Aluminum EN AW-5083 Cast Plate · temper
Aluminum EN AW-5083 Cast Plate-O
Properties of the O condition, compared with the other EN AW-5083 Cast Plate tempers.
Choose when maximum dimensional stability and lowest residual stress after heavy machining are more important than strength.
What is EN AW-5083 Cast Plate-O?
EN AW-5083 Cast Plate-O is EN AW-5083 Cast Plate in the O temper — choose when maximum dimensional stability and lowest residual stress after heavy machining are more important than strength. EN AW-5083 Cast Plate-O has a yield strength of 112 MPa (16.2 ksi) and a tensile strength of 265 MPa (38.4 ksi) — weaker than 80% of aluminum grades. Elongation at break is 15% and the elastic modulus is 71 GPa (10.3 Msi). EN AW-5083 Cast Plate-O has a density of 2.66 g/cm³ (0.0961 lb/in³), lighter than 84% of aluminum grades. It melts at 574°C (1,065 °F).
Advantages
- Low embodied carbon — 9.5 kg CO₂/kg, better than 97% of aluminum grades
- Good corrosion resistance — 76/100, better than 90% of aluminum grades
- Readily welded — 90/100, better than 90% of aluminum grades
- Ductile — tolerates forming and impact — 15%, better than 82% of aluminum grades
Limitations
- Limited service temperature — 65°C (149 °F), worse than 97% of aluminum grades
- Poor heat conductor — 117 W/m·K (67.6 BTU/hr·ft·°F), worse than 83% of aluminum grades
- Low strength — 112 MPa (16.2 ksi), worse than 80% of aluminum grades
- Low electrical conductivity — 29 % IACS, worse than 78% of aluminum grades
EN AW-5083 Cast Plate-O properties
Typical room-temperature values for EN AW-5083 Cast Plate-O — 11 properties are specific to this condition; the rest are grade-level values shared by every EN AW-5083 Cast Plate temper. Each bar shows where the value sits among the aluminum grades in FabDigit's library — further right is higher.
Physical3
EN AW-5083 Cast Plate-O has a density of 2.66 g/cm³ (0.0961 lb/in³), lighter than 84% of aluminum grades. It melts at 574°C (1,065 °F).
Mechanical12
EN AW-5083 Cast Plate-O has a yield strength of 112 MPa (16.2 ksi) and a tensile strength of 265 MPa (38.4 ksi) — weaker than 80% of aluminum grades. Elongation at break is 15% and the elastic modulus is 71 GPa (10.3 Msi).
Thermal6
EN AW-5083 Cast Plate-O is rated for continuous service to 65°C (149 °F). It conducts heat at 117 W/m·K (67.6 BTU/hr·ft·°F), worse than 83% of aluminum grades. Thermal expansion is 23.8 µm/m·K (13.2 µin/in·°F).
Electrical3
EN AW-5083 Cast Plate-O conducts electricity at 29 % IACS, worse than 78% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is very good (76/100), better than 90% of aluminum grades.
Sustainability4
Producing a kilogram of EN AW-5083 Cast Plate-O takes about 155 MJ of energy and emits 9.5 kg of CO₂ — less than 94% of aluminum grades. Typical recycled content is 40%.
Manufacturability7
EN AW-5083 Cast Plate-O's machinability is good (55/100, worse than 58% of aluminum grades); weldability excellent (90/100); formability fair (45/100).
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Other EN AW-5083 Cast Plate tempers and conditions
EN AW-5083 Cast Plate is also supplied in 3 other conditions. The full side-by-side table is on the EN AW-5083 Cast Plate overview.
- STDDefault stocked cast-plate condition: low residual stress and tight flatness for machined tooling, vacuum chambers and machine bases.125 MPa yield · 70 HB
- OChoose when maximum dimensional stability and lowest residual stress after heavy machining are more important than strength.112 MPa yield · 64 HB
Working with EN AW-5083 Cast Plate-O
Is EN AW-5083 Cast Plate easy to machine?
