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Aluminum 6110-T4 vs 6110-T5

Aluminum · 6110 temper comparison

6110-T4 and 6110-T5 are two conditions of the same aluminum grade, 6110: T4 (solution heat treated and naturally aged) versus T5 (cooled from hot working and artificially aged). The chemistry is identical, so every difference below comes from the condition. 6110-T5 is the stronger of the two: yield strength 300 MPa (43.5 ksi) against 140 MPa (20.3 ksi) for 6110-T4, about 114% more; tensile strength follows at 340 MPa (49.3 ksi) vs 250 MPa (36.3 ksi). In exchange, 6110-T4 is the more ductile: elongation 22% versus 10% for 6110-T5, and 6110-T5 is harder (105 HB vs 70 HB). 6110-T5 runs hotter in service (150°C vs 100°C continuous) and 6110-T5 conducts heat better (165 W/m·K vs 148 W/m·K). On the shop floor, 6110-T5 machines more easily (good vs fair).

6110-T4Choose it when the part is bent, formed or impact-loaded.

6110-T5Choose it when strength drives the design, or when the part sees heat.

6110-T4 vs 6110-T5: properties

6110-T46110-T5

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

250 MPa36.3 ksi
340 MPa49.3 ksi

Yield Strength (0.2% offset)

140 MPa20.3 ksi
300 MPa43.5 ksi

Elongation at Break

22%
10%

Shear Strength

165 MPa23.9 ksi
210 MPa30.5 ksi

Fatigue Strength (Endurance Limit)

90 MPa13.1 ksi
110 MPa16 ksi

Fracture Toughness (K_IC)

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

Hardness, Brinell

70 HB
105 HB

Hardness, Vickers

125 HV
112 HV

Same in both: Elastic (Young's) Modulus 70 GPa10.2 Msi · Shear Modulus 26.4 GPa3.8 Msi · Bulk Modulus 70 GPa10.2 Msi · Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Same in both: Density 2.71 g/cm³0.1 lb/in³ · Melting Point (Solidus) 580°C1,076 °F · Liquidus Temperature 650°C1,202 °F

Thermal

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

Thermal Conductivity

148 W/m·K85.5 BTU/hr·ft·°F
165 W/m·K95.3 BTU/hr·ft·°F

Max Service Temperature (continuous)

100°C212 °F
150°C302 °F

Same in both: Specific Heat Capacity 895 J/kg·K0.21 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 23.4 µm/m·K13 µin/in·°F · Latent Heat of Fusion 395 J/g170 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

37 % IACS
42 % IACS

Electrical Resistivity

4.2×10⁻⁸ Ω·m1.65 µΩ·in
4.1×10⁻⁸ Ω·m1.61 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

58 / 100
56 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.75 V

Manufacturability

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

Machinability

50 / 100
68 / 100

Machinability Rating (AISI 1212 = 100 %)

130%
120%

Formability (cold)

72 / 100
45 / 100

Same in both: Weldability 58 / 100 · Castability 30 / 100 · Brazeability / Solderability 35 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 205 MJ/kg88,134 BTU/lb · Embodied Carbon (primary production) 12.5 kg CO₂/kg · Embodied Water 1,150 L/kg138 gal/lb · Typical Recycled Content 30%

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 scale6110

6110-T4 vs 6110-T5 — frequently asked

Is 6110-T5 stronger than 6110-T4?

Yes. 6110-T5 has a typical yield strength of 300 MPa (43.5 ksi) against 140 MPa (20.3 ksi) for 6110-T4 — about 114% more. Tensile strength is 340 MPa (49.3 ksi) vs 250 MPa (36.3 ksi).

Which condition does FabDigit quote by default, T4 or T5?

Specify the condition in the material field or the drawing note; FabDigit prices the quote for the state you call out.

Which is easier to machine, 6110-T4 or 6110-T5?

6110-T5. Its machinability rates good (68/100) against fair (50/100) for 6110-T4.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 6110-T4 and 6110-T5 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.