FabDigit

ZL205A vs ZL102 and 2 more: properties

ZL205AZL102ZL301ZL106

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

70 GPa10.2 Msi
71 GPa10.3 Msi
68 GPa9.9 Msi
71 GPa10.3 Msi

Shear Modulus

26.5 GPa3.8 Msi
26.5 GPa3.8 Msi
25.5 GPa3.7 Msi
26.5 GPa3.8 Msi

Bulk Modulus

70 GPa10.2 Msi
70 GPa10.2 Msi
66 GPa9.6 Msi
70 GPa10.2 Msi

Tensile Strength (Ultimate)

460 MPa66.7 ksi
170 MPa24.7 ksi
160 MPa23.2 ksi
275 MPa39.9 ksi

Yield Strength (0.2% offset)

320 MPa46.4 ksi
80 MPa11.6 ksi
110 MPa16 ksi
210 MPa30.5 ksi

Elongation at Break

9%
5%
3%
1.5%

Compressive Strength

330 MPa47.9 ksi
165 MPa23.9 ksi
280 MPa40.6 ksi

Shear Strength

275 MPa39.9 ksi
120 MPa17.4 ksi
110 MPa16 ksi
200 MPa29 ksi

Fatigue Strength (Endurance Limit)

105 MPa15.2 ksi
70 MPa10.2 ksi
45 MPa6.5 ksi
85 MPa12.3 ksi

Fracture Toughness (K_IC)

27 MPa·√m24.6 ksi·√in
17 MPa·√m15.5 ksi·√in
18 MPa·√m16.4 ksi·√in

Charpy V-Notch Impact (RT)

12 J8.9 ft·lbf
4 J3 ft·lbf
4 J3 ft·lbf
4 J3 ft·lbf

Hardness, Brinell

105 HB
55 HB
55 HB
90 HB

Hardness, Vickers

112 HV
60 HV
95 HV

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.82 g/cm³0.1 lb/in³
2.65 g/cm³0.1 lb/in³
2.57 g/cm³0.09 lb/in³
2.73 g/cm³0.1 lb/in³

Melting Point (Solidus)

545°C1,013 °F
574°C1,065 °F
450°C842 °F
550°C1,022 °F

Liquidus Temperature

650°C1,202 °F
582°C1,080 °F
600°C1,112 °F
610°C1,130 °F

Thermal

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

Thermal Conductivity

150 W/m·K86.7 BTU/hr·ft·°F
145 W/m·K83.8 BTU/hr·ft·°F
100 W/m·K57.8 BTU/hr·ft·°F
140 W/m·K80.9 BTU/hr·ft·°F

Specific Heat Capacity

880 J/kg·K0.21 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
20.5 µm/m·K11.4 µin/in·°F
25.2 µm/m·K14 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
380 J/g163 BTU/lb
389 J/g167 BTU/lb

Max Service Temperature (continuous)

175°C347 °F
150°C302 °F
100°C212 °F
200°C392 °F

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

Electrical

Conductivity and insulation.

Electrical Conductivity

33 % IACS
31 % IACS
24 % IACS
32 % IACS

Electrical Resistivity

5.2×10⁻⁸ Ω·m2.05 µΩ·in
5.6×10⁻⁸ Ω·m2.2 µΩ·in
8.2×10⁻⁸ Ω·m3.23 µΩ·in
5.4×10⁻⁸ Ω·m2.13 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.73 V
-0.83 V
-0.87 V
-0.78 V

Corrosion Resistance

30 / 100
60 / 100
62 / 100
42 / 100

Manufacturability

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

Machinability

75 / 100
45 / 100
78 / 100
58 / 100

Machinability Rating (AISI 1212 = 100 %)

150%
40%
300%
65%

Weldability

45 / 100
75 / 100
45 / 100
42 / 100

Formability (cold)

10 / 100
10 / 100
10 / 100
8 / 100

Castability

40 / 100
98 / 100
30 / 100
85 / 100

Brazeability / Solderability

25 / 100
45 / 100
10 / 100
30 / 100

Polishability

55 / 100
40 / 100
75 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb
195 MJ/kg83,835 BTU/lb
200 MJ/kg85,985 BTU/lb

Embodied Carbon (primary production)

12.5 kg CO₂/kg
11.5 kg CO₂/kg
13.5 kg CO₂/kg
12.5 kg CO₂/kg

Embodied Water

1,150 L/kg138 gal/lb
1,150 L/kg138 gal/lb
1,150 L/kg138 gal/lb
1,100 L/kg132 gal/lb

Typical Recycled Content

10%
70%
15%
60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

163 kN·m/kg
64 kN·m/kg
62 kN·m/kg
101 kN·m/kg

Specific Stiffness (E / density)

24.8 MN·m/kg
26.8 MN·m/kg
26.5 MN·m/kg
26 MN·m/kg

Modulus of Resilience

731 kJ/m³
45 kJ/m³
89 kJ/m³
311 kJ/m³

Thermal Diffusivity

60.4 mm²/s
56.8 mm²/s
40.4 mm²/s
53.3 mm²/s

Thermal Shock Resistance Index

44
17
9
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 scaleZL102ZL205AZL301ZL106

Manufacturing and finishing

CapabilityZL205AZL102ZL301ZL106
CNC machiningYesYesYes
Default conditionT5FF
Relative cost$$$$ High$ Budget$$ Standard$$ Standard
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 ZL205A and ZL102 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.