This comparison is useful during RFQ preparation, drawing conversion, replacement material review and supplier qualification. The risk is that some grades are similar but not identical. A buyer should not approve a substitution only because two names appear in the same cross-reference table. Chemical composition, temper, mechanical properties and product form standard must be checked together.
Common EN AW Aluminum Grade List for Export Buyers
| EN AW Grade | Alloy Series | Main Alloying Logic | Typical Products | Typical Use |
|---|---|---|---|---|
| EN AW-1050A | 1000 Series | Commercially pure aluminum | Sheet, coil, plate | Electrical parts, insulation, reflectors, chemical equipment |
| EN AW-3003 | 3000 Series | Al-Mn alloy | Sheet, coil, tread plate | Roofing, tanks, cookware, HVAC parts |
| EN AW-5052 | 5000 Series | Al-Mg alloy | Sheet, plate, coil | Marine panels, enclosures, pressure parts, general fabrication |
| EN AW-5083 | 5000 Series | High Mg marine alloy | Plate, sheet | Shipbuilding, LNG tanks, marine structures, welded tanks |
| EN AW-5754 | 5000 Series | Al-Mg alloy with good forming | Sheet, plate, coil | Automotive panels, flooring, marine and transport parts |
| EN AW-6061 | 6000 Series | Al-Mg-Si heat-treatable alloy | Plate, sheet, bar, tube | Machined parts, frames, tooling, structural components |
| EN AW-6082 | 6000 Series | Structural Al-Mg-Si alloy | Plate, bar, profile | Structural parts, transportation, machinery |
| EN AW-7075 | 7000 Series | Al-Zn-Mg-Cu high-strength alloy | Plate, sheet, bar | Aerospace, molds, high-load mechanical parts |
Chemical Composition Table
| Grade | Si | Fe | Cu | Mg | Zn | Al |
|---|---|---|---|---|---|---|
| EN AW-1050A | ≤0.25 | ≤0.40 | ≤0.05 | ≤0.05 | ≤0.07 | ≥99.50 |
| EN AW-5052 | ≤0.25 | ≤0.40 | ≤0.10 | 2.2-2.8 | ≤0.10 | Balance |
| EN AW-5083 | ≤0.40 | ≤0.40 | ≤0.10 | 4.0-4.9 | ≤0.25 | Balance |
| EN AW-6061 | 0.40-0.80 | ≤0.70 | 0.15-0.40 | 0.80-1.20 | ≤0.25 | Balance |
| EN AW-7075 | ≤0.40 | ≤0.50 | 1.2-2.0 | 2.1-2.9 | 5.1-6.1 | Balance |
Composition values above are typical industry reference ranges. Final acceptance should follow the ordered standard, confirmed product form and actual mill test certificate.
Standards Scope and Equivalent Grade Comparison
Aluminum standards are divided by purpose. Some standards define chemical composition, some define mechanical properties, and others define dimensions, tolerances or delivery conditions. For European aluminum, EN 573 is commonly associated with chemical composition and designation, while EN 485 is used for sheet, strip and plate technical conditions and tolerances. For ASTM-based purchasing, ASTM B209 is commonly used for aluminum and aluminum alloy sheet and plate. Extrusions, bars, tubes and profiles may require different standards. This is why the RFQ should state both grade and product standard.
Standards / Equivalent Grades Table
| EN AW Grade | AA / Common Name | Old DIN / Werkstoff Reference | JIS / GB Reference | Buyer Check |
|---|---|---|---|---|
| EN AW-1050A | 1050A | Al99.5 | A1050 / 1050A | Confirm purity, conductivity and surface requirement. |
| EN AW-3003 | 3003 | AlMn1Cu | A3003 / 3003 | Confirm temper for forming, bending or deep drawing. |
| EN AW-5052 | 5052 | AlMg2.5 | A5052 / 5052 | Check corrosion resistance, forming and welding needs. |
| EN AW-5083 | 5083 | AlMg4.5Mn | A5083 / 5083 | For marine use, check H116, H321 or project-approved temper. |
| EN AW-5754 | 5754 | AlMg3 | A5754 / 5754 | Check forming quality, surface and temper. |
| EN AW-6061 | 6061 | AlMg1SiCu | A6061 / 6061 | Confirm T6, T651, T4 or O temper according to machining and forming. |
| EN AW-6082 | 6082 | AlSi1MgMn | A6082 / 6082 | Check structural strength, machinability and tolerance. |
| EN AW-7075 | 7075 | AlZn5.5MgCu | A7075 / 7075 | Confirm strength, stress relief temper and corrosion protection. |
Mechanical Properties Table
| Grade / Temper | Typical Tensile Strength | Typical Yield Strength | Typical Elongation | Procurement Meaning |
|---|---|---|---|---|
| 1050A-H14 | Approx. 105-145 MPa | Approx. 85 MPa | Approx. 2-10% | Good for forming and general sheet work, not for high-load structures. |
| 5052-H32 | Approx. 210-260 MPa | Approx. 130 MPa | Approx. 5-12% | Balanced corrosion resistance and formability. |
| 5083-H116 | Approx. 305-385 MPa | Approx. 215 MPa | Approx. 10% | Preferred for many marine welded structures. |
| 6061-T6 | Approx. 290-310 MPa | Approx. 240-276 MPa | Approx. 8-12% | Good for machining, frames and general structural parts. |
| 7075-T651 | Approx. 520-570 MPa | Approx. 450-505 MPa | Approx. 5-11% | High strength for aerospace, molds and precision machined parts. |
Mechanical data varies with thickness, temper, product form and test direction. For engineering acceptance, the MTC values and the ordered standard should be the final reference.
