FabDigit

Aluminum 224.0 vs 319 vs 355 vs 356

Benchmark · 4 materials

Side-by-side benchmark of 4 aluminum grades.

224.0 vs 319 and 2 more: properties

224.0319355356

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

71 GPa10.3 Msi
74 GPa10.7 Msi
71 GPa10.3 Msi
72.4 GPa10.5 Msi

Shear Modulus

26.5 GPa3.8 Msi
27.5 GPa4 Msi
26.5 GPa3.8 Msi
27 GPa3.9 Msi

Bulk Modulus

72 GPa10.4 Msi
72 GPa10.4 Msi
69 GPa10 Msi
71 GPa10.3 Msi

Tensile Strength (Ultimate)

380 MPa55.1 ksi
186 MPa27 ksi
250 MPa36.3 ksi
262 MPa38 ksi

Yield Strength (0.2% offset)

275 MPa39.9 ksi
124 MPa18 ksi
180 MPa26.1 ksi
186 MPa27 ksi

Elongation at Break

10%
2%
3%
5%

Compressive Strength

280 MPa40.6 ksi
190 MPa27.6 ksi

Shear Strength

240 MPa34.8 ksi
150 MPa21.8 ksi
195 MPa28.3 ksi
179 MPa26 ksi

Fatigue Strength (Endurance Limit)

90 MPa13.1 ksi
69 MPa10 ksi
62 MPa9 ksi
90 MPa13.1 ksi

Fracture Toughness (K_IC)

28 MPa·√m25.5 ksi·√in
19 MPa·√m17.3 ksi·√in
20 MPa·√m18.2 ksi·√in
20 MPa·√m18.2 ksi·√in

Hardness, Brinell

123 HB
70 HB
85 HB
80 HB

Charpy V-Notch Impact (RT)

4 J3 ft·lbf
5 J3.7 ft·lbf

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.81 g/cm³0.1 lb/in³
2.79 g/cm³0.1 lb/in³
2.71 g/cm³0.1 lb/in³
2.67 g/cm³0.1 lb/in³

Melting Point (Solidus)

570°C1,058 °F
521°C970 °F
546°C1,015 °F
557°C1,035 °F

Liquidus Temperature

650°C1,202 °F
604°C1,119 °F
621°C1,150 °F
613°C1,135 °F

Thermal

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

Thermal Conductivity

130 W/m·K75.1 BTU/hr·ft·°F
109 W/m·K63 BTU/hr·ft·°F
151 W/m·K87.2 BTU/hr·ft·°F
151 W/m·K87.2 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

22.5 µm/m·K12.5 µin/in·°F
21.5 µm/m·K11.9 µin/in·°F
22.4 µm/m·K12.4 µin/in·°F
21.5 µm/m·K11.9 µin/in·°F

Latent Heat of Fusion

390 J/g168 BTU/lb
389 J/g167 BTU/lb
389 J/g167 BTU/lb
389 J/g167 BTU/lb

Max Service Temperature (continuous)

175°C347 °F
200°C392 °F
175°C347 °F
150°C302 °F

Same in both: Specific Heat Capacity 963 J/kg·K0.23 BTU/lb·°F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

38 % IACS
27 % IACS
36 % IACS
39 % IACS

Electrical Resistivity

4.5×10⁻⁸ Ω·m1.77 µΩ·in
6.4×10⁻⁸ Ω·m2.52 µΩ·in
4.8×10⁻⁸ Ω·m1.89 µΩ·in
4.4×10⁻⁸ Ω·m1.73 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.68 V
-0.78 V
-0.78 V
-0.83 V

Corrosion Resistance

35 / 100
35 / 100
45 / 100
62 / 100

Manufacturability

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

Machinability

78 / 100
72 / 100
62 / 100
70 / 100

Machinability Rating (AISI 1212 = 100 %)

150%
130%
60%
120%

Weldability

25 / 100
55 / 100
55 / 100
78 / 100

Castability

35 / 100
90 / 100
85 / 100
95 / 100

Brazeability / Solderability

20 / 100
25 / 100
25 / 100
30 / 100

Polishability

60 / 100
40 / 100
45 / 100
45 / 100

Formability (cold)

5 / 100
5 / 100
10 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

205 MJ/kg88,134 BTU/lb
200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb

Embodied Carbon (primary production)

12.5 kg CO₂/kg
12 kg CO₂/kg
12 kg CO₂/kg
12.5 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb
1,100 L/kg132 gal/lb
1,200 L/kg144 gal/lb

Typical Recycled Content

15%
75%
80%
60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

135 kN·m/kg
67 kN·m/kg
92 kN·m/kg
98 kN·m/kg

Specific Stiffness (E / density)

25.3 MN·m/kg
26.5 MN·m/kg
26.2 MN·m/kg
27.1 MN·m/kg

Modulus of Resilience

533 kJ/m³
104 kJ/m³
228 kJ/m³
239 kJ/m³

Thermal Diffusivity

48 mm²/s
40.6 mm²/s
57.9 mm²/s
58.7 mm²/s

Thermal Shock Resistance Index

31
13
24
25

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 scale319355356224.0

Manufacturing and finishing

Capability224.0319355356
CNC machiningYesYesYes
Default condition
Relative cost$$$ Premium$ Budget$ Budget$ Budget
Min. machined wall0.5 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µm
Anodizing Type IIYesYesYes
CerakoteYesYesYes
Chem Film (Alodine)YesYesYes
DLCYesYesYes
E-CoatingYesYesYes
ElectropolishingYesYesYes
Hard Anodize Type III w/ PTFEYesYesYes
Hard Anodizing Type IIIYesYesYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes
Powder CoatingYesYesYes

They share 4 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Silver Plating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 224.0 and 319 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.