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Aluminum EN AW-5083 Cast Plate vs QC-10

Aluminum · grade comparison

Aluminum EN AW-5083 Cast Plate and QC-10 are both aluminum grades, both mold quality al. QC-10 is the stronger of the two: yield strength 483 MPa (70.1 ksi) against 125 MPa (18.1 ksi) for EN AW-5083 Cast Plate, about 3.9 times as much; tensile strength follows at 538 MPa (78 ksi) vs 270 MPa (39.2 ksi). In exchange, EN AW-5083 Cast Plate is the more ductile: elongation 12% versus 9% for QC-10, and QC-10 is harder (165 HB vs 70 HB). EN AW-5083 Cast Plate is lighter (2.66 g/cm³ vs 2.85 g/cm³ for QC-10) and QC-10 runs hotter in service (150°C vs 65°C continuous). On the shop floor, QC-10 machines more easily (excellent vs good), EN AW-5083 Cast Plate welds better (excellent vs poor), and EN AW-5083 Cast Plate sits in a lower cost tier (standard, $$) than QC-10 (premium, $$$).

EN AW-5083 Cast PlateChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

QC-10Choose it when strength drives the design, or when the part sees heat.

EN AW-5083 Cast Plate vs QC-10: properties

EN AW-5083 Cast PlateQC-10

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

71 GPa10.3 Msi
71.5 GPa10.4 Msi

Shear Modulus

26.4 GPa3.8 Msi
26.9 GPa3.9 Msi

Bulk Modulus

69 GPa10 Msi
71 GPa10.3 Msi

Tensile Strength (Ultimate)

270 MPa39.2 ksi
538 MPa78 ksi

Yield Strength (0.2% offset)

125 MPa18.1 ksi
483 MPa70.1 ksi

Elongation at Break

12%
9%

Compressive Strength

130 MPa18.9 ksi
490 MPa71.1 ksi

Shear Strength

160 MPa23.2 ksi
305 MPa44.2 ksi

Fatigue Strength (Endurance Limit)

115 MPa16.7 ksi
220 MPa31.9 ksi

Fracture Toughness (K_IC)

28 MPa·√m25.5 ksi·√in
34 MPa·√m30.9 ksi·√in

Hardness, Brinell

70 HB
165 HB

Hardness, Rockwell B

—
87 HRB

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.66 g/cm³0.1 lb/in³
2.85 g/cm³0.1 lb/in³

Melting Point (Solidus)

574°C1,065 °F
490°C914 °F

Liquidus Temperature

638°C1,180 °F
630°C1,166 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

117 W/m·K67.6 BTU/hr·ft·°F
155 W/m·K89.6 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
860 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.8 µm/m·K13.2 µin/in·°F
23.5 µm/m·K13.1 µin/in·°F

Latent Heat of Fusion

397 J/g171 BTU/lb
390 J/g168 BTU/lb

Max Service Temperature (continuous)

65°C149 °F
150°C302 °F

Same in both: Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

29 % IACS
40 % IACS

Electrical Resistivity

5.9×10⁻⁸ Ω·m2.32 µΩ·in
4.3×10⁻⁸ Ω·m1.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.79 V
-0.84 V

Corrosion Resistance

76 / 100
45 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

62 / 100
85 / 100

Weldability

90 / 100
20 / 100

Formability (cold)

32 / 100
20 / 100

Castability

65 / 100
—

Brazeability / Solderability

15 / 100
10 / 100

Polishability

52 / 100
80 / 100

Machinability Rating (AISI 1212 = 100 %)

—
300%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

155 MJ/kg66,638 BTU/lb
205 MJ/kg88,134 BTU/lb

Embodied Carbon (primary production)

9.5 kg CO₂/kg
12.5 kg CO₂/kg

Typical Recycled Content

40%
20%

Same in both: Embodied Water 1,200 L/kg144 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

102 kN·m/kg
189 kN·m/kg

Specific Stiffness (E / density)

26.7 MN·m/kg
25.1 MN·m/kg

Modulus of Resilience

110 kJ/m³
1,631 kJ/m³

Thermal Diffusivity

48.9 mm²/s
63.2 mm²/s

Thermal Shock Resistance Index

19
50

Strength versus weight

Yield strength against density for every aluminum grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

20501002005002.22.42.62.83Density (g/cm³)Yield strength (MPa) — log scaleEN AW-5083 Cast PlateQC-10

Manufacturing and finishing

CapabilityEN AW-5083 Cast PlateQC-10
Default condition——
Relative cost$$ Standard$$$ Premium
Min. machined wall1 mm0.5 mm
Best machined surfaceRa 1.6 µmRa 0.8 µm

Both are offered for CNC machining. Both take the same 16 finishes: Anodizing Type II, Cerakote, Chem Film (Alodine), DLC, E-Coating, Electroless Nickel (EN), Electropolishing, Epoxy Coating, Gold Plating, Hard Anodize Type III w/ PTFE, Hard Anodizing Type III, Nickel Plating and 4 more.

EN AW-5083 Cast Plate vs QC-10 — frequently asked

Is QC-10 stronger than EN AW-5083 Cast Plate?

Yes. QC-10 has a typical yield strength of 483 MPa (70.1 ksi) against 125 MPa (18.1 ksi) for EN AW-5083 Cast Plate — about 3.9 times as much. Tensile strength is 538 MPa (78 ksi) vs 270 MPa (39.2 ksi).

Which is cheaper, EN AW-5083 Cast Plate or QC-10?

EN AW-5083 Cast Plate is the lower-cost material: it sits in the standard tier ($$) while QC-10 is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, EN AW-5083 Cast Plate or QC-10?

QC-10. Its machinability rates excellent (85/100) against good (62/100) for EN AW-5083 Cast Plate; for welding the order is EN AW-5083 Cast Plate first (excellent, 90/100) then QC-10 (poor, 20/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in EN AW-5083 Cast Plate and QC-10 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.