Machines predictably but gummy: use sharp polished-flute carbide, high rake, 300–900 m/min, generous flood or MQL coolant to avoid built-up edge and stringy chips.
Can EN AW-5083 Cast Plate be welded?
Excellent with GMAW/GTAW using ER5183 or ER5356 filler; no preheat above 120 °C, keep interpass low and avoid post-weld exposure over 65 °C to prevent sensitisation.
Can EN AW-5083 Cast Plate be formed, bent or molded?
Cast plate is a machining stock — avoid bending or deep drawing; hot forming above 250 °C only, and any cold work should be followed by stress relief to restore flatness.
What surface finishes work on EN AW-5083 Cast Plate?
Responds well to hard and clear sulphuric anodize (cast structure may streak decorative films); paints and chromate-free conversion coatings adhere well; not brazeable due to high Mg.
EN AW-5083 Cast Plate chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Si | ≤ 0.4 | 0.15 |
| Fe | ≤ 0.4 | 0.2 |
| Cu | ≤ 0.1 | 0.03 |
| Mn | 0.4 – 1 | 0.65 |
| Mgmain strengthening element; drives sensitisation limit | 4 – 4.9 | 4.45 |
| Cr | 0.05 – 0.25 | 0.12 |
| Zn | ≤ 0.25 | 0.05 |
| Tigrain refiner in cast plate | ≤ 0.15 | 0.03 |
| Others (each)total others 0.15 max | ≤ 0.05 | — |
| Al | balance | — |
EN AW-5083 Cast Plate-O — frequently asked
What is EN AW-5083 Cast Plate-O used for?
EN AW-5083 Cast Plate-O is typically used for vacuum chamber bodies, vacuum forming tools, composite layup moulds, mould and tooling plates, machine base and bed plates and large machining fixtures and jig plates. In short: european cast 5083 plate.
What is the yield strength of EN AW-5083 Cast Plate-O?
EN AW-5083 Cast Plate-O has a typical yield strength of 112 MPa (16.2 ksi) and a tensile strength of 265 MPa (38.4 ksi) — weaker than 80% of aluminum grades. Strength varies by condition: see the 4 listed tempers.
Is EN AW-5083 Cast Plate-O easy to machine?
Reasonably — machinability is rated good (55/100, worse than 58% of aluminum grades). Machines predictably but gummy: use sharp polished-flute carbide, high rake, 300–900 m/min, generous flood or MQL coolant to avoid built-up edge and stringy chips.
Can EN AW-5083 Cast Plate-O be welded?
Yes — weldability is rated excellent (90/100). Excellent with GMAW/GTAW using ER5183 or ER5356 filler; no preheat above 120 °C, keep interpass low and avoid post-weld exposure over 65 °C to prevent sensitisation.
What surface finishes work on EN AW-5083 Cast Plate-O?
Responds well to hard and clear sulphuric anodize (cast structure may streak decorative films); paints and chromate-free conversion coatings adhere well; not brazeable due to high Mg.
Can EN AW-5083 Cast Plate-O be formed, bent or molded?
Cast plate is a machining stock — avoid bending or deep drawing; hot forming above 250 °C only, and any cold work should be followed by stress relief to restore flatness.
What is the maximum service temperature of EN AW-5083 Cast Plate-O?
EN AW-5083 Cast Plate-O is rated for continuous use to about 65°C (149 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Can FabDigit make parts in EN AW-5083 Cast Plate-O?
Yes — EN AW-5083 Cast Plate-O is available for CNC machining with instant online pricing. Upload a STEP file to get a price and a DFM check.
Sources
- EN 573-3 Aluminium and aluminium alloys — chemical composition of wrought products — CEN (2019)
- EN 485-2 Aluminium sheet, strip and plate — mechanical properties — CEN (2018)
- International Alloy Designations and Chemical Composition Limits (Teal Sheets) — The Aluminum Association (2018)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys — ASM International (1990)
- ASM Handbook Vol. 13B — Corrosion: Materials — ASM International (2005)
- Cast aluminium tooling plate (Al-Mg cast plate) technical data — Alimex / AMAG / Aleris (2022)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.