FabDigit

7005 vs 7075 and 2 more: properties

7005707570727003

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

72 GPa10.4 Msi
71.7 GPa10.4 Msi
69 GPa10 Msi
70 GPa10.2 Msi

Shear Modulus

27 GPa3.9 Msi
26.9 GPa3.9 Msi
26 GPa3.8 Msi
26.5 GPa3.8 Msi

Bulk Modulus

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

Tensile Strength (Ultimate)

350 MPa50.8 ksi
572 MPa83 ksi
55 MPa8 ksi
360 MPa52.2 ksi

Yield Strength (0.2% offset)

295 MPa42.8 ksi
503 MPa73 ksi
21 MPa3 ksi
315 MPa45.7 ksi

Elongation at Break

12%
11%
32%
11%

Compressive Strength

300 MPa43.5 ksi
505 MPa73.2 ksi
320 MPa46.4 ksi

Shear Strength

210 MPa30.5 ksi
331 MPa48 ksi
41 MPa5.9 ksi
210 MPa30.5 ksi

Fatigue Strength (Endurance Limit)

150 MPa21.8 ksi
159 MPa23.1 ksi
30 MPa4.4 ksi
130 MPa18.9 ksi

Fracture Toughness (K_IC)

30 MPa·√m27.3 ksi·√in
27 MPa·√m24.6 ksi·√in
28 MPa·√m25.5 ksi·√in

Hardness, Brinell

94 HB
150 HB
20 HB
105 HB

Hardness, Vickers

105 HV
175 HV
112 HV

Reduction in Area

25%

Charpy V-Notch Impact (RT)

8 J5.9 ft·lbf

Hardness, Rockwell B

87 HRB

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.78 g/cm³0.1 lb/in³
2.81 g/cm³0.1 lb/in³
2.72 g/cm³0.1 lb/in³
2.78 g/cm³0.1 lb/in³

Melting Point (Solidus)

607°C1,125 °F
477°C891 °F
640°C1,184 °F
605°C1,121 °F

Liquidus Temperature

645°C1,193 °F
635°C1,175 °F
657°C1,215 °F
645°C1,193 °F

Thermal

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

Thermal Conductivity

149 W/m·K86.1 BTU/hr·ft·°F
130 W/m·K75.1 BTU/hr·ft·°F
227 W/m·K131 BTU/hr·ft·°F
150 W/m·K86.7 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
960 J/kg·K0.23 BTU/lb·°F
900 J/kg·K0.21 BTU/lb·°F
875 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.8 µm/m·K13.2 µin/in·°F
23.6 µm/m·K13.1 µin/in·°F
23.6 µm/m·K13.1 µin/in·°F
23.2 µm/m·K12.9 µin/in·°F

Latent Heat of Fusion

390 J/g168 BTU/lb
395 J/g170 BTU/lb
395 J/g170 BTU/lb
390 J/g168 BTU/lb

Max Service Temperature (continuous)

120°C248 °F
120°C248 °F
150°C302 °F
120°C248 °F

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

Electrical

Conductivity and insulation.

Electrical Conductivity

40 % IACS
33 % IACS
60 % IACS
39 % IACS

Electrical Resistivity

4.3×10⁻⁸ Ω·m1.69 µΩ·in
5.15×10⁻⁸ Ω·m2.03 µΩ·in
2.87×10⁻⁸ Ω·m1.13 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)

-0.84 V
-0.83 V
-0.96 V
-0.86 V

Corrosion Resistance

45 / 100
35 / 100
72 / 100
55 / 100

Manufacturability

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

Machinability

60 / 100
78 / 100
30 / 100
65 / 100

Machinability Rating (AISI 1212 = 100 %)

70%
160%
30%
200%

Weldability

80 / 100
18 / 100
80 / 100
75 / 100

Formability (cold)

35 / 100
25 / 100
95 / 100
35 / 100

Castability

25 / 100

Brazeability / Solderability

20 / 100
10 / 100
80 / 100
15 / 100

Polishability

55 / 100
60 / 100
45 / 100
60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

12.5 kg CO₂/kg
12.5 kg CO₂/kg
13 kg CO₂/kg
12.5 kg CO₂/kg

Typical Recycled Content

30%
15%
20%
30%

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

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

126 kN·m/kg
204 kN·m/kg
20 kN·m/kg
129 kN·m/kg

Specific Stiffness (E / density)

25.9 MN·m/kg
25.5 MN·m/kg
25.4 MN·m/kg
25.2 MN·m/kg

Modulus of Resilience

604 kJ/m³
1,764 kJ/m³
3 kJ/m³
709 kJ/m³

Thermal Diffusivity

59.6 mm²/s
48.2 mm²/s
92.7 mm²/s
61.7 mm²/s

Thermal Shock Resistance Index

30
44
8
33

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 scale7072700370057075

Manufacturing and finishing

Capability7005707570727003
CNC machiningYesYesYes
Default conditionT6
Relative cost$$ Standard$$$ Premium$ Budget$$ Standard
Min. machined wall0.5 mm0.8 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µm
DLCYesYesYes

Both are offered for Sheet metal. They share 15 finishes: Anodizing Type II, Cerakote, Chem Film (Alodine), E-Coating, Electroless Nickel (EN), Electropolishing, Epoxy Coating, Gold Plating, Hard Anodize Type III w/ PTFE, Hard Anodizing Type III, Nickel Plating, PTFE Coating and 3 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 7005 and 7075 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.