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Aluminum 5019 vs 5050

Aluminum · grade comparison

Aluminum 5019 and 5050 are both aluminum grades. 5019 is the stronger of the two: yield strength 230 MPa (33.4 ksi) against 145 MPa (21 ksi) for 5050, about 59% more; tensile strength follows at 335 MPa (48.6 ksi) vs 170 MPa (24.7 ksi). 5019 is the more ductile: elongation 13% versus 9% for 5050, and 5019 is harder (88 HB vs 46 HB). 5050 runs hotter in service (150°C vs 65°C continuous) and 5050 conducts heat better (191 W/m·K vs 113 W/m·K). On the shop floor, 5050 sits in a lower cost tier (budget, $) than 5019 (standard, $$).

5019Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

5050Choose it when the part sees heat, or when cost is the deciding factor.

5019 vs 5050: properties

50195050

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

70 GPa10.2 Msi
68.9 GPa10 Msi

Shear Modulus

26.4 GPa3.8 Msi
25.9 GPa3.8 Msi

Bulk Modulus

68 GPa9.9 Msi
75 GPa10.9 Msi

Tensile Strength (Ultimate)

335 MPa48.6 ksi
170 MPa24.7 ksi

Yield Strength (0.2% offset)

230 MPa33.4 ksi
145 MPa21 ksi

Elongation at Break

13%
9%

Shear Strength

195 MPa28.3 ksi
115 MPa16.7 ksi

Fatigue Strength (Endurance Limit)

145 MPa21 ksi
90 MPa13.1 ksi

Fracture Toughness (K_IC)

32 MPa·√m29.1 ksi·√in
—

Charpy V-Notch Impact (RT)

30 J22.1 ft·lbf
—

Hardness, Brinell

88 HB
46 HB

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.64 g/cm³0.1 lb/in³
2.69 g/cm³0.1 lb/in³

Melting Point (Solidus)

570°C1,058 °F
627°C1,161 °F

Liquidus Temperature

630°C1,166 °F
652°C1,206 °F

Thermal

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

Thermal Conductivity

113 W/m·K65.3 BTU/hr·ft·°F
191 W/m·K110 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

24.2 µm/m·K13.4 µin/in·°F
23.8 µm/m·K13.2 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

65°C149 °F
150°C302 °F

Same in both: Specific Heat Capacity 900 J/kg·K0.21 BTU/lb·°F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

28 % IACS
50 % IACS

Electrical Resistivity

6.2×10⁻⁸ Ω·m2.44 µΩ·in
3.45×10⁻⁸ Ω·m1.36 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.87 V
-0.83 V

Corrosion Resistance

78 / 100
75 / 100

Manufacturability

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

Machinability

45 / 100
40 / 100

Machinability Rating (AISI 1212 = 100 %)

35%
30%

Formability (cold)

55 / 100
80 / 100

Castability

25 / 100
—

Brazeability / Solderability

20 / 100
35 / 100

Polishability

60 / 100
70 / 100

Same in both: Weldability 85 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

12.5 kg CO₂/kg
12 kg CO₂/kg

Embodied Water

1,150 L/kg138 gal/lb
1,200 L/kg144 gal/lb

Same in both: Embodied Energy (primary production) 200 MJ/kg85,985 BTU/lb · Typical Recycled Content 35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

127 kN·m/kg
63 kN·m/kg

Specific Stiffness (E / density)

26.5 MN·m/kg
25.6 MN·m/kg

Modulus of Resilience

378 kJ/m³
153 kJ/m³

Thermal Diffusivity

47.6 mm²/s
78.9 mm²/s

Thermal Shock Resistance Index

22
20

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 scale50505019

Manufacturing and finishing

Capability50195050
Default condition——
Relative cost$$ Standard$ Budget
Min. machined wall0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µm

Both are offered for CNC machining and Sheet metal. 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.

5019 vs 5050 — frequently asked

Is 5019 stronger than 5050?

Yes. 5019 has a typical yield strength of 230 MPa (33.4 ksi) against 145 MPa (21 ksi) for 5050 — about 59% more. Tensile strength is 335 MPa (48.6 ksi) vs 170 MPa (24.7 ksi).

Which is cheaper, 5019 or 5050?

5050 is the lower-cost material: it sits in the budget tier ($) while 5019 is standard ($$). 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, 5019 or 5050?

5019, by a small margin. Both rate fair for machinability — 45/100 against 40/100 for 5050.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5019 and 5050 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.