FabDigit

2007 vs 2017A and 2 more: properties

20072017A20302218

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

72 GPa10.4 Msi
72.5 GPa10.5 Msi
73 GPa10.6 Msi
74 GPa10.7 Msi

Shear Modulus

27 GPa3.9 Msi
27 GPa3.9 Msi
27 GPa3.9 Msi
28 GPa4.1 Msi

Bulk Modulus

71 GPa10.3 Msi
75 GPa10.9 Msi
71 GPa10.3 Msi
76 GPa11 Msi

Tensile Strength (Ultimate)

390 MPa56.6 ksi
410 MPa59.5 ksi
400 MPa58 ksi
405 MPa58.7 ksi

Yield Strength (0.2% offset)

300 MPa43.5 ksi
260 MPa37.7 ksi
285 MPa41.3 ksi
305 MPa44.2 ksi

Elongation at Break

10%
14%
12%
11%

Shear Strength

235 MPa34.1 ksi
260 MPa37.7 ksi
240 MPa34.8 ksi
255 MPa37 ksi

Fatigue Strength (Endurance Limit)

125 MPa18.1 ksi
125 MPa18.1 ksi
125 MPa18.1 ksi
105 MPa15.2 ksi

Fracture Toughness (K_IC)

27 MPa·√m24.6 ksi·√in
30 MPa·√m27.3 ksi·√in
24 MPa·√m21.8 ksi·√in

Hardness, Brinell

115 HB
110 HB
100 HB
115 HB

Hardness, Rockwell B

65 HRB
62 HRB

Compressive Strength

260 MPa37.7 ksi
310 MPa45 ksi

Hardness, Vickers

118 HV
108 HV

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.85 g/cm³0.1 lb/in³
2.79 g/cm³0.1 lb/in³
2.82 g/cm³0.1 lb/in³
2.81 g/cm³0.1 lb/in³

Melting Point (Solidus)

508°C946 °F
512°C954 °F
510°C950 °F
505°C941 °F

Liquidus Temperature

640°C1,184 °F
641°C1,186 °F
640°C1,184 °F
635°C1,175 °F

Thermal

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

Thermal Conductivity

135 W/m·K78 BTU/hr·ft·°F
134 W/m·K77.4 BTU/hr·ft·°F
134 W/m·K77.4 BTU/hr·ft·°F
147 W/m·K84.9 BTU/hr·ft·°F

Specific Heat Capacity

860 J/kg·K0.21 BTU/lb·°F
873 J/kg·K0.21 BTU/lb·°F
870 J/kg·K0.21 BTU/lb·°F
865 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23 µm/m·K12.8 µin/in·°F
23 µm/m·K12.8 µin/in·°F
23 µm/m·K12.8 µin/in·°F
22.4 µm/m·K12.4 µin/in·°F

Max Service Temperature (continuous)

120°C248 °F
120°C248 °F
100°C212 °F
200°C392 °F

Same in both: Latent Heat of Fusion 390 J/g168 BTU/lb · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

30 % IACS
34 % IACS
32 % IACS
38 % IACS

Electrical Resistivity

5.75×10⁻⁸ Ω·m2.26 µΩ·in
5.07×10⁻⁸ Ω·m2 µΩ·in
5.4×10⁻⁸ Ω·m2.13 µΩ·in
4.5×10⁻⁸ Ω·m1.77 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.68 V
-0.69 V
-0.69 V
-0.66 V

Corrosion Resistance

30 / 100
35 / 100
30 / 100
33 / 100

Manufacturability

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

Machinability

95 / 100
75 / 100
92 / 100
72 / 100

Machinability Rating (AISI 1212 = 100 %)

300%
75%
90%

Weldability

15 / 100
20 / 100
12 / 100
22 / 100

Formability (cold)

25 / 100
45 / 100
35 / 100
28 / 100

Castability

25 / 100
25 / 100

Brazeability / Solderability

15 / 100
15 / 100
10 / 100
18 / 100

Polishability

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

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Water

1,150 L/kg138 gal/lb
1,100 L/kg132 gal/lb
1,200 L/kg144 gal/lb
1,150 L/kg138 gal/lb

Typical Recycled Content

30%
25%
10%
20%

Same in both: Embodied Carbon (primary production) 12.5 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

137 kN·m/kg
147 kN·m/kg
142 kN·m/kg
144 kN·m/kg

Specific Stiffness (E / density)

25.3 MN·m/kg
26 MN·m/kg
25.9 MN·m/kg
26.3 MN·m/kg

Modulus of Resilience

625 kJ/m³
466 kJ/m³
556 kJ/m³
629 kJ/m³

Thermal Diffusivity

55.1 mm²/s
55 mm²/s
54.6 mm²/s
60.5 mm²/s

Thermal Shock Resistance Index

32
33
32
36

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 scale20072017A20302218

Manufacturing and finishing

Capability20072017A20302218
Default condition
Relative cost$$$ Premium$$$ Premium$$$ Premium$$$ Premium
Min. machined wall0.5 mm0.8 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 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.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 2007 and 2017A 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.