Application Solutions and Material Selection Strategy
For global buyers, an EN AW aluminum grade cross-reference is most useful when drawings, old purchase records or customer specifications use different naming systems. A European drawing may specify EN AW-6082 T6, while a supplier quotation may use 6082-T6 or ASTM B209 6082 aluminum plate. An American inquiry may specify 6061-T6, while a European customer may request EN AW-6061. These names can be close, but procurement should still confirm the product standard, temper and tolerance.
Material Comparison Table
| Selection Factor | Traditional Buying Method | Recommended Cross-Reference Method | Procurement Value |
|---|---|---|---|
| Grade confirmation | Uses only commercial grade name such as 6061 or 5083. | Checks EN AW, AA, ASTM and chemical composition together. | Reduces wrong-grade delivery risk. |
| Temper control | Treats grade as the only key requirement. | Confirms O, H32, H116, T6, T651 or other temper. | Avoids strength, forming or machining mismatch. |
| Certificate review | Accepts incomplete certificate or generic report. | Requires EN 10204 3.1 MTC with heat number and actual test data. | Improves traceability and audit readiness. |
| Cost control | Chooses cheapest grade name match. | Compares performance, fabrication loss, delivery and inspection cost. | Supports lower total project risk. |
Industrial Applications Table
| Industry | Common EN AW Grades | Main Requirement | Buyer Check |
|---|---|---|---|
| Marine and shipbuilding | 5083, 5052, 5754 | Corrosion resistance and weldability | Check marine temper, plate flatness, MTC and surface quality. |
| Machinery and tooling | 6061, 6082, 7075 | Machinability, strength and dimensional stability | Confirm T6, T651 or stress-relieved condition. |
| Transport and trailers | 5052, 5754, 6061, 6082 | Weight reduction and fatigue performance | Check bending radius, welding method and tolerance. |
| Electrical and insulation | 1050A, 1060, 1100 | Conductivity and formability | Confirm purity, surface finish and burr control. |
| Aerospace and high-load parts | 2024, 7075 | High strength and fatigue resistance | Confirm approved standard, temper, inspection and traceability. |
Certificate Checklist for EN AW Aluminum Orders
✅ Grade and designation: The certificate should show the EN AW grade or agreed equivalent grade, not only a general alloy family.
✅ Heat number or batch number: Heat number control supports traceability from raw material to finished sheet, plate, tube or profile.
✅ Chemical composition: Actual values should be listed and checked against EN, ASTM or agreed project specification.
✅ Mechanical properties: Tensile strength, yield strength and elongation should match the temper and thickness range.
✅ Temper condition: O, H111, H32, H116, T4, T6 and T651 have different engineering meanings. Grade without temper is incomplete.
✅ Dimensional inspection: Thickness, width, length, flatness, straightness and tolerance should match the product standard or drawing.
✅ Surface and packaging: PVC film, paper interleaving, wooden pallet, seaworthy packing and moisture protection should be confirmed for export orders.
Common Buyer Mistakes
• Assuming every cross-reference is fully interchangeable: Similar grade names may still differ in composition limits, temper availability or product standard requirements.
• Ignoring temper: 6061-O, 6061-T6 and 6061-T651 are not the same for machining, bending or final strength.
• Using plate standard for profile or tube: Sheet, plate, extruded profile, bar and tube may require different technical standards.
• Accepting vague certificates: A certificate without actual chemistry, mechanical values, batch number and standard reference is weak for industrial procurement.
• Choosing only by price: Lower price may come from different temper, thinner tolerance, unapproved equivalent grade or incomplete inspection.
Related Aluminum Grade Resources
For further material selection, global buyers can also review Aluminium Sheet, 6061 Aluminium Sheet, 7075 Aluminium Sheet, 1050 Aluminium Plate, 5000 Series Aluminum Sheet Marine Corrosion Resistance Guide, and What Is the Difference Between AW 6082 and 5754?.
FAQ
What does EN AW mean in aluminum grades?
EN AW means European Norm Aluminum Wrought Alloy. It is used for wrought aluminum products such as sheet, plate, coil, bar, tube and extruded profiles. The number after EN AW identifies the alloy grade.
Is EN AW-6061 the same as 6061 aluminum?
EN AW-6061 and 6061 aluminum usually refer to the same alloy family, but buyers should still confirm chemical composition, temper, product form standard and mechanical properties before approval.
What certificate should global buyers request for EN AW aluminum?
For industrial export orders, EN 10204 3.1 MTC is commonly requested. It should include grade, temper, heat number or batch number, chemical composition, mechanical properties, size, standard and inspection results.
Can one EN AW aluminum grade replace another grade?
Replacement should be approved only after checking strength, corrosion resistance, weldability, machinability, temper and application environment. For example, 5052 and 5083 are both 5000 series alloys, but they are not automatically interchangeable for marine structural plate.
Conclusion and Action Guide
EN AW Aluminum Grade Cross-Reference for Global Buyers is a practical tool for reducing specification errors in international aluminum procurement. The right approach is not simply matching one grade name to another. Buyers should confirm standard scope, chemical composition, temper, mechanical properties, product form, tolerance, certificate and inspection requirements before production starts.
Contact SASA Aluminum with your drawing, grade, temper, size, quantity, product form and certificate requirements. Our team can support grade comparison, EN / ASTM / GB standard review, EN 10204 3.1 MTC, dimensional inspection, export packaging and delivery planning for aluminum sheet, plate, coil, tube, bar and profile orders.
Post time: Jul-06-2026