FabDigit

2091 vs 2007 and 2 more: properties

209120072017A2030

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

75 GPa10.9 Msi
72 GPa10.4 Msi
72.5 GPa10.5 Msi
73 GPa10.6 Msi

Shear Modulus

28.5 GPa4.1 Msi
27 GPa3.9 Msi
27 GPa3.9 Msi
27 GPa3.9 Msi

Bulk Modulus

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

Poisson's Ratio

0.34
0.33
0.33
0.33

Tensile Strength (Ultimate)

450 MPa65.3 ksi
390 MPa56.6 ksi
410 MPa59.5 ksi
400 MPa58 ksi

Yield Strength (0.2% offset)

370 MPa53.7 ksi
300 MPa43.5 ksi
260 MPa37.7 ksi
285 MPa41.3 ksi

Elongation at Break

10%
10%
14%
12%

Shear Strength

265 MPa38.4 ksi
235 MPa34.1 ksi
260 MPa37.7 ksi
240 MPa34.8 ksi

Fatigue Strength (Endurance Limit)

150 MPa21.8 ksi
125 MPa18.1 ksi
125 MPa18.1 ksi
125 MPa18.1 ksi

Fracture Toughness (K_IC)

37 MPa·√m33.7 ksi·√in
27 MPa·√m24.6 ksi·√in
30 MPa·√m27.3 ksi·√in
24 MPa·√m21.8 ksi·√in

Hardness, Brinell

125 HB
115 HB
110 HB
100 HB

Hardness, Rockwell B

65 HRB
62 HRB

Compressive Strength

260 MPa37.7 ksi

Hardness, Vickers

118 HV
108 HV

Physical

Density and transition temperatures.

Density

2.58 g/cm³0.09 lb/in³
2.85 g/cm³0.1 lb/in³
2.79 g/cm³0.1 lb/in³
2.82 g/cm³0.1 lb/in³

Melting Point (Solidus)

560°C1,040 °F
508°C946 °F
512°C954 °F
510°C950 °F

Liquidus Temperature

655°C1,211 °F
640°C1,184 °F
641°C1,186 °F
640°C1,184 °F

Thermal

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

Thermal Conductivity

95 W/m·K54.9 BTU/hr·ft·°F
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

Specific Heat Capacity

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

Max Service Temperature (continuous)

120°C248 °F
120°C248 °F
120°C248 °F
100°C212 °F

Min Service Temperature

-253°C-423 °F
-196°C-321 °F
-196°C-321 °F
-196°C-321 °F

Same in both: Thermal Expansion (CTE, 20–100 °C) 23 µm/m·K12.8 µin/in·°F · Latent Heat of Fusion 390 J/g168 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

19 % IACS
30 % IACS
34 % IACS
32 % IACS

Electrical Resistivity

9.1×10⁻⁸ Ω·m3.58 µΩ·in
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

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.72 V
-0.68 V
-0.69 V
-0.69 V

Corrosion Resistance

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

Manufacturability

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

Machinability

68 / 100
95 / 100
75 / 100
92 / 100

Machinability Rating (AISI 1212 = 100 %)

55%
300%
75%
90%

Weldability

25 / 100
15 / 100
20 / 100
12 / 100

Formability (cold)

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

Brazeability / Solderability

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

Polishability

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

Castability

25 / 100
25 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

225 MJ/kg96,733 BTU/lb
200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb
205 MJ/kg88,134 BTU/lb

Embodied Carbon (primary production)

14.5 kg CO₂/kg
12.5 kg CO₂/kg
12.5 kg CO₂/kg
12.5 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

5%
30%
25%
10%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

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

Specific Stiffness (E / density)

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

Modulus of Resilience

913 kJ/m³
625 kJ/m³
466 kJ/m³
556 kJ/m³

Thermal Diffusivity

42.8 mm²/s
55.1 mm²/s
55 mm²/s
54.6 mm²/s

Thermal Shock Resistance Index

25
32
33
32

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 scale20072017A20302091

Manufacturing and finishing

Capability209120072017A2030
CNC machiningYesYesYes
Sheet metalYesYesYes
Default condition
Relative cost$$$$ High$$$ Premium$$$ Premium$$$ Premium
Min. machined wall0.5 mm0.8 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 2091 and 2007 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.