FabDigit

Aluminum A206.0 vs 319 vs 355 vs 356

Benchmark · 4 materials

Side-by-side benchmark of 4 aluminum grades.

A206.0 vs 319 and 2 more: properties

A206.0319355356

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

70 GPa10.2 Msi
72 GPa10.4 Msi
69 GPa10 Msi
71 GPa10.3 Msi

Tensile Strength (Ultimate)

430 MPa62.4 ksi
186 MPa27 ksi
250 MPa36.3 ksi
262 MPa38 ksi

Yield Strength (0.2% offset)

264 MPa38.3 ksi
124 MPa18 ksi
180 MPa26.1 ksi
186 MPa27 ksi

Elongation at Break

17%
2%
3%
5%

Compressive Strength

270 MPa39.2 ksi
190 MPa27.6 ksi

Shear Strength

260 MPa37.7 ksi
150 MPa21.8 ksi
195 MPa28.3 ksi
179 MPa26 ksi

Fatigue Strength (Endurance Limit)

105 MPa15.2 ksi
69 MPa10 ksi
62 MPa9 ksi
90 MPa13.1 ksi

Fracture Toughness (K_IC)

36 MPa·√m32.8 ksi·√in
19 MPa·√m17.3 ksi·√in
20 MPa·√m18.2 ksi·√in
20 MPa·√m18.2 ksi·√in

Hardness, Brinell

95 HB
70 HB
85 HB
80 HB

Hardness, Vickers

100 HV

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

2.8 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

121 W/m·K69.9 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

Specific Heat Capacity

921 J/kg·K0.22 BTU/lb·°F
963 J/kg·K0.23 BTU/lb·°F
963 J/kg·K0.23 BTU/lb·°F
963 J/kg·K0.23 BTU/lb·°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)

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

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

Electrical

Conductivity and insulation.

Electrical Conductivity

33 % IACS
27 % IACS
36 % IACS
39 % IACS

Electrical Resistivity

5.2×10⁻⁸ Ω·m2.05 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)

-0.72 V
-0.78 V
-0.78 V
-0.83 V

Corrosion Resistance

30 / 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 %)

70%
130%
60%
120%

Weldability

30 / 100
55 / 100
55 / 100
78 / 100

Formability (cold)

10 / 100
5 / 100
5 / 100
10 / 100

Castability

28 / 100
90 / 100
85 / 100
95 / 100

Brazeability / Solderability

15 / 100
25 / 100
25 / 100
30 / 100

Polishability

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

Sustainability

Primary-production footprint per kilogram.

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%

Same in both: Embodied Energy (primary production) 200 MJ/kg85,985 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

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

Specific Stiffness (E / density)

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

Modulus of Resilience

491 kJ/m³
104 kJ/m³
228 kJ/m³
239 kJ/m³

Thermal Diffusivity

46.9 mm²/s
40.6 mm²/s
57.9 mm²/s
58.7 mm²/s

Thermal Shock Resistance Index

33
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 scale319355356A206.0

Manufacturing and finishing

CapabilityA206.0319355356
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 A206.0 